Diver Tools vs MyFathom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diver Tools
This app is a comprehensive dive planning tool for technical and rebreather divers. It offers customizable checklists, offline calculations for gas mixes and decompression, and historical data tracking for rebreather cells. Ensure safety and preparedness with this essential companion for every dive.
- Customizable dive checklists
- Offline dive calculations
- Rebreather cell historical readings
- Cave conditions reporting
- Equipment safety checks
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Experience the ultimate dive companion with Dive Genius! Designed for rebreather and technical divers, this app revolutionizes the way you prepare for your dives, ensuring safety and convenience every step of the way. Customizable Checklists: Say goodbye to paper-based checklists! Dive Genius allows you to create personalized checklists tailored to your specific needs. From equipment packing to dive plans, you can easily organize and manage all the essential details in one place. Now you control the order of checklist displays! No more relying on memory or risking incomplete preparations. Offline Calculations: Dive sites without internet access? No problem! Dive Genius comes equipped with a built-in calculator, empowering you to perform essential dive calculations even without an internet connection. From gas mixes to decompression stops, have all the vital calculations at your fingertips. Safety and Equipment Confidence: Ensure your dive equipment meets the highest standards with Dive Genius. Set your personal limits and rely on the app's checklists to avoid compromising situations with marginal equipment. Dive with confidence, knowing that you are fully prepared and equipped for a safe and enjoyable dive. Historical Cell Readings: For rebreather divers, Dive Genius offers unparalleled insights. Keep track of your rebreather cells' performance by reviewing the last four historical readings plus store vendor and lot details. Detect any unexpected changes and make informed decisions based on accurate data. Stay ahead of the curve and dive with peace of mind. Now with the ability to store 3, 4, 5 or 6 cells! Cave Conditions: See and report on the latest conditions in the caves! Don't miss out on the must-have app for tech divers and rebreather enthusiasts. Experience the convenience, safety, and reliability of Dive Genius today!
MyFathom
This app supports rebreather divers by providing tools for building checklists, monitoring O2 cell performance, logging dives, and storing certification cards. It's designed to be a comprehensive companion for technical diving needs.
- Build custom checklists
- Monitor O2 cell performance
- Log dive data
- Store certification cards
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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
Screenshots
Verdict
The clearest difference is price: MyFathom at Free against Diver Tools's $9.99. MyFathom also leads on ads (none vs shown) and device support (3 vs 1). Diver Tools's advantage is update cadence (every 5 weeks vs every 13 months). On rating, ratings volume and in-app purchases 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
MyFathom is free to download; Diver Tools costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Diver Tools against 5.0 for MyFathom. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Diver Tools ships an update every 5 weeks, MyFathom every 13 months. Both last shipped on November 3, 2026.
| Parameter | Diver Tools | MyFathom |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 weeks — better | Every 13 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Gibby | FATHOM Dive Systems, LLC |
In-app purchases
Diver Tools
No in-app purchases
MyFathom
No in-app purchases
