Retra UWT vs Diver Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Retra UWT
This app connects to compatible flash devices, allowing users to monitor usage statistics, receive firmware updates, and access user manuals. It serves as a comprehensive tool for managing and maintaining your flash hardware.
- Connect to Retra Flash devices
- View usage statistics
- Receive firmware updates
- Access user manuals
- Device management
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The companion App for Retra Flash devices. Connect your Retra Flash via the App, check usage statistics, get firmware updates, access user manuals and more.
Diver Tools
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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!
Screenshots
Verdict
The clearest difference is price: Retra UWT at Free against Diver Tools's $9.99. Retra UWT 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 3 months). On 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
Retra UWT is free to download; Diver Tools costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Retra UWT ships an update every 3 months, Diver Tools every 5 weeks. The most recent releases landed on June 1, 2026 and September 8, 2026 respectively.
| Parameter | Retra UWT | Diver Tools |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 51 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Retra UWT, Ltd. | Michael Gibby |
In-app purchases
Retra UWT
No in-app purchases
Diver Tools
No in-app purchases
