# Math Interactive vs Kai Reads

The clearest difference is update cadence: Kai Reads at every 6 weeks against Math Interactive's every 13 months. Math Interactive's advantage is iOS requirement (13.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Math Interactive ships an update every 13 months, Kai Reads every 6 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Math Interactive | Kai Reads |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (744 ratings)](https://appshunter.io/ios/app/math-interactive/id1169802338/reviews)** | — |
| Number of ratings | **744** | — |
| Positive reviews | 60.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 6 weeks** |
| Monetization | Freemium | — |
| Size | 46 MB | 17 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rune Johannes Overgaard Hoejlund](https://appshunter.io/developer/1720383877) | [Victor Galloza](https://appshunter.io/developer/767144584) |

## What reviewers say

### Math Interactive

[App page](https://appshunter.io/ios/app/math-interactive/id1169802338)

Enhance your mathematical understanding with a comprehensive reference covering 23 subjects, over 200 articles, and interactive illustrations. Explore detailed explanations, solved problems, and proofs to master concepts from algebra to calculus. Access all content and features with a premium upgrade.

**Highlights:** 23 math subjects covered, Over 200 articles with detailed descriptions, Solved solutions and thorough proofs, Interactive illustrations for better understanding, Quick search for articles and formulas, Recents category to pick up where you left off, Share articles via social media and messaging

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick and concise
- 👍 Great for math help and studying
- 👍 Excellent customer service
- 👍 Clear and comprehensive
- 👍 Interactive and well-designed

**What reviewers complain about**

- 🐛 Lacking in content and topics
- 💰 Too much content locked behind paywall
- 🤔 Explanations could be more intuitive
- 🤔 Needs more examples and practice

**Reported bugs**

- Incorrect formulas and calculations
- Compatibility issues with newer iOS versions

**Requested features**

- Add more advanced math topics like calculus, matrices, etc.
- Include step-by-step solutions and more interactive elements
- Improve organization and flow of content
- Provide more real-world examples and applications


### Kai Reads

[App page](https://appshunter.io/ios/app/kai-reads/id6790004296)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Math Interactive free?

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

### Is Kai Reads free?

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

### Do Math Interactive or Kai Reads have ads?

Neither Math Interactive nor Kai Reads shows ads.

### Which is updated more often, Math Interactive or Kai Reads?

Math Interactive ships an update every 13 months, and Kai Reads every 6 weeks. Most recently, Math Interactive was updated on November 6, 2026 and Kai Reads on November 5, 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.*