# 香港學神筆記 vs TY Maths

The clearest difference is in-app purchases: TY Maths at none against 香港學神筆記's 1. TY Maths also leads on ads (none vs shown) and update cadence (every 5 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. 香港學神筆記 sells 1 one-off in-app purchase. TY Maths asks for nothing beyond the download.

香港學神筆記 ships an update fortnightly, TY Maths every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 香港學神筆記 | TY Maths |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 83 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THE THINGS TECH COMPANY](https://appshunter.io/developer/1815201892) | [Wing Kit Yu](https://appshunter.io/developer/6776310583) |

## What reviewers say

### 香港學神筆記

[App page](https://appshunter.io/ios/app/id6757131245)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP（3 個月） | $3.99 | one-time |


### TY Maths

[App page](https://appshunter.io/ios/app/ty-maths/id6776310581)

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

**In-app purchases:** none


## Frequently asked questions

### Is 香港學神筆記 free?

香港學神筆記 is free to download, with in-app purchases available.

### Is TY Maths free?

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

### Do 香港學神筆記 or TY Maths have ads?

香港學神筆記 shows ads; TY Maths does not.

### Which is updated more often, 香港學神筆記 or TY Maths?

香港學神筆記 ships an update fortnightly, and TY Maths every 5 days. Most recently, 香港學神筆記 was updated on October 25, 2026 and TY Maths on October 28, 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.*