# Scuba Diving Logbook Octologs — Divelogs for PADI SSI & NAUI > Scuba diving logbook and dive tracker with analytics and community features. (iPhone/iPad app by BENJAMIN MAHR.) - Source: https://appshunter.io/ios/app/scuba-diving-logbook-octologs/id6449296808 (this page in markdown: same URL + `.md`) - Developer: [BENJAMIN MAHR](https://appshunter.io/developer/1688567342) - Category: Sports, Travel - Price: Free with in-app purchases - Rating: 4.75/5 from 4 App Store ratings - Age rating: 4+ - Requires: iOS 16.0 · 88 MB - Languages: Arabic, English, French, German, Greek, Hindi, Italian, Japanese, Javanese, Korean and 7 more - Released: 2023-07-17 - Data updated: 2026-06-03 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/scuba-diving-logbook-octologs/id6449296808/reviews.md ## What is Scuba Diving Logbook Octologs? The ultimate scuba diving logbook and dive tracker for PADI, SSI, NAUI, and CMAS certified divers. Log every underwater adventure, analyze diving stats, and connect with your dive buddy community. Join thousands of divers who trust Octologs as their comprehensive diving logbook tracker. Transform how you log, chart, and share your scuba diving journey with powerful analytics and seamless dive buddy connections. COMPLETE DIVE LOGGING Record every detail including GPS coordinates, depth profiles, bottom time, SAC rate calculations, 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 DIVE ANALYTICS Monitor your scuba diving performance with detailed stat tracking including SAC rate analysis, air consumption charts, and depth versus time profiles. Track progress with our achievement system and see your underwater evolution over time. DIVE BUDDY NETWORK Expand your diving community by scanning QR codes to instantly connect with dive buddies. Share dive logs, plan underwater adventures together, and stay connected through in-app messaging. Create stunning dive cards perfect for social sharing. VISUAL DIVE MAPPING Chart your global diving story on an interactive underwater world map. Every logged dive becomes a pin on your personal diving chart, making it easy to revisit favorite sites and plan new scuba adventures. SECURE AND RELIABLE Your diving logbook history is protected with GDPR-compliant cloud storage and automatic backups. Sign in with Apple or Google for secure access across all your devices. MULTILINGUAL DIVING 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 DIVING FEATURES Unlock advanced scuba diving analytics with detailed stat tracking and performance charts. Upload up to 20 photos per dive log versus 1 photo on the free plan. Connect with unlimited dive buddies per dive log and chat with your diving community through in-app messaging. Start with a 14-day free trial to experience everything Octologs Pro offers for scuba divers. Whether you're logging your first open water dive or your thousandth technical dive, this diving logbook tracker adapts to your underwater needs. Download now and revolutionize how you document your scuba diving world. ## Key features - Complete dive logging with GPS and depth profiles - Advanced dive analytics and performance tracking - Dive buddy network and in-app messaging - Visual dive mapping on an interactive world map - Offline functionality with automatic sync - GDPR-compliant cloud storage and backups ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Pro Subscription | $4.00 | per month | | Pro Subscription | $1.00 | per month | | Pro Subscription | $10.00 | per year | | Pro Subscription | $49.90 | per year | | Pro Subscription | $4.90 | per month | | Ultimate | $149.99 | per year | | Ultimate | $14.99 | per month | | Basic | $4.99 | per month | | Premium | $99.99 | per year | | Premium | $9.99 | per month | | Basic | $49.99 | per year | | Pro | $90.00 | per year | | Pro | $9.00 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 100 logbook entries | $10.00 | one-time | ## Frequently asked questions about Scuba Diving Logbook Octologs ### What certifications does Octologs support? Octologs is designed for PADI, SSI, NAUI, and CMAS certified divers. It allows you to log every detail of your underwater adventