Edition of October 26, 2026Use cases · with prompt · with sourcePTEN

Home / Business and Sales

Business and Sales · News · 🇧🇷 Brazil

Building an app at 66 without knowing how to code

An Argentine numerologist in Belo Horizonte used AI to create Aurameets, which connects patients with holistic therapists.

Profession
Entrepreneur, Therapist
Tools
IA generativa
Source
diariodocomercio.com.br ↗
Country
🇧🇷 Brazil
Report date
September 5, 2026
Verified on
October 24, 2026
Illustrative photo: Health sector

What they did

He developed an app on his own using AI prompts.

How it went

The app was built in two months, with no agency or team, according to the founder.

Good to know

Apps that connect patients with therapists handle sensitive data; have a privacy policy from the start.

The prompt

I don't know how to code. I want to create an app that [function]. List the minimum screens, the data I need to store (and which of it is sensitive under Brazil's LGPD), and which no-code or AI tool you recommend to get started.

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?

Illustrative photo: Construction sector01
Business and Sales🇺🇸 United States

Disputing a contractor's prices on a building project

A project owner gave the AI every item, the purchase order and the emails; it found charges he hadn't noticed.

Property OwnerIA generativa
X · via agentusecases.aiSee prompt →
Illustrative photo: SMB sector02
Business and Sales🌐 International

Separating business expenses from personal card statements

The author had Claude talk through the first few statements to learn her patterns before classifying the rest.

EntrepreneurClaude Code
Newsletter · via agentusecases.aiSee prompt →
Illustrative photo: Services/Technology sector03
Business and Sales🇧🇷 Brazil

Giving an agent a server and the mission of building a business

A dev let Claude Code run every 30 minutes on a VPS, with memory kept in files, asking for help via Telegram.

DeveloperEntrepreneurClaude CodeTelegram
TabnewsSee prompt →
Illustrative photo: Retail sector04
Business and Sales🇧🇷 Brazil

Discovering the problem wasn't the model, it was the question asked to customers

An entrepreneur improved a demand forecasting model, but only made progress in sales after changing the question asked to customers.

EntrepreneurData ScientistMachine learningPython
TabnewsSee prompt →
Illustrative photo: Services/Technology sector05
Business and Sales🇧🇷 Brazil

Using several AIs as critics to validate an idea

A developer created a "tribunal" of 25 AI personas to judge ideas without the flattery typical of chatbots.

EntrepreneurLLMs
TabnewsSee prompt →
Illustrative photo: SMB sector06
Business and Sales🇧🇷 Brazil

Build prospecting lists from Google Maps

A developer built a local lead extractor with Python and Playwright, speeding up development with AI.

DeveloperSalespersonPythonPlaywright
TabnewsSee prompt →
Illustrative photo: Health sector07
Business and Sales🇧🇷 Brazil

Let an AI send prospecting emails on your behalf

The founder of BloodLink authorized Claude to write and send emails to blood centers and hospitals.

EntrepreneurClaudeResend
TabnewsSee prompt →
Illustrative photo: Construction sector08
Business and Sales🇧🇷 Brazil

Developer Launches a Building Conceived with the Help of AI

Vitacon used AI to design a 700-studio development in Vila Mariana, in São Paulo.

ArchitectBusiness OwnerIA generativa
NewsSee prompt →

The newsletter · Caderno de IA

As 5 da semana

5 AI use cases with prompts, every Tuesday in your inbox. Free, with sources. The newsletter is written in Portuguese.

No spam. Unsubscribe anytime.

We use your email only to send the newsletter. See the privacy policy.