# CS PDF Editor vs Gas Watch

The clearest difference is ads: Gas Watch at none against CS PDF Editor's shown. Gas Watch also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (14.0 vs 16.0). 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.

CS PDF Editor ships an update every 3 weeks, Gas Watch every 3 days. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | CS PDF Editor | Gas Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (14 ratings)](https://appshunter.io/ios/app/cs-pdf-editor-scanner-app/id6471626000/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 82 MB | 53 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MACROMATRIX (PRIVATE) LIMITED](https://appshunter.io/developer/1820476435) | [Romaine Halstead](https://appshunter.io/developer/1749568386) |

## What reviewers say

### CS PDF Editor

[App page](https://appshunter.io/ios/app/cs-pdf-editor-scanner-app/id6471626000)

This app offers a comprehensive suite of tools for managing documents on iOS devices. It allows users to view, edit, and scan PDFs, convert Word documents to PDF, and add digital signatures. The app aims to enhance productivity and streamline document workflows for professionals and students.

**Highlights:** All Documents and PDF Viewer, Signature Pad, Word to PDF Conversion, PDF Editor and Annotator, Text Recognition Scan, Document Scanner

**In-app purchases:** none


### Gas Watch

[App page](https://appshunter.io/ios/app/gas-watch/id6503622667)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CS PDF Editor free?

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

### Is Gas Watch free?

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

### Do CS PDF Editor or Gas Watch have ads?

CS PDF Editor shows ads; Gas Watch does not.

### Which is updated more often, CS PDF Editor or Gas Watch?

CS PDF Editor ships an update every 3 weeks, and Gas Watch every 3 days. Most recently, CS PDF Editor was updated on November 4, 2026 and Gas Watch on November 8, 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.*