# Math AI vs PhysKey Custom

The clearest difference is in-app purchases: PhysKey Custom at none against Math AI's 3. PhysKey Custom also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Math AI sells 3 in-app purchases, starting at $6.99 per 7 days. PhysKey Custom asks for nothing beyond the download.

Math AI ships an update every 2 months, PhysKey Custom every 4 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Math AI | PhysKey Custom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 39 MB | 5 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) | [Ryosuke Asano](https://appshunter.io/developer/1858758761) |

## What reviewers say

### Math AI

[App page](https://appshunter.io/ios/app/math-ai-solver-and-scanner/id6757243558)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $6.99 | per 7 days |
| Premium Yearly Plan | $34.99 | per year |
| Lifetime | $69.99 | one-time |


### PhysKey Custom

[App page](https://appshunter.io/ios/app/physkey-custom/id6757507136)

**In-app purchases:** none


## Frequently asked questions

### Is Math AI free?

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

### Is PhysKey Custom free?

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

### Do Math AI or PhysKey Custom have ads?

Math AI shows ads; PhysKey Custom does not.

### Which is updated more often, Math AI or PhysKey Custom?

Math AI ships an update every 2 months, and PhysKey Custom every 4 months. Most recently, Math AI was updated on October 12, 2026 and PhysKey Custom on October 7, 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.*