# Sobo Math vs AIPrentice

The clearest difference is in-app purchases: AIPrentice at none against Sobo Math's 2. Sobo Math's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sobo Math sells 2 in-app purchases, starting at $9.99 per month. AIPrentice asks for nothing beyond the download.

Sobo Math ships an update every 3 days, AIPrentice every 6 days. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sobo Math | AIPrentice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Size | 37 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kwok wai yeung](https://appshunter.io/developer/1887192726) | [RUEI YI WU](https://appshunter.io/developer/1896714956) |

## What reviewers say

### Sobo Math

[App page](https://appshunter.io/ios/app/sobo-math/id6785965928)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小學數學大冒險 | $9.99 | per month |
| PRO Yearly | $69.99 | per year |


### AIPrentice

[App page](https://appshunter.io/ios/app/aiprentice/id6787588862)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sobo Math free?

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

### Is AIPrentice free?

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

### Do Sobo Math or AIPrentice have ads?

Neither Sobo Math nor AIPrentice shows ads.

### Which is updated more often, Sobo Math or AIPrentice?

Sobo Math ships an update every 3 days, and AIPrentice every 6 days. Most recently, Sobo Math was updated on September 20, 2026 and AIPrentice on September 24, 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.*