Codelet vs Mad Func
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Codelet
Prepare for technical interviews by identifying core coding patterns and analyzing your performance. Practice coding questions conveniently to improve your skills and pinpoint areas for growth.
- Identify core patterns
- Analyze approaches
- Track performance
- Identify improvement areas
- Practice coding questions
- Anytime, anywhere practice
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∙ Identify and analyze the core patterns and approaches ∙ View how well you’re doing and where you can improve ∙ Practice coding questions anywhere and anytime
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: Codelet at none against Mad Func's 1. Codelet also leads on ratings volume (127 vs 1) and iOS requirement (13.4 vs 18.0). Mad Func's advantage is update cadence (every 3 days vs every 2 months) and rating (5.0 vs 4.7). 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. Codelet asks for nothing beyond the download.
Mad Func holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Codelet has 127 ratings behind it against 1, so its average is the more settled of the two.
Codelet ships an update every 2 months, Mad Func every 3 days. The most recent releases landed on August 13, 2026 and June 3, 2026 respectively.
| Parameter | Codelet | Mad Func |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (127 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 53.3% of reviews | — |
| Number of ratings | 127 — better | 1 |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 25 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Codelet LLC | Gina De La Rosa |
Customer experience
Codelet
Mad Func
In-app purchases
Codelet
No in-app purchases
Mad Func
- Mad Func Pro$2.997 Days
