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You will get a custom Google Sheets web app or internal tool for your business
Project details
You will get a custom web app built on top of your Google Sheet, so the tool your team uses every day finally matches how they actually work. I turn cluttered spreadsheets into clean, branded apps: dashboards, trackers, request forms, and approval flows, with the automations that quietly save hours each week, like emailed reports, auto calculations, and status updates. Everything runs on your own Google account, so there is nothing extra to host and no monthly software fee, and you keep the source code. I build with Google Apps Script and focus on tools non-technical teams can use without training. Tell me what slows your team down and I will show you exactly how a simple app fixes it.
Programming Languages
HTML & CSS, JavaScriptWhat's included
| Service Tiers |
Starter
$100
|
Standard
$250
|
Advanced
$500
|
|---|---|---|---|
| Delivery Time | 5 days | 8 days | 12 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 3 | 6 |
Design Customization | |||
Content Upload | - | - | - |
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$25 - $100Frequently asked questions
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MA
Manan A.
Jul 25, 2026
Build web app for Project/task management
It was a pleasure working with Muji. He is skilled, honest and very kind with his work. He went the extra mile of accommodating all the changes and requests that I had for our project management tool without a price increase. He did not just do the work, he listened to the requirements and suggested a thoughtful workflow before implementing it. I highly recommend using his services.
About Muji Rachmat
Data Analyst & Automation| SQL, Lookers, n8n, Make, Apps Script, Excel
Surabaya, Indonesia - 9:59 am local time
built and maintained every pipeline, dashboard and reconciliation process across seven markets with seven different ways of recording the same thing.
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WHAT YOU GET
▸ DASHBOARDS THAT ANSWER QUESTIONS
• Sales, operations, finance, headcount
• Looker Studio, Google Sheets or a custom web app
• Filters, drilldowns, documented metric definitions so nobody argues about what a number means
▸ REPORTING AUTOMATION
• Data pulled from your CRM, forms, spreadsheets and APIs on a schedule
• Cleaned, joined and pushed into the dashboard without anyone touching it
• Built with n8n, Make, Apps Script or direct API integration
▸ MESSY DATA MADE USABLE
• Deduplication, normalisation, reconciliation between systems that disagree
• A data model that holds up when the volume grows
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STACK
SQL · Looker Studio · Google Sheets · Google Apps Script · n8n · Make · REST APIs · Excel · BigQuery
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HOW THIS WORKS
Most freelancers send you a proposal. You get a working demo.
1. A functional version is built with realistic sample data, before any contract starts
2. You click through it and confirm the logic is right
3. Your feedback goes into the real build
4. First working version lands within one week on most projects
Live dashboards you can click through are in the Portfolio section below.
Send a message with the report you are tired of building by hand, and what it should tell you. A reply comes back within a few hours with how it would be approached and roughly what it takes.
Steps for completing your project
After purchasing the project, send requirements so Muji Rachmat can start the project.
Delivery time starts when Muji Rachmat receives requirements from you.
Muji Rachmat works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery
map your workflow, screens, roles, and automations, and agree on scope. You approve a short one-page spec.
Data model
set up or tidy the underlying sheet structure the app reads from and writes to.