# Open Micer Timer vs ZenPDF

The clearest difference is ads: Open Micer Timer at none against ZenPDF's shown. ZenPDF's advantage is iOS requirement (13.0 vs 26.1). 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 | Open Micer Timer | ZenPDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | — |
| Size | 2 MB | 62 MB |
| Requires iOS | 26.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taylor Drew](https://appshunter.io/developer/1834365570) | [Haileslassie Lilay Desalegn](https://appshunter.io/developer/1841785547) |

## What reviewers say

### Open Micer Timer

[App page](https://appshunter.io/ios/app/open-micer-timer/id6756205253)

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

**In-app purchases:** none


### ZenPDF

[App page](https://appshunter.io/ios/app/zenpdf-pdf-tools-and-scanner/id6785234912)

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

**In-app purchases:** none


## Frequently asked questions

### Is Open Micer Timer free?

Open Micer Timer is free to download, with no in-app purchases.

### Is ZenPDF free?

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

### Do Open Micer Timer or ZenPDF have ads?

ZenPDF shows ads; Open Micer Timer 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.*