# Codelet vs Mad Func

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.

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.

## The numbers

| Metric | Codelet | Mad Func |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (127 ratings)](https://appshunter.io/ios/app/codelet/id1517315454/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mad-func/id6747051739/reviews)** |
| Number of ratings | **127** | 1 |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 28 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Codelet LLC](https://appshunter.io/developer/1517315453) | [Gina De La Rosa](https://appshunter.io/developer/1315362641) |

## What reviewers say

### Codelet

[App page](https://appshunter.io/ios/app/codelet/id1517315454)

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.

**Highlights:** Identify core patterns, Analyze approaches, Track performance, Identify improvement areas, Practice coding questions, Anytime, anywhere practice

**In-app purchases:** none


### Mad Func

[App page](https://appshunter.io/ios/app/mad-func/id6747051739)

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.

**Highlights:** Gamified algorithm puzzles, Interactive debugging, System design challenges, Multi-language support, Progress tracking dashboard, Weekly new challenges

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mad Func Pro | $2.99 | per 7 days |


## Frequently asked questions

### Is Codelet free?

Codelet is free to download, with no in-app purchases.

### Is Mad Func free?

Mad Func is free to download, with in-app purchases available.

### Which has better reviews, Codelet or Mad Func?

Mad Func is rated higher. Codelet averages 4.7 out of 5 from 127 ratings, while Mad Func averages 5.0 from 1 ratings.

### Do Codelet or Mad Func have ads?

Neither Codelet nor Mad Func shows ads.

### Which is updated more often, Codelet or Mad Func?

Codelet ships an update every 2 months, and Mad Func every 3 days. Most recently, Codelet was updated on August 13, 2026 and Mad Func on June 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*