Fiverr Pro · Top Rated · 400+ five-star reviews

We build production-grade
Apps Script web apps that
run real businesses.

Multi-marketplace dashboards, custom CRMs, inventory systems and full SaaS platforms — engineered on Google Sheets & Apps Script with deep integrations across Amazon, Shopify, TikTok Shop, Etsy, Walmart & eBay.

400+
5-star reviews
5.0
Avg rating
1hr
Avg response
7+
Years on Fiverr
app.client-dashboard.com / live-sales
Live Sales
Dashboard
Orders
Inventory
Live Sessions
Users
Settings
Today's Sales
$12,847
▲ 24.3%
Orders
347
▲ 12.1%
Live Viewers
1,284
▲ 47.8%
Avg Order
$37
▼ 2.4%
— Trusted integrations
Google Apps Script/ Shopify/ Amazon SP-API/ TikTok Shop/ Etsy API v3/ Walmart Marketplace/ eBay/ Whatnot/ Fanatics/ Square/ Stripe/ Housecall Pro/ AirCall/ Julius AI/ OpenAI/ Google Apps Script/ Shopify/ Amazon SP-API/ TikTok Shop/ Etsy API v3/ Walmart Marketplace/ eBay/ Whatnot/ Fanatics/ Square/ Stripe/ Housecall Pro/ AirCall/ Julius AI/ OpenAI/
— What we build

Four service lines.
All powered by Apps Script & Sheets.

— Selected work

Real systems running
real businesses.

Anonymized highlights from 400+ delivered projects across e-commerce, trading cards, contracting, print & field services.

live-sales · NCS
$12.8K
347
LIVE · 1,284 viewers
Live · Trading Cards 2026

Live Sales Dashboard v2

Neighborhood Card Shop — Multi-platform live selling system

A comprehensive GAS web app integrating TikTok Live (Sports + TCG), Whatnot, Fanatics & Shopify. Multi-role access, session tracking, order routing, shipping queues, and unified reporting across all live-selling channels.

Apps ScriptShopify Bulk APITikTok WebhooksMulti-tenant
4Platforms unified
99.9%Uptime
8wkBuild time
View on Fiverr
/adsApi/v1/
NA
EU
Amazon SaaS 2026

Amazon Ads & SP-API Platform

Multi-user SaaS · NA + EU regions

Unified Ads API v2 reporting (/adsApi/v1/), separate refresh tokens per region, dark/light theming, animated 5-step preloader.

SP-APIAds API v2Multi-region
2Regions (NA + EU)
26Report fields
5Multi-user tier
View on Fiverr
SMS CALL JOB
Field Services 2025

Knightly Automation Suite

7-module electrical-services platform

Housecall Pro + AirCall + Calendar + OneStep GPS unified into Sheets. SMS triggers, video-call workflows, dispute routing.

HCP APIAirCallCalendar API
7Modules
4APIs integrated
~70%Manual work cut
View on Fiverr
PO query
FBA Workflow 2026

Kusta Inc PO Manager

PO + Amazon FBA + ASIN tracking

Full PO management with Amazon FBA shipment integration, ASIN performance tracking and a streamed Julius AI chat with markdown-table rendering.

Amazon FBAJulius AIStreaming
FBANative sync
AIStreaming chat
100sASINs tracked
View on Fiverr
$2,485.00
Print Shop 2026

JPM v4 — Job Manager

Junction Print · Production tracking

Dual-quantity bundles, VAT pipeline, Square API, PDF estimates with logo, email-as-attachment delivery via Gmail.

Square APIPDF GenVAT Logic
v4Major iteration
PDFAuto-generated
VATCompliant
View on Fiverr
Contracting 2026

BidMate — Painting Estimator

Wizard form · Lead capture · PDF quotes

Dynamic conditional logic, per-floor question repeats, Interior/Exterior routing, Assumptions-driven calculation engine.

Wizard UICalc EnginePrint-to-PDF
Per-floorDynamic logic
LeadCapture flow
PDFQuote export
View on Fiverr
— App design gallery

Beautifully designed,
built for production.

