# Sobo Math vs 小學數學備課神器

The clearest difference is in-app purchases: 小學數學備課神器 at none against Sobo Math's 2. Sobo Math's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Sobo Math sells 2 in-app purchases, starting at $9.99 per month. 小學數學備課神器 asks for nothing beyond the download.

Sobo Math ships an update every 3 days, 小學數學備課神器 weekly. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sobo Math | 小學數學備課神器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Size | 28 MB | 5 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kwok wai yeung](https://appshunter.io/developer/1887192726) | [Tsz Fung Choi](https://appshunter.io/developer/1815288255) |

## 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 |


### 小學數學備課神器

[App page](https://appshunter.io/ios/app/id6803256406)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sobo Math free?

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

### Is 小學數學備課神器 free?

小學數學備課神器 is free to download, with no in-app purchases.

### Do Sobo Math or 小學數學備課神器 have ads?

小學數學備課神器 shows ads; Sobo Math does not.

### Which is updated more often, Sobo Math or 小學數學備課神器?

Sobo Math ships an update every 3 days, and 小學數學備課神器 weekly. Most recently, Sobo Math was updated on October 7, 2026 and 小學數學備課神器 on October 6, 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.*