# Crammfly vs CheckBoostAudio

The clearest difference is device support: CheckBoostAudio at 3 against Crammfly's —. On price, in-app purchases and iOS requirement 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 | Crammfly | CheckBoostAudio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 days |
| Size | 5 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kota endo](https://appshunter.io/developer/1192323044) | [Masatomo Fukuda](https://appshunter.io/developer/1599921920) |

## What reviewers say

### Crammfly

[App page](https://appshunter.io/ios/app/crammfly/id6443446278)

**In-app purchases:** none


### CheckBoostAudio

[App page](https://appshunter.io/ios/app/checkboostaudio/id6740433605)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Crammfly free?

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

### Is CheckBoostAudio free?

CheckBoostAudio 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.*