# Factor Tutor by ChatStick vs School Math Pro

The clearest difference is iOS requirement: School Math Pro at 15.1 against Factor Tutor by ChatStick's 26.0. On price and in-app purchases there is nothing between them.

Both are free to download. Factor Tutor by ChatStick sells 1 one-off in-app purchase and School Math Pro sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Factor Tutor by ChatStick | School Math Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Size | 12 MB | 52 MB |
| Requires iOS | 26.0 | **15.1** |
| Age rating | 4+ | 9+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [Dragoslav Ivkovi](https://appshunter.io/developer/1858050150) |

## What reviewers say

### Factor Tutor by ChatStick

[App page](https://appshunter.io/ios/app/factor-tutor-by-chatstick/id6760650663)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features + Remove Ads | $2.99 | one-time |


### School Math Pro

[App page](https://appshunter.io/ios/app/school-math-pro-step-by-step/id6761784560)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscriptions | $1.99 | per 7 days |
| monthly subscription | $6.99 | per month |
| annual subscription | $39.99 | per year |


## Frequently asked questions

### Is Factor Tutor by ChatStick free?

Factor Tutor by ChatStick is free to download, with in-app purchases available.

### Is School Math Pro free?

School Math Pro is free to download, with in-app purchases available.

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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.*