# mmumble vs PDF Expert

The clearest difference is ads: PDF Expert at none against mmumble's shown. PDF Expert also leads on iOS requirement (16.6 vs 18.5). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. mmumble sells 2 in-app purchases, starting at $12.99 per month and PDF Expert sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

mmumble ships an update every 8 days, PDF Expert every 9 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | mmumble | PDF Expert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 9 days |
| Size | 24 MB | 47 MB |
| Requires iOS | 18.5 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Covalet LTD](https://appshunter.io/developer/1896301695) | [泽强 蒲](https://appshunter.io/developer/1505153238) |

## What reviewers say

### mmumble

[App page](https://appshunter.io/ios/app/mmumble-voice-typing/id6766550175)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlimited Monthly | $12.99 | per month |
| unlimited Annual | $69.99 | per year |


### PDF Expert

[App page](https://appshunter.io/ios/app/pdf-expert-reader-and-editor/id6796615625)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Expert Premium Monthly | $3.99 | per month |
| PDF Expert Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is mmumble free?

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

### Is PDF Expert free?

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

### Do mmumble or PDF Expert have ads?

mmumble shows ads; PDF Expert does not.

### Which is updated more often, mmumble or PDF Expert?

mmumble ships an update every 8 days, and PDF Expert every 9 days. Most recently, mmumble was updated on October 25, 2026 and PDF Expert on October 25, 2026.

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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.*