# STEM Tutor vs Algebra for adults

The clearest difference is in-app purchases: Algebra for adults at none against STEM Tutor's 1. Algebra for adults also leads on iOS requirement (15.1 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. STEM Tutor sells 1 in-app purchase, starting at $0.99 per month. Algebra for adults asks for nothing beyond the download.

## The numbers

| Metric | STEM Tutor | Algebra for adults |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 6 MB | 29 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Curayt, LLC](https://appshunter.io/developer/1012363586) | [Ode Corporation](https://appshunter.io/developer/1290411398) |

## What reviewers say

### STEM Tutor

[App page](https://appshunter.io/ios/app/stem-tutor/id6759301043)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STEM Tutor Premium | $0.99 | per month |


### Algebra for adults

[App page](https://appshunter.io/ios/app/algebra-for-adults/id6777508791)

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

**In-app purchases:** none


## Frequently asked questions

### Is STEM Tutor free?

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

### Is Algebra for adults free?

Algebra for adults is free to download, with no in-app purchases.

### Do STEM Tutor or Algebra for adults have ads?

Neither STEM Tutor nor Algebra for adults 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.*