# Wistapp vs PDF Crush

The clearest difference is ads: PDF Crush at none against Wistapp's shown. PDF Crush also leads on update cadence (every 9 days vs monthly). Wistapp's advantage is iOS requirement (12.0 vs 15.0). 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.

Wistapp ships an update monthly, PDF Crush every 9 days. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Wistapp | PDF Crush |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 9 days** |
| Size | 12 MB | 16 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WEBINSTATS YAZILIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1276200825) | [Mehmet Bayram](https://appshunter.io/developer/1541281376) |

## What reviewers say

### Wistapp

[App page](https://appshunter.io/ios/app/wistapp/id1276200826)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Crush

[App page](https://appshunter.io/ios/app/pdf-crush/id6752559282)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wistapp free?

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

### Is PDF Crush free?

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

### Do Wistapp or PDF Crush have ads?

Wistapp shows ads; PDF Crush does not.

### Which is updated more often, Wistapp or PDF Crush?

Wistapp ships an update monthly, and PDF Crush every 9 days. Most recently, Wistapp was updated on October 26, 2026 and PDF Crush on October 10, 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.*