# StoichioAI vs DSE 化學溫習精讀 Chemistry Revision

The clearest difference is in-app purchases: StoichioAI at none against DSE 化學溫習精讀 Chemistry Revision's 1. DSE 化學溫習精讀 Chemistry Revision's advantage is iOS requirement (15.0 vs 17.1). On price, ads and device support there is nothing between them.

Both are free to download. DSE 化學溫習精讀 Chemistry Revision sells 1 one-off in-app purchase. StoichioAI asks for nothing beyond the download.

## The numbers

| Metric | StoichioAI | DSE 化學溫習精讀 Chemistry Revision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 27 MB | 15 MB |
| Requires iOS | 17.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pang Ka Wai](https://appshunter.io/developer/797633008) | [Rivermap Ai Solutions Ltd](https://appshunter.io/developer/1880642479) |

## What reviewers say

### StoichioAI

[App page](https://appshunter.io/ios/app/stoichioai/id6755667893)

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

**In-app purchases:** none


### DSE 化學溫習精讀 Chemistry Revision

[App page](https://appshunter.io/ios/app/dse-chemistry-revision/id6798194374)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DSE 化學：十五個課題全解鎖 | $9.99 | one-time |


## Frequently asked questions

### Is StoichioAI free?

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

### Is DSE 化學溫習精讀 Chemistry Revision free?

DSE 化學溫習精讀 Chemistry Revision is free to download, with in-app purchases available.

### Do StoichioAI or DSE 化學溫習精讀 Chemistry Revision have ads?

Neither StoichioAI nor DSE 化學溫習精讀 Chemistry 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.*