# Long Subtraction vs Homework AI

The clearest difference is price: Homework AI at Free against Long Subtraction's $0.99. Long Subtraction's advantage is in-app purchases (none vs 8). On ads, device support and iOS requirement there is nothing between them.

Homework AI is free to download; Long Subtraction costs $0.99 up front. Homework AI sells 5 in-app purchases, starting at $6.99 per 7 days. Long Subtraction asks for nothing beyond the download.

## The numbers

| Metric | Long Subtraction | Homework AI |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 1 MB | 38 MB |
| Requires iOS | **14.1** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [Muhammad Usama Bin Habib](https://appshunter.io/developer/1766097637) |

## What reviewers say

### Long Subtraction

[App page](https://appshunter.io/ios/app/long-subtraction/id6469645846)

**Features:** macOS Compatibility

**In-app purchases:** none


### Homework AI

[App page](https://appshunter.io/ios/app/homework-ai-study-and-solver/id6754846693)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $29.99 | per year |
| Yearly | $39.99 | per year |
| Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Long Subtraction free?

Long Subtraction costs $0.99, with no in-app purchases.

### Is Homework AI free?

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

### Do Long Subtraction or Homework AI have ads?

Neither Long Subtraction nor Homework AI 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.*