# StoichioAI vs 5

The clearest difference is in-app purchases: StoichioAI at none against 5's 3. StoichioAI also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 5 sells 3 in-app purchases, starting at $8.99 per 3 months. StoichioAI asks for nothing beyond the download.

## The numbers

| Metric | StoichioAI | 5 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Size | 26 MB | 12 MB |
| Requires iOS | 17.1 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pang Ka Wai](https://appshunter.io/developer/797633008) | [香港導師聯會 HK Tutor Link](https://appshunter.io/developer/6789961509) |

## What reviewers say

### StoichioAI

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

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

**In-app purchases:** none


### 5

[App page](https://appshunter.io/ios/app/5-min-hkdse-maths-mc-practice/id6817887731)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DSE Maths 3-Month Premium | $8.99 | per 3 months |
| DSE Maths Annual Premium | $12.99 | per year |
| DSE Maths Lifetime Premium | $12.99 | one-time |


## Frequently asked questions

### Is StoichioAI free?

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

### Is 5 free?

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

### Do StoichioAI or 5 have ads?

5 shows ads; StoichioAI does not.

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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.*