# Video Book vs Math AI

The clearest difference is in-app purchases: Video Book at none against Math AI's 3. Video Book also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Math AI's advantage is update cadence (every 2 days vs every 4 days). On price and ads there is nothing between them.

Both are free to download. Math AI sells 3 in-app purchases, starting at $9.99 per 7 days. Video Book asks for nothing beyond the download.

Video Book ships an update every 4 days, Math AI every 2 days. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Video Book | Math AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 1 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pratheesh Bennet](https://appshunter.io/developer/1548251165) | [DONUT CONSULTING](https://appshunter.io/developer/1534436184) |

## What reviewers say

### Video Book

[App page](https://appshunter.io/ios/app/video-book-attach-pdf-videos/id1554255286)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math AI

[App page](https://appshunter.io/ios/app/math-ai-smart-problem-solver/id6670772010)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $9.99 | per 7 days |
| Monthly Subscription | $29.99 | per month |
| Annual Subscription | $299.99 | per year |


## Frequently asked questions

### Is Video Book free?

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

### Is Math AI free?

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

### Do Video Book or Math AI have ads?

Neither Video Book nor Math AI shows ads.

### Which is updated more often, Video Book or Math AI?

Video Book ships an update every 4 days, and Math AI every 2 days. Most recently, Video Book was updated on October 5, 2026 and Math AI on October 10, 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.*