Productivity · Tabnews · 🇧🇷 Brazil
Asking AI to build a personal mini-app on your iPhone
A former product person built CriAI, which generates mini-apps from a description.
- Profession
- Product Manager
- Tools
- IA generativa
- Source
- tabnews.com.br ↗
- Country
- 🇧🇷 Brazil
- Report date
- October 4, 2026
- Verified on
- October 24, 2026

What they did
Created an app where users describe what they want and get a mini-app.
How it went
After changing the classification, the "Other" category dropped from 78% to 1.4% of apps, at no extra cost.
Good to know
Generated apps run locally, which helps with privacy.
The prompt
Create a [function] mini-app in a single HTML file, with a [colors] theme, that saves data only on the device (localStorage).
Replace what is in [brackets]. Prompt written by us from the account, not a literal copy of the source. Do not paste other people’s personal data (privacy laws such as LGPD and GDPR apply).
Summary in our own words. Results as stated in the original account; we have not tested or audited them. Read the source ↗ Found a mistake?
Similar cases
01Product manager turns scattered notes into a priority list
Ron Forbes dumps meeting notes into a folder and Claude Code returns summaries and tasks sorted by priority.
02Journalists from Folha, Aos Fatos and Núcleo discuss how they use AI
Knight Center roundtable: newsrooms use AI to translate, create scripts and fact-check.
03Claude doubled the speed of a home Wi-Fi network
A user asked for help with slow internet; the agent ran tests, read the Mac's signal data and walked them through the router settings.
04A table at a hard-to-book restaurant without refreshing the website
The user asked the concierge to watch for an opening at Don Angie; the agent booked it as soon as one appeared.
05Daily newsletters become a podcast at 5 a.m.
The agent reads the newsletters under a label, skips the weak ones, summarizes the rest and generates audio with a local voice.
06Check engine light on: agent bought the scanner and found the fault
A driver told the agent about the dashboard light; it ordered an OBD2 reader, read the code and cleared the alert.
07One week to find an apartment in San Francisco
A new hire used Claude and ChatGPT to list property managers and filter listings by price and area.
08Private chef and ski trip arranged during a dog walk
Paul Metcalfe gives spoken instructions and ChatGPT requests quotes, reads replies and summarizes the options.