# Mach Write vs docViewer

The clearest difference is price: Mach Write at Free against docViewer's $0.99. Mach Write also leads on update cadence (every 10 months vs every 38 months). docViewer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Mach Write is free to download; docViewer costs $0.99 up front. Mach Write sells 1 one-off in-app purchase. docViewer asks for nothing beyond the download.

Mach Write ships an update every 10 months, docViewer every 38 months. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Mach Write | docViewer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mach-write/id787242110/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 45.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 months** | Every 38 months |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 1 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mach Software Design](https://appshunter.io/developer/327826899) | [Gianluca Natalini](https://appshunter.io/developer/348380792) |

## What reviewers say

### Mach Write

[App page](https://appshunter.io/ios/app/mach-write/id787242110)

This app offers robust editing and viewing capabilities for RTF, TXT, and PDF files across iOS and macOS. It features iCloud synchronization, syntax highlighting for code formats, and PDF annotation tools.

**Highlights:** iCloud document synchronization, RTF Read/Write support, TXT and code format Read/Write with syntax highlighting, PDF Creation, Viewing, and Editing, Freehand PDF writing on iOS, DOC and DOCX viewing on iOS

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### docViewer

[App page](https://appshunter.io/ios/app/docviewer/id929695565)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mach Write free?

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

### Is docViewer free?

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

### Do Mach Write or docViewer have ads?

Mach Write shows ads; docViewer does not.

### Which is updated more often, Mach Write or docViewer?

Mach Write ships an update every 10 months, and docViewer every 38 months. Most recently, Mach Write was updated on September 10, 2026 and docViewer on September 7, 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.*