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Migrations

Turn your Excel spreadsheet into a web app

Turning an Excel spreadsheet into a web app means rebuilding the data, formulas and steps in your spreadsheet as proper software, with logins, forms, permissions and a real database behind it. Zoti converts business-critical spreadsheets into custom web apps, starting at $499/month.

Updated November 3, 2026

Starts at
$499/month
Best for
Spreadsheets several people edit to run a core process
You keep
Your data, formulas and the way you work

Signs you have outgrown the spreadsheet

Spreadsheets are the best prototype a business can have. They stop working when they become the system everyone depends on:

  • Several people edit the same file and someone keeps overwriting someone else’s changes.
  • One person is the only one who understands the formulas, and everyone is afraid to touch them.
  • You copy data between tabs or files by hand every week.
  • You email versions back and forth, and nobody is sure which one is current.
  • Customers or staff outside the office need to enter or see data, and you cannot share the whole file.
  • The file is slow, crashes, or has hit row limits.

What changes when it becomes a web app

  • Everyone works from one live database, with no versions to reconcile.
  • Forms with validation replace free-typing into cells, so bad data never gets in.
  • Logins and permissions decide who can see and edit what.
  • Formulas become tested logic that cannot be broken by a stray keystroke.
  • Automations handle the copy-paste: reminders, emails, status changes and reports.
  • A full history of who changed what and when.
  • It works on phones and tablets, in the office or in the field.
  • It connects to your other tools, such as accounting, payments and calendars.

How we convert a spreadsheet

  1. Read the spreadsheetWe go through every tab, formula and macro with the people who use it, and write down the rules hidden inside.
  2. Map the processWe note who enters what, who approves it, and what happens next, so the app matches how work flows.
  3. Design the screensYou click through the app before it is built and tell us what to change.
  4. Build and move the dataWe build the app, import your existing rows, and check the numbers match the spreadsheet.
  5. Run side by side, then switchYour team tries the app alongside the spreadsheet until everyone trusts it, then the file is retired.

No-code tools vs. a custom web app

Tools like Airtable, Softr and Glide can turn a spreadsheet into a basic app quickly, and for simple lists they are a good first step. They get harder to live with as rules, users and data grow, and pricing usually climbs with every seat and record.

A custom web app takes longer to build but has no limits on logic, users or integrations, and is designed around your exact process.

What it costs

Custom projects at Zoti start at $499/month, covering design, development, hosting and ongoing changes. The final price depends on how many screens, users and integrations the app needs and how much data we bring across. You get a written quote before any work begins.

Questions

Common questions

Can you turn an Excel spreadsheet into a web app?

Yes. The data, formulas and steps in the spreadsheet are rebuilt as a web app with a real database, forms, logins and permissions, and your existing rows are imported so nothing is lost.

Will my formulas and macros still work?

The logic is rebuilt in the app rather than copied, so it keeps working the same way but can no longer be broken by an accidental edit. We check results against the original spreadsheet before you switch.

How much does it cost to turn a spreadsheet into an app?

Zoti custom projects start at $499/month, which includes design, development, hosting and ongoing changes. The exact price depends on the number of screens, users and integrations.

Can we keep using Excel for reports?

Yes. Most apps we build can export data to Excel or CSV, or feed a live report, so anyone who likes working in a spreadsheet still can.

Should we use Airtable or a no-code tool instead?

For simple lists with a few users, a no-code tool is often enough. When the process has complex rules, many users, sensitive data or integrations, a custom app tends to cost less over time and fit better.

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