# E4Keys vs Dose Academy

The clearest difference is in-app purchases: Dose Academy at none against E4Keys's 3. E4Keys's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. E4Keys sells 3 in-app purchases, starting at $1.99 per month. Dose Academy asks for nothing beyond the download.

## The numbers

| Metric | E4Keys | Dose Academy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Monthly | — |
| Size | 47 MB | 46 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [CARLOS GOMES DE OLIVEIRA](https://appshunter.io/developer/1576926646) | [The Members](https://appshunter.io/developer/1653824858) |

## What reviewers say

### E4Keys

[App page](https://appshunter.io/ios/app/e4keys/id1604234563)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Assinatura Mensal | $1.99 | per month |
| Assinatura Semestral | $9.99 | per 6 months |
| Assinatura Anual | $14.99 | per year |


### Dose Academy

[App page](https://appshunter.io/ios/app/dose-academy/id6472516270)

**In-app purchases:** none


## Frequently asked questions

### Is E4Keys free?

E4Keys is free to download, with in-app purchases available.

### Is Dose Academy free?

Dose Academy 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.*