Metamath vs Mad Func
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Metamath
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This app allows you to view the Metamath theorems and their proofs. It has no ads or in-app purchases. Metamath is a system for formalizing and verifying math proofs. For information about Metamath, see the web site us.metamath.org or one of its mirror sites. For a demo of this app, see the youtube video at the url https://www.youtube.com/watch?v=qTOUBEACTz4&list=PLoh8e3Knr9WIEK55cIKwQe5e8CBpA3_ks
Mad Func
Learn algorithms and coding concepts through interactive, gamified challenges. Solve puzzles by arranging code blocks, debug issues, and tackle system design problems. Track your progress and prepare for interviews or strengthen your computer science fundamentals.
- Gamified algorithm puzzles
- Interactive debugging
- System design challenges
- Multi-language support
- Progress tracking dashboard
- Weekly new challenges
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Who said learning algorithms had to be boring? Solve coding challenges by dragging and dropping syntax pieces into place. It's like building with code blocks! Challenge Yourself With: Fresh algorithm puzzles every week Interactive debugging missions System design brain teasers Multi-language support (Swift, Python, JavaScript, Java) Personal progress dashboard Whether you're prepping for interviews or strengthening CS foundations, turn study time into play time. Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Metamath at none against Mad Func's 1. Metamath also leads on iOS requirement (12.4 vs 18.0). Mad Func's advantage is update cadence (every 3 days vs every 34 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Mad Func sells 1 in-app purchase, starting at $2.99 per 7 days. Metamath asks for nothing beyond the download.
Metamath ships an update every 34 months, Mad Func every 3 days. The most recent releases landed on September 17, 2026 and June 3, 2026 respectively.
| Parameter | Metamath | Mad Func |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 34 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 12.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 210 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | William Hale | Gina De La Rosa |
In-app purchases
Metamath
No in-app purchases
Mad Func
- Mad Func Pro$2.997 Days
