# DinoHow vs TutorRev

The clearest difference is device support: TutorRev at 3 against DinoHow's —. DinoHow's advantage is iOS requirement (11.0 vs 14.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | DinoHow | TutorRev |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 days |
| Size | 1.2 GB | 317 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NO.1 EDUCATION TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1646569171) | [LanguaMetrics, LLC](https://appshunter.io/developer/1073912900) |

## What reviewers say

### DinoHow

[App page](https://appshunter.io/ios/app/dinohow/id6443776021)

**In-app purchases:** none


### TutorRev

[App page](https://appshunter.io/ios/app/tutorrev/id6651861435)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DinoHow free?

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

### Is TutorRev free?

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

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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.*