MyFathom vs Dive Exporter
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
MyFathom
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The MyFathom app is the companion app for Fathom CCR divers with everything you need to support your rebreather diving. Features: - Build checklist - O2 cell performance monitoring - Dive log - Certification cards
Dive Exporter
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Dive Exporter lets you download dives from your Bluetooth (BLE) dive computer, view detailed dive profiles with charts, and export them in the standard UDDF format β without committing to a full logbook app. If you've ever wanted to: β’ Pull dives off your computer without installing the vendor's app β’ Move data between logging tools β’ Keep your own portable UDDF archive β’ Manage and download dives from multiple devices β¦this is built for exactly that. KEY FEATURES β’ Connect over Bluetooth (BLE) β Shearwater, Halcyon, Mares, Seac, and many other supported brands β’ Visualize your dives with a detailed profile chart, including depth, temperature, NDL, PO2, CNS, and decompression info β’ Full download, plus Smart download for incremental syncs β only new dives are pulled β’ Export to UDDF, the open dive data standard β single dive or bulk β’ Manage multiple devices with custom names β’ Metric or imperial units, with per-unit overrides β’ Bulk delete when you want to clean things up WHAT THIS APP IS NOT Dive Exporter is not a dive logbook. It does not try to replace Subsurface, MacDive, or whatever logging tool you already use. It does not store buddies, dive sites, ratings, or photos. Its job is narrower and more reliable: get dives off your computer and into a portable format you can take anywhere. WHY DIVE EXPORTER EXISTS Most dive logging apps bundle export with a full logbook experience, and most vendor apps lock you into a single ecosystem. Some vendors don't offer any way to export your dives in a standard format. Dive Exporter fills that gap β a clean bridge between your dive computer and whatever workflow you actually want to use.
Screenshots
Verdict
The clearest difference is update cadence: Dive Exporter at every 3 weeks against MyFathom's every 13 months. MyFathom's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MyFathom ships an update every 13 months, Dive Exporter every 3 weeks. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.
| Parameter | MyFathom | Dive Exporter |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 13 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 11.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 35 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | FATHOM Dive Systems, LLC | Simone Carletti |
In-app purchases
MyFathom
No in-app purchases
Dive Exporter
No in-app purchases





