# TY Maths vs DSE 生物溫習精讀 Biology Revision

The clearest difference is in-app purchases: TY Maths at none against DSE 生物溫習精讀 Biology Revision's 1. TY Maths also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. DSE 生物溫習精讀 Biology Revision sells 1 one-off in-app purchase. TY Maths asks for nothing beyond the download.

## The numbers

| Metric | TY Maths | DSE 生物溫習精讀 Biology Revision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 46 MB | 16 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wing Kit Yu](https://appshunter.io/developer/6776310583) | [Rivermap Ai Solutions Ltd](https://appshunter.io/developer/1880642479) |

## What reviewers say

### TY Maths

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

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

**In-app purchases:** none


### DSE 生物溫習精讀 Biology Revision

[App page](https://appshunter.io/ios/app/dse-biology-revision/id6794628607)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DSE 生物：八大課題全解鎖 | $9.99 | one-time |


## Frequently asked questions

### Is TY Maths free?

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

### Is DSE 生物溫習精讀 Biology Revision free?

DSE 生物溫習精讀 Biology Revision is free to download, with in-app purchases available.

### Do TY Maths or DSE 生物溫習精讀 Biology Revision have ads?

Neither TY Maths nor DSE 生物溫習精讀 Biology Revision shows ads.

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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.*