# ZeitComp vs RedactPDF

The clearest difference is update cadence: ZeitComp at every 3 weeks against RedactPDF's every 2 months. RedactPDF's advantage is price ($0.99 vs $2.99) and iOS requirement (15.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

ZeitComp costs $2.99 and RedactPDF $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ZeitComp ships an update every 3 weeks, RedactPDF every 2 months. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ZeitComp | RedactPDF |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 8 MB | 2 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ralf Preuss](https://appshunter.io/developer/1817966728) | [lee xiaoming](https://appshunter.io/developer/978218329) |

## What reviewers say

### ZeitComp

[App page](https://appshunter.io/ios/app/zeitcomp/id6755034567)

**In-app purchases:** none


### RedactPDF

[App page](https://appshunter.io/ios/app/redactpdf-secure-redaction/id6758568914)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZeitComp free?

ZeitComp costs $2.99, with no in-app purchases.

### Is RedactPDF free?

RedactPDF costs $0.99, with no in-app purchases.

### Do ZeitComp or RedactPDF have ads?

Neither ZeitComp nor RedactPDF shows ads.

### Which is updated more often, ZeitComp or RedactPDF?

ZeitComp ships an update every 3 weeks, and RedactPDF every 2 months. Most recently, ZeitComp was updated on September 21, 2026 and RedactPDF on September 17, 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.*