Molnify let’s you turn your Excel files and Google Sheets models into web apps in minutes. Take your ideas to the cloud :)
Joined June 2019
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An auditor asks how your vibe-coded app calculated a number.
There's no answer to give - not for a non-programmer.
Quotes. Payback. Valuations. Engineering. Cost models. Your numbers already live in Excel - five of them, now live apps built with AI.
4 in 5 people building with Molnify App Builder since June started from their own spreadsheet. And every number in the app is a plain Excel formula you can check, not code you have to trust.
We handed an AI the spreadsheet Molnify actually quotes customers with, plus our logo, and asked for a complete web app. Then we published the entire 11:40 build, every AI mistake left in.
It hit a turn limit. It caught its own arithmetic: a card showed 6000.00 while the true total was 17,738.40. An empty price field read as 0. A modal broke and the AI admitted the fault. Final diff: 47 input cells written, zero formulas altered.
The payoff: that app is live and sends our real quotes today. app.molnify.com/app/molnify-…
BUILD WITH AI. AUDIT IN EXCEL.
Watch the full build, mistakes included: youtube.com/watch?v=Fp6d5Y3G…
AI code always looks right. Even when the math is wrong.
96% of developers don't fully trust it. Only 48% always check.
Molnify App Builder: describe your app, the AI builds it as an Excel file you can audit.
Build with AI. Audit in Excel.
github.com/molnify/molnify-a…
Build with AI. Audit in Excel.
"Can you trust a price an AI calculated?"
An AI did not calculate it.
The AI wrote the formula once, when it built the app. After that it is =B14+B15 doing the work.
Same inputs, same number, every time. That is not a promise, it is a spreadsheet.
AI code always looks right. Even when the math is wrong.
Today we launched the opposite of a black box: describe your app, AI builds it as an Excel file you can audit.
Build with AI. Audit in Excel.
Try it yourself - 200 free credits, enough to build your first app: molnify.com/app-builder/
An AI built this app.
You can still open every formula.
Everyone else ships a black box. We keep the logic in Excel, where anyone can audit it.
Something new is coming from Molnify.
Build with AI. Audit in Excel.
The World Bank audited an Excel file. It passed. INCA runs South Africa's municipal finance on Excel - now a national web platform, live in 5 months, zero rewrites.
🤖 Made with AI
The five tender requirements - and how each one was met: molnify.com/customer-success…
Your Excel file becomes a real app - with AI.
Watch one spreadsheet turn into seven different web apps.
ROI model. CPQ quote engine. DCF valuation. 3-statement CFO model. Campaign planner. Headless calc API. Field inspection journal.
Each one started as a single Excel file.
You just chat with your AI. In minutes your Excel ships as a real web app - and the formulas never change, so you can audit every number.
Create with AI. Audit in Excel. Vibe-coding without the black box.
app.molnify.com/guides/app-b…