Every interface we ship is custom-designed for the workflow it supports. Here are eight common patterns we deliver — each adaptable to your brand and data.

admin · dashboard

Admin Dashboard

Multi-role, KPI-driven control panel with real-time data visualization.

inventory · sync

Inventory Manager

Multi-store stock sync with Shopify, Amazon & eBay — color-coded availability.

orders · CRM

Order CRM & Kanban

Drag-and-drop pipeline for orders, tickets, or deals — synced to Sheets.

reports · analytics

Reports & Analytics

Scheduled PDF/email reports with charts, breakdowns, and exportable data.

quote · wizard

Multi-step Wizard

Conditional logic, dynamic fields, calculation engines & PDF quote output.

app · sign in

Auth & Multi-Role

PIN-hash + session tokens; admin / manager / staff / viewer roles supported.

live · session
LIVE

Live Selling Dashboard

Real-time order capture from TikTok Live, Whatnot & Fanatics into one queue.

AI · insights

AI Chat & Insights

Streaming AI responses (OpenAI, Julius AI) with markdown tables piped to Sheets.

All designs custom-tailored to your brand colors, typography & data structure. Discuss your project →

— How we work

A repeatable,
delivery-focused process.

01

Discovery

30-min scoping call. We map your sheets, APIs, user roles & output formats. You receive a written scope & fixed quote.

02

Architecture

We design the Sheets schema, named ranges, modular GAS files (Index.html, CSS.html, service .gs) and confirm before coding.

03

Build & iterate

Module-by-module delivery so you can test early. Daily updates. Async-friendly across timezones — <1hr response time.

04

Handover

Setup guide, video walkthrough, named-range docs, and 14 days of post-launch support included on every project.

— Client voices

What buyers say
on Fiverr.

★★★★★
Absolute rockstar. Delivered a complete multi-store inventory system and stayed available through every revision.
N
Verified Fiverr buyer
Trading cards retail
★★★★★
Unbelievably good. He understood the Amazon SP-API requirements better than our previous developer and shipped in half the time.
A
Verified Fiverr buyer
Amazon seller
★★★★★
Insanely quick turnaround. We've come back for four more projects. He's our go-to for anything Sheets & Apps Script.
J
Verified Fiverr buyer
Print shop
— Transparent pricing

Fixed-price packages.
No surprises, no hourly traps.

Starter
$375
Single integration · 3–14 days
  • One API connection or automation
  • Sheets data architecture
  • Custom menu & triggers
  • Setup documentation
  • 14-day post-launch support
Get started
Enterprise SaaS
$3,500+
Multi-module platform · 4–8 weeks
  • Multi-module SaaS architecture
  • Multi-marketplace integrations
  • Webhook handlers + queues
  • Streaming AI integrations
  • Comprehensive admin panel
  • 60-day post-launch support
Discuss scope

All projects also available through our Fiverr Pro or Top Rated Fiverr profiles with full buyer protection.

— Questions

Frequently asked.

The fundamentals

Why Google Apps Script and Sheets instead of a "real" web framework?

Apps Script gives small & mid-sized businesses an enterprise-grade backend without server costs. It scales to thousands of users on Google's infrastructure, integrates natively with Sheets/Drive/Gmail/Calendar, and your team can read & edit data directly. We've built systems handling six-figure monthly revenue on this stack — it's not a toy.

Do I need to pay for hosting or a domain?

No. This is one of the biggest reasons clients choose Apps Script over traditional web frameworks. Your application runs natively on Google's infrastructure with zero hosting fees and no domain required — Google provides a unique public URL automatically (e.g. script.google.com/macros/s/AKfy.../exec). If you want a branded URL, you can optionally point your own domain or set up a free iframe on your existing website. No AWS, no Heroku, no DigitalOcean, no monthly server bills, ever.

Are there any monthly subscriptions or recurring costs?

For most projects, none. Apps Script is included free with any Google account (personal Gmail or Google Workspace). The only situations where recurring fees may apply: (1) you choose to use third-party paid APIs (e.g. Twilio SMS, OpenAI, premium shipping APIs) — those are billed by the provider, not by us; (2) you upgrade to Google Workspace Business for higher quotas (~$6/user/month) — only needed for very high-volume workflows. Otherwise: pay once for development, run forever.

How does a Google Sheets-based web app actually work?

The Sheet acts as your database. Apps Script reads and writes to it like any database, while a custom HTML/CSS/JS frontend (deployed via HtmlService) gives users a polished web interface — they never see the raw Sheet. Your team, however, can open the Sheet directly to inspect data, fix mistakes, run reports, or export to Excel. It's the best of both worlds: a real web app for end users, a familiar spreadsheet for your operations team.

Can multiple users use the app at the same time?

Yes — Apps Script runs on Google's infrastructure and handles concurrent users natively. Every user gets their own session, and we use LockService to prevent race conditions when multiple people write to the same row simultaneously. Real production examples we've shipped: 10–50 concurrent users in trading-card live-selling dashboards, multi-tenant SaaS platforms with thousands of registered users, and webhook handlers processing hundreds of events per minute.

