# On vs PDF Compressor & Merger

The clearest difference is ads: On at none against PDF Compressor & Merger's shown. On also leads on iOS requirement (8.0 vs 16.6). 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 | On | PDF Compressor & Merger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Size | 44 MB | 12 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alain Lussac](https://appshunter.io/developer/1068156070) | [Yassine IMGHARNE](https://appshunter.io/developer/1847038078) |

## What reviewers say

### On

[App page](https://appshunter.io/ios/app/on-off-post/id1416484290)

**In-app purchases:** none


### PDF Compressor & Merger

[App page](https://appshunter.io/ios/app/pdf-compressor-and-merger/id6755102785)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is On free?

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

### Is PDF Compressor & Merger free?

PDF Compressor & Merger is free to download, with no in-app purchases.

### Do On or PDF Compressor & Merger have ads?

PDF Compressor & Merger shows ads; On does not.

---

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