# DSE神器 Chem 化學科：題目練習・模擬試題 vs TY Maths

The clearest difference is in-app purchases: TY Maths at none against DSE神器 Chem 化學科：題目練習・模擬試題's 2. TY Maths also leads on iOS requirement (13.0 vs 15.6). DSE神器 Chem 化學科：題目練習・模擬試題's advantage is update cadence (every 2 days vs every 5 days). On price, ads and device support there is nothing between them.

Both are free to download. DSE神器 Chem 化學科：題目練習・模擬試題 sells 2 in-app purchases, starting at $8.99 per month. TY Maths asks for nothing beyond the download.

DSE神器 Chem 化學科：題目練習・模擬試題 ships an update every 2 days, TY Maths every 5 days. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | DSE神器 Chem 化學科：題目練習・模擬試題 | TY Maths |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dse-chem/id6760638430/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 158 MB | 46 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pickmy AI](https://appshunter.io/developer/1869516043) | [Wing Kit Yu](https://appshunter.io/developer/6776310583) |

## What reviewers say

### DSE神器 Chem 化學科：題目練習・模擬試題

[App page](https://appshunter.io/ios/app/dse-chem/id6760638430)

This app helps students prepare for the DSE Chemistry exam by breaking down complex reactions and concepts into 10-minute focused practice sessions. It covers essential topics, provides step-by-step analysis for calculations, and includes dedicated training for experimental questions. The ad-free environment ensures maximum learning efficiency.

**Highlights:** Covers compulsory and elective DSE Chemistry topics, 10-minute focused practice sessions, Step-by-step analysis for calculations, Dedicated experimental question training, Smart wrong answer tracking, Ad-free learning environment

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DSE神器 Chemistry 化學科 Pro | $8.99 | per month |
| 10分鐘DSE化學科 Chemistry Pro (180天) | $19.99 | 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 DSE神器 Chem 化學科：題目練習・模擬試題 free?

DSE神器 Chem 化學科：題目練習・模擬試題 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 DSE神器 Chem 化學科：題目練習・模擬試題 or TY Maths have ads?

Neither DSE神器 Chem 化學科：題目練習・模擬試題 nor TY Maths shows ads.

### Which is updated more often, DSE神器 Chem 化學科：題目練習・模擬試題 or TY Maths?

DSE神器 Chem 化學科：題目練習・模擬試題 ships an update every 2 days, and TY Maths every 5 days. Most recently, DSE神器 Chem 化學科：題目練習・模擬試題 was updated on October 17, 2026 and TY Maths on October 4, 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.*