What if I already have a Google Sheet I want automated?

Perfect — that's our most common starting point. Share the sheet (read-only access is fine), describe the workflow you want, and we'll quote against the existing structure. We almost never rebuild from scratch unless the schema is unworkable.

Is this right for my business?

What types of businesses do you typically work with?

Across 400+ delivered projects, our clients fall into a few clear categories: e-commerce sellers (Shopify, Amazon, eBay, Etsy, multi-marketplace operators); trading-card & collectibles retailers running TikTok Live, Whatnot, and Fanatics sessions; field-service companies like electrical contractors, plumbers, painters, HVAC techs; print & production shops; property & homestay operators; professional services like agencies, consultancies, accounting firms; and startups & SMBs that need internal tools without paying for full SaaS subscriptions. If your business runs on spreadsheets, emails, and APIs — we can probably help.

What size of business is this best suited for?

The sweet spot is 1–500 person businesses — from solo founders running a Shopify store to mid-sized companies with 50+ employees who need internal operations tools. We've delivered for sole proprietors managing $10K/month revenue and for established companies handling six-figure monthly revenue across multiple stores. Apps Script's quotas (thousands of concurrent users, millions of Sheet rows) cover the vast majority of SMB needs without ever hitting a ceiling. Larger enterprises (500+ users, multi-region compliance, custom SSO) are sometimes better served by traditional SaaS platforms — we'll tell you honestly during the discovery call.

What kinds of workflows are a good fit for Apps Script automation?

Excellent fits include: repetitive data entry (orders, leads, inventory updates) where a script can replace 30+ minutes of manual work per day; multi-system reconciliation (Shopify orders vs Amazon orders vs accounting); scheduled reporting (daily/weekly/monthly KPI emails to stakeholders); approval workflows with email/Slack notifications and status pipelines; quote & invoice generation from Sheet rows to branded PDF; cross-platform inventory sync; customer onboarding sequences; and any process that currently lives in 3+ different tools and tabs — we unify them into one Sheets-backed interface.

How do I know if my workflow is too complex for Apps Script?

A few honest red flags where we'd recommend alternatives: workflows requiring sub-100ms response times (real-time gaming, high-frequency trading); millions of concurrent users on a public consumer product; strict regulatory compliance requiring data to stay outside Google's infrastructure (some healthcare, defense, financial sectors); workflows generating 10M+ API calls per day; or real-time video/audio processing. For everything else — including B2B SaaS, internal tools, ops dashboards, marketplace automation, CRMs, scheduling, and reporting — Apps Script is genuinely a great fit. The discovery call is free; we'll be straight with you about what works.

I'm not technical — can my team actually maintain this after handover?

Yes — that's a deliberate design choice. Configurable values (sheet names, API keys, role permissions, calculation rules, email templates) live in a dedicated ⚙️ Settings tab with Named Ranges, so your team can adjust them like editing any other spreadsheet. Adding new staff users, changing pricing, updating email copy, or modifying calculation rules typically requires zero code changes. We also include a setup guide and video walkthrough at handover so a non-technical operations manager can confidently take over.

What we can build

Can you build a SaaS-style platform with multiple paying customers?

Yes. We build multi-tenant SaaS platforms on Apps Script regularly. Each tenant gets isolated data (typically via per-tenant sheets, prefixed sheet names, or tenant-ID-scoped queries), shared code, and role-based access. For billing, we typically integrate with Stripe (subscriptions, one-off charges, customer portal) or Razorpay for India-based clients. Customer onboarding, plan upgrades, payment failure handling, and trial expirations are all standard features.

Can you build a custom dashboard with charts, KPIs, and reports?

Yes — dashboards are one of our most-requested deliverables. We build custom real-time dashboards with KPI cards, line charts, bar charts, donut charts, sparklines, dependent dropdown filters, date-range pickers, role-aware visibility (executive vs manager vs operations views), and scheduled email/PDF report exports. Charts can use Google Charts API, Chart.js, or custom SVG depending on your needs.

Can you build user login with multiple roles (admin, staff, viewer)?

Yes. We build multi-role authentication systems with login screens, PIN-hash credentials (or Google OAuth), session tokens, and role-based access control. Typical roles we support: Admin (full system access, user management), Manager (team-level dashboards & reports), Staff (day-to-day operations), Viewer (read-only access). User permissions can be configured by your admin via a Sheet — no code changes needed when you add new staff.

