# E vs One Button Factory

The clearest difference is ads: One Button Factory at none against E's shown. E's advantage is iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support 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 | E | One Button Factory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | — |
| Size | 223 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Full Fat Productions Ltd](https://appshunter.io/developer/374306144) | [remco van der meer](https://appshunter.io/developer/6788758838) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-merge-ency-services/id1659857983)

**Features:** macOS Compatibility

**In-app purchases:** none


### One Button Factory

[App page](https://appshunter.io/ios/app/one-button-factory/id6792522567)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is One Button Factory free?

One Button Factory is free to download, with no in-app purchases.

### Do E or One Button Factory have ads?

E shows ads; One Button Factory does not.

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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.*