# OneThing vs PDF Combine

The clearest difference is iOS requirement: PDF Combine at 17 against OneThing's 26.1. On price, ads, 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 | OneThing | PDF Combine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 3 MB | 2 MB |
| Requires iOS | 26.1 | **17** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Grupo Pixeles Latinoamerica, S.A. de C.V.](https://appshunter.io/developer/1704830040) | [Addison Bowles](https://appshunter.io/developer/6785786356) |

## What reviewers say

### OneThing

[App page](https://appshunter.io/ios/app/onething-one-task/id6762528138)

**In-app purchases:** none


### PDF Combine

[App page](https://appshunter.io/ios/app/pdf-combine/id6790044633)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneThing free?

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

### Is PDF Combine free?

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

### Do OneThing or PDF Combine have ads?

Neither OneThing nor PDF Combine shows ads.

---

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