Can you build a calculator / quote / estimator tool?

Yes — we've built painting estimators, insurance quote calculators, real-estate ROI tools, freight calculators, fitness program builders, and more. These typically combine: a wizard-style form with conditional logic (questions branch based on previous answers), a calculation engine driven by Assumptions tab values your team can edit, instant in-page result display, branded PDF output, lead capture (saves to Sheet + email notification), and optional email delivery to the customer.

Can you build forms with file uploads, conditional fields, and validation?

Yes. Custom web forms with: multi-step wizards, conditional field visibility (show/hide based on previous answers), file uploads (saved to Drive with auto-organization), real-time validation (email format, phone number, date ranges, required-if-other-field-selected), CAPTCHA / honeypot anti-spam, and post-submit actions (email confirmation, Slack notification, Sheet write, webhook to other systems).

Can you build a CRM with order pipelines and customer management?

Yes — custom CRMs are a frequent request. We build kanban-style pipelines with drag-and-drop status changes, customer detail views, communication history (email + WhatsApp + SMS log), activity feeds, lead scoring, deal value tracking, and sales-rep assignment rules. Everything syncs to Google Sheets so your team can run reports, exports, or pivot tables without touching the app.

Can you build invoice / quote / contract generators with PDF output?

Yes. We build branded PDF generators with your logo, custom fonts, dynamic line items, tax calculations (VAT/GST/CGST/SGST/IGST/sales tax), multi-currency support, and digital signature fields. PDFs can be auto-saved to Drive, attached to Gmail and emailed to the client, sent via webhook to e-signature platforms (DocuSign, Dropbox Sign), or printed directly from the browser.

Can you connect to APIs that aren't in your stack list?

Almost always yes. If the API has REST or GraphQL endpoints and reasonable docs, we can integrate it. We've worked with 50+ APIs across e-commerce, payments, CRM, telephony, AI, scheduling, fulfillment and more. Send us the API documentation link in your project brief and we'll confirm fit before quoting.

Benefits & ROI

What's the ROI compared to subscription SaaS tools?

Most clients break even within 3–6 months. A typical example: replacing a $150/user/month CRM for a 10-person team ($18,000/year recurring) with a custom Apps Script CRM costing $2,500 once. Year one savings: ~$15,500. Year two onward: full $18,000/year saved. Beyond the dollar savings, you get a tool that exactly fits your workflow instead of one your team has to bend around. This is the core reason e-commerce sellers, agencies, and service businesses choose us over Salesforce / HubSpot / Monday / Airtable subscriptions.

What are the benefits of Google Sheets as a database vs traditional databases?

Major advantages for SMBs: your team can read & edit data directly without waiting for a developer; real-time collaboration with comments, suggestions, and version history built-in; instant exports to Excel, CSV, or PDF; powerful built-in functions (QUERY, ARRAYFORMULA, IMPORTRANGE) that replace hundreds of lines of backend code; zero database administration (no backups to manage, no schema migrations, no server maintenance); and familiar tooling — your accountant, ops manager, and marketing lead already know how to use it. The trade-off is raw performance — Sheets handles up to ~10 million cells gracefully, which covers most SMB use cases for years.

What are the benefits of Google Apps Script over a custom Node.js / React app?

For SMB operations and internal tools, Apps Script wins on multiple fronts: zero hosting fees (vs ~$50–500/month on AWS/Heroku); instant deployment (no Docker, CI/CD, or DevOps); built-in Google authentication (no Auth0 subscription); native Google Workspace integration (Drive, Gmail, Calendar, Docs without extra API setup); 5–10× faster development time for typical business apps; no maintenance burden (no security patches, dependency updates, or runtime upgrades). The trade-off: you give up some flexibility for things like real-time websockets or sub-50ms latency — rarely a concern for business operations.

What are the benefits of API integration vs manual data entry?

The math is dramatic. A typical multi-marketplace seller spends 2–4 hours daily manually copying order data from Shopify, Amazon, eBay, and TikTok Shop into a master spreadsheet. At ₹500/hour or $25/hour for a junior employee, that's $650–$1,300/month in labor. A one-time API integration project typically costs $750–$1,500 — meaning payback in under 2 months, after which you save that labor cost forever. Plus: zero data-entry errors, real-time updates instead of next-day, and your operations manager freed up for strategic work instead of copy-paste.

What are the benefits of automation for a small/medium business?

