RoastGPT, an AI roast app on mobile, $4,264 MRR
Fun, shareable AI apps can grow through people posting their results.
AISee the AI tools creators use132 tools with real cases#112 in Build an App with AI by earnings#189 overall on Biggest Wins

The Short Version
How Matt (RoastGPT) made $4,443 revenue, last 30 days, according to TrustMRR.
- What: RoastGPT is an AI mobile app from the United Kingdom built around funny AI roasts, paid through in-app subscriptions.
- Result: $4,443 in revenue over the last 30 days and $4,264 MRR, per TrustMRR.
| Who | Matt (RoastGPT) |
|---|---|
| Tool | |
| Revenue | $4,443 revenue, last 30 days |
| Source | TrustMRR |
Try It Yourself
(Our template, not the creator's prompt.) I want to build a small paid app that fixes one annoyance: [problem]. Write the feature list for version 1 (one job only), a 5-step build plan with an AI coding tool, and a short honest launch post.
Your first step
Paste the prompt into your AI assistant and swap the [brackets] for your own niche.
The workflow
Where & With What
What They Did
- 1The moveRoastGPT is an AI mobile app from the United Kingdom built around funny AI roasts, paid through in-app subscriptions.
- 2Step 2Build one small app for one job
- 3Step 3Launch with an honest post
- 4Result$4,443 in revenue over the last 30 days and $4,264 MRR, per TrustMRR.
Quick Answers
What tools do you need?
Just the platform account.
How much does it cost?
No paid tools needed: this case uses only the platform itself, which is free to join.
Is it allowed?
Follow the platform rules and disclose ads.
Watch out: Keep roasts playful and block hateful or personal attacks.
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