
Thalos
Professional Dive Tools
About
This comprehensive dive app offers a robust dive logbook, detailed dive site information with emergency plans, and multiple dive calculators. It includes features for instructors to manage students and courses, and a social feed for divers to connect and share experiences. The app works fully offline, ensuring critical data is always accessible.
What's New in Thalos
1.3.8
June 20, 2026
Build fixes and additional features
Subscription plans
Thalos
Full access to all Thalos features
FAQ
What is Thalos?
Thalos is a comprehensive dive application designed for serious divers and instructors. It offers features like a dive logbook, dive site information with emergency plans, and various dive calculators, all of which can be used offline.
Does Thalos work offline?
Yes, Thalos is designed to work fully offline. This ensures that critical data such as your dive logbook, dive site information, emergency plans, and calculators are accessible even without an internet signal.
What dive calculators are included in Thalos?
Thalos includes 9 dive calculators, such as a Bühlmann ZHL-16C decompression planner with gradient factors, a gas planner and gas blending tool, SAC rate calculator, turn pressure calculator, weight calculator, dive tables, unit converter, and altitude diving calculator.
Can instructors use Thalos?
Yes, Thalos features an instructor module. This allows instructors to manage students, run courses using 26 built-in templates, track skill sign-offs, generate paperwork, and issue certifications.
How much does Thalos cost?
Thalos requires a subscription after a 1-month free trial. The subscription costs $2.99 per month or $19.99 per year.
What devices does Thalos support?
Based on the provided data, Thalos supports iPhones and iPods. It is rated for ages 4 and up.
How often is Thalos updated?
The latest version of Thalos is 1.3.8, and it was last updated on June 20, 2026. This suggests a relatively active update schedule.
Does Thalos have ads?
No, Thalos does not contain advertisements. The app is free to download and offers a subscription for full access to its features.