Beyond the obvious time savings, automation compounds in ways that matter for SMBs: scalability without hiring (handle 10× more orders without 10× more staff); consistency (the script does it the same way every time, no human variation); better data for decisions (real-time dashboards instead of weekly manual reports); faster customer response times (instant order confirmations, automated follow-ups, scheduled email sequences); reduced burnout (your team focuses on creative/strategic work, not tedium); and institutional knowledge in code — when an employee leaves, the workflow doesn't leave with them.

How quickly can I expect to see results after deployment?

Time-to-value depends on the project type. Day 1: Sheets automations and PDF generators start saving hours immediately. Week 1: Multi-marketplace dashboards typically cut daily ops time by 50–80%. Month 1: Full SaaS platforms reach steady-state with team adoption, retraining mostly complete. Month 3: ROI is clearly visible in saved labor hours, fewer errors, faster customer responses. Month 6+: Most clients come back to add Phase 2 features as they spot more opportunities to automate. We've never had a client tell us the system didn't pay for itself.

Cost & engagement

How much does a custom Apps Script web app cost?

Pricing is fixed-price (not hourly) so there are no surprises. Typical ranges:

  • Sheets automation / single-feature script — from $100 (1–7 days)
  • Single API integration — from $375 (3–14 days)
  • Custom Apps Script web app — from $1,500 (2–4 weeks)
  • Multi-marketplace / multi-module SaaS platform — from $3,500 (4–8 weeks)

Final quote depends on scope — we send a written scope and fixed quote within 48 hours of your initial brief.

How do new clients typically engage with you?

Most new engagements start through Fiverr Pro — it gives you escrow protection, a verified review history (400+ five-star reviews), and a structured delivery process. For clients who prefer direct contracting, we also accept fixed-price and retainer engagements via WhatsApp or email once we’ve discussed scope. Either way, the work, communication, and quality are identical.

How fast can you start a project?

Most projects start within 24–48 hours of brief approval. After our initial scoping call, we send a written scope and fixed quote within 48 hours. Once you approve and pay (Fiverr escrow or direct deposit), we begin the same day. Simple projects ship within a week; full platforms in 2–8 weeks.

What happens after handover? Can you maintain the system?

Every project includes 14–60 days of free post-launch support depending on project size. After that we offer monthly retainers ($500–$2,500/mo depending on scope) for ongoing maintenance, feature additions, bug fixes, and priority response. Clients can also come back for individual fixed-price upgrades whenever needed — no retainer required.

Ownership, data & security

Will I own the code?

Yes. On project completion, you own the GAS project, the Sheets, all source files, and full IP. We retain the right to use anonymized patterns & learnings in future client work — but never any client-specific code, data, or branding.

Where is my data stored? Is it secure?

All your data lives in your own Google account (personal Gmail or Google Workspace) — Sheets, Drive files, Gmail messages, Calendar events. Google's security and compliance certifications apply (SOC 2, ISO 27001, HIPAA-eligible with Workspace Business). We never store, mirror, or have access to your data after handover. Apps Script runs as your account, so the same access controls you already use apply to the application.

What if Google deprecates Apps Script in the future?

Apps Script has been a stable, supported part of Google Workspace since 2009 and is actively invested in (V8 runtime upgrade, new APIs added regularly, Workspace Marketplace). Google has not deprecated a major Workspace developer platform without a multi-year migration path. That said, every project we ship uses standards-compliant patterns (REST APIs, OAuth 2.0, well-structured data) so migration to a future platform — should that ever become necessary — would be straightforward.

Can the app run when I'm offline or the Sheet is closed?

Yes. Apps Script runs on Google's servers, not your computer. Time-driven triggers can run scripts every minute, hour, or day — regardless of whether anyone has the Sheet open. Webhook handlers respond to incoming requests 24/7 (TikTok Shop orders, Stripe events, Shopify webhooks). Your laptop can be off, on a beach, or in a meeting — the system keeps working.

What are Apps Script's limits, and do they affect me?

The main limits to know: 6-minute execution time per script run (free Gmail) or 30 minutes (Workspace), 20,000 URL fetch calls/day, 2,000 simultaneous executions. For 95% of business use cases, these are plenty. For long-running batch operations (e.g. syncing a 50,000-row inventory) we use self-chaining time triggers with progress saved to PropertiesService — the script auto-resumes where it left off. We architect every project with these limits in mind, so you never hit them in production.

— Let's build it

Have a Sheet that's hitting
its limits?

We'll turn it into a real product. Tell us about your workflow — we respond within an hour during business days, with a written scope and fixed quote within 48 hours.

Send a brief

We'll respond within an hour during business days.

Or message WhatsApp for the fastest reply.