Log, track & share your scuba dives with Octologs! Stunning dive cards, global stats & achievements — 14-day free trial. Dive in today!

Track every dive, analyze your progress, and share underwater memories with the diving community. Works seamlessly with PADI, SSI, NAUI, CMAS and all certification agencies.
Join thousands of divers who've made Octologs their trusted companion for documenting underwater adventures. Our comprehensive logbook transforms how you track, analyze and share your diving journey.

COMPLETE DIVE LOGGING
Record everything that matters including GPS coordinates, depth profiles, bottom time, air consumption, water temperature, visibility, and equipment used. Add photos and personal notes to preserve every underwater moment. Works offline at remote dive sites with automatic sync when connected.

POWERFUL ANALYTICS
Monitor your diving performance with detailed statistics including SAC rate calculations, air usage trends, and depth versus time profiles. Track your progress with our achievement system and see your diving evolution over time.

CONNECT WITH DIVE BUDDIES
Expand your diving network by scanning QR codes to instantly connect with friends. Share dive logs, plan future trips together, and stay connected through in-app messaging. Create beautiful dive cards perfect for social sharing.

VISUAL DIVE MAPPING
See your global diving story on an interactive world map. Every logged dive becomes a pin on your personal diving map, making it easy to revisit favorite sites and plan new adventures.

SECURE AND RELIABLE
Your diving history is protected with GDPR-compliant cloud storage and regular automatic backups. Sign in with Apple or Google for secure access across all your devices.

MULTILINGUAL SUPPORT
Available in 17 languages including English, German, French, Spanish, Portuguese, Italian, Greek, Arabic, Hindi, Japanese, Korean, Russian, Turkish, Vietnamese, Chinese, Javanese, and Slovenian.

PRO FEATURES
Unlock unlimited dive logs, unlimited photo uploads, and advanced sharing capabilities. Start with a 14-day free trial to experience everything Octologs Pro offers.

Whether you're logging your first open water dive or your thousandth technical dive, Octologs adapts to your needs. Download now and transform how you document your underwater world.