# Revu vs STEM Tutor

The clearest difference is iOS requirement: Revu at 15.1 against STEM Tutor's 18.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Revu sells 1 in-app purchase, starting at $4.99 per month and STEM Tutor sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Revu | STEM Tutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 31 MB | 6 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nevan Mahattana](https://appshunter.io/developer/1863509685) | [Curayt LLC](https://appshunter.io/developer/1012363586) |

## What reviewers say

### Revu

[App page](https://appshunter.io/ios/app/revu-scroll-and-study/id6756894958)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Revu+ | $4.99 | per month |


### 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 |


## Frequently asked questions

### Is Revu free?

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

### Is STEM Tutor free?

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

### Do Revu or STEM Tutor have ads?

Neither Revu nor STEM Tutor shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*