Mach Write vs IsatHub Voice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mach Write
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.
- 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
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**Please visit our website or search for "Mach Write" in the Mac App Store to download the macOS version, only $3.99!** Mach Write is a powerful new RTF, TXT, PDF (Rich Text Format, Plain Text, PDF) Editor and Viewer for iOS and macOS! Featuring full iCloud document synchronization, RTF in multiple styles, sizes, and colors; as well as PDF Viewing/Creating/Annotation; and TXT files in addition to supporting nearly 15 plain text code formats; Mach Write makes it super easy to create in many different formats while still being incredibly powerful! And the best part is Mach Write is free for iOS and only $3.99 (U.S.) on macOS! - iCloud document synchronization; Mach Write keeps all your documents up to date on all your iOS and OS X devices (iPhone, iPad, and Mac) - RTF Read/Write support; easily Create and Edit Rich Text with multiple styles, alignment, font sizes, color, shadows, line spacing, and more -- one of the most popular word processor formats widely compatible across OS X, Windows, and Linux - TXT Read/Write support; as well as HTML/JS/PHP/RB/PL/JAVA/C/H/M/CP/MM Read/Write with Syntax Highlighting support for HTML, Javascript, PHP, Ruby, Perl, Java, C, C++, Objective-C++ and more - PDF Creation, Viewing, Editing; PDF Free-hand writing on iOS -- Create Blank PDFs super easy and draw diagrams, take notes, etc. (Large PDF documents in iCloud, such as large eBooks, are not recommended) - DOC and DOCX Viewing on iOS (DOC/DOCX Read/Write support on OS X) - Export as PDF makes it easy to annotate PDF's for grading papers, making corrections, or signing documents (iOS only) - Revolutionary PDF Magnifer feature makes it super easy to take Notes and automatically save as PDF (iOS only) - Incredibly advanced, yet super easy to use!
IsatHub Voice
This application allows your smart device to make calls and send/receive SMS messages using a satellite network, providing connectivity outside of traditional cellular coverage. It integrates with your device's native contact list and offers call recording and history features.
- Make calls and send SMS over satellite
- Works with IsatHub terminal
- Uses device's native contact list
- Call recording
- Call history
- SMS support
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IsatHub Voice App enables your smart device to make calls and send/receive SMS over Inmarsat’s global satellite network using your IsatHub terminal. The IsatHub service enables your smartphone or tablet to make calls and access internet service outside of cellular or fixed terrestrial coverage. Features: · Ready to use with IsatHub terminal · Contact List and Contact Favorites use your device’s native contact directory · Call recording · Speakerphone, mute and hold functions · Call history with a list of received, missed and dialed calls · SMS support
Screenshots
Verdict
The clearest difference is in-app purchases: IsatHub Voice at none against Mach Write's 1. IsatHub Voice also leads on ads (none vs shown) and update cadence (every 4 months vs every 10 months). On price, rating, ratings volume and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Mach Write sells 1 one-off in-app purchase. IsatHub Voice asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 1.0 for Mach Write against 1.0 for IsatHub Voice. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Mach Write ships an update every 10 months, IsatHub Voice every 4 months. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.
| Parameter | Mach Write | IsatHub Voice |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 1.0 (1 ratings) |
| Positive reviews | 45.8% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 10 months | Every 4 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 136 MB |
| Age rating | 4+ | 4+ |
| Developer | Mach Software Design | Inmarsat Global Limited |
Customer experience
Mach Write
IsatHub Voice
In-app purchases
Mach Write
- Remove Ads$0.99
IsatHub Voice
No in-app purchases
