Thalos is made and published by JOHN WALLIS YOUNGBLOOD. AppBrain is an independent app data site and isn't affiliated with JOHN WALLIS YOUNGBLOOD. The app name, icon, screenshots and description belong to JOHN WALLIS YOUNGBLOOD and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 5.00
- 2 ratings
- Last updated
- September 18, 2026
- Size
- 41.0 MB
It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on the App StoreComments on Thalos for iOS
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Store listing
By JOHN WALLIS YOUNGBLOOD, from the App Store
Description by JOHN WALLIS YOUNGBLOOD Written by the developer, not by AppBrain. Click to read.
DIVE LOGBOOK
Log every dive with depth, time, gas, conditions, marine life sightings, buddy signatures, and photos. Full version history keeps your records safe. Organize dives into trips and track your personal certifications.
DIVE SITES & EMERGENCY PLANS
Access 510+ dive sites with detailed emergency action plans, nearest hyperbaric chambers, and emergency contacts — all stored locally so they're available even without signal.
9 DIVE CALCULATORS
• Bühlmann ZHL-16C decompression planner with gradient factors
• Gas planner and gas blending
• SAC rate, turn pressure, weight calculator
• Dive tables, unit converter, altitude diving
EMERGENCY MODE
One tap gets you to emergency procedures and critical contacts. Works 100% offline.
INSTRUCTOR MODULE
Manage students, run courses with 26 built-in templates, track skill sign-offs, generate paperwork (liability waivers, medical forms, training dives), and issue certifications.
SOCIAL FEED & TANK TAPS
Share your dives, follow other divers, and give Tank Taps — the diver's way of saying nice dive.
COMMUNITY
Discover and post dive classes, trips, and dive centers. Instructors can manage enrollments directly in the app.
SUBSCRIPTION
Thalos requires a subscription after a 1-month free trial. $2.99/month or $19.99/year.
Terms of Use: https://blackflagdivecenter.github.io/Thalos/terms.html
Privacy Policy: https://blackflagdivecenter.github.io/Thalos/privacy.html
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 41.0 MB
- Content rating
- Everyone
Technologies used by Thalos
Releases
Updates seen on the App Store- Version
- 1.3.9 (19)
- Launched
- April 2026
No changelog data
Alternatives
Similar apps and more from JOHN WALLIS YOUNGBLOODAlternatives to Thalos
Rankings
App Store top chartsApp Store Rankings for Thalos
About the app and developer
About Thalos
Thalos is a sports app developed by JOHN WALLIS YOUNGBLOOD.
User Ratings
Thalos is rated 5.00 out of 5 stars. The rating is based on 2 ratings.
App Information
Thalos is freely available from the App Store. The app size is 40.95 MB. The latest version available is 1.3.9 (19). The last update was on September 18, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since April 2026.
Developer information for JOHN WALLIS YOUNGBLOOD
Address:
Frequently asked questions about Thalos
Is Thalos free?
Yes. Thalos is free on the App Store.
Is Thalos still available?
Yes. Thalos is on the App Store, and the last update we saw was on September 18, 2026.
How large is Thalos?
Thalos is 40.95 MB.
Is Thalos suitable for children?
App Store rates the content of Thalos as suitable for everyone.
How do people rate Thalos?
Thalos scores 5.00 out of 5 stars, from 2 ratings on the App Store.
Who made Thalos?
Thalos was developed by JOHN WALLIS YOUNGBLOOD. It is listed in the sports category on the App Store.
What are the best alternatives to Thalos?
People looking at Thalos also look at these sports apps: Puffin - Dive Log, ScubaDen: Dive Log & Planner, Diving Buddy: Dive Log & Plan, Narwhal: Scuba Dive Log, Nitrox Tools.