# Math AI Solver Homework Help vs Mr Kai

The clearest difference is in-app purchases: Mr Kai at none against Math AI Solver Homework Help's 3. Mr Kai also leads on update cadence (daily vs every 3 weeks). Math AI Solver Homework Help's advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Math AI Solver Homework Help sells 3 in-app purchases, starting at $8.99 per month. Mr Kai asks for nothing beyond the download.

Math AI Solver Homework Help ships an update every 3 weeks, Mr Kai daily. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Math AI Solver Homework Help | Mr Kai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 111 MB | 172 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Solvify PTY Ltd.](https://appshunter.io/developer/1841388681) | [Henry Willis](https://appshunter.io/developer/1857291484) |

## What reviewers say

### Math AI Solver Homework Help

[App page](https://appshunter.io/ios/app/math-ai-solver-homework-help/id6754788683)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $8.99 | per month |
| Quarterly Premium | $28.99 | per 3 months |
| Annual Premium | $58.99 | per year |


### Mr Kai

[App page](https://appshunter.io/ios/app/mr-kai/id6759115076)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math AI Solver Homework Help free?

Math AI Solver Homework Help is free to download, with in-app purchases available.

### Is Mr Kai free?

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

### Do Math AI Solver Homework Help or Mr Kai have ads?

Neither Math AI Solver Homework Help nor Mr Kai shows ads.

### Which is updated more often, Math AI Solver Homework Help or Mr Kai?

Math AI Solver Homework Help ships an update every 3 weeks, and Mr Kai daily. Most recently, Math AI Solver Homework Help was updated on September 22, 2026 and Mr Kai on September 19, 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.*