# Tutor Wong 補習天王 vs Sobo Math

The clearest difference is update cadence: Sobo Math at every 3 days against Tutor Wong 補習天王's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Tutor Wong 補習天王 sells 6 in-app purchases, starting at $14.99 per month and Sobo Math sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Tutor Wong 補習天王 ships an update every 10 days, Sobo Math every 3 days. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Tutor Wong 補習天王 | Sobo Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 98 MB | 28 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Techhit Company Limited](https://appshunter.io/developer/6778327845) | [kwok wai yeung](https://appshunter.io/developer/1887192726) |

## What reviewers say

### Tutor Wong 補習天王

[App page](https://appshunter.io/ios/app/tutor-wong/id6778327843)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $14.99 | per month |
| Pro Monthly | $34.99 | per month |
| Ultra Monthly | $59.99 | per month |
| Basic Yearly | $149.99 | per year |
| Pro Yearly | $349.99 | per year |
| Ultra Yearly | $599.99 | per year |


### 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 |


## Frequently asked questions

### Is Tutor Wong 補習天王 free?

Tutor Wong 補習天王 is free to download, with in-app purchases available.

### Is Sobo Math free?

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

### Do Tutor Wong 補習天王 or Sobo Math have ads?

Neither Tutor Wong 補習天王 nor Sobo Math shows ads.

### Which is updated more often, Tutor Wong 補習天王 or Sobo Math?

Tutor Wong 補習天王 ships an update every 10 days, and Sobo Math every 3 days. Most recently, Tutor Wong 補習天王 was updated on October 15, 2026 and Sobo Math 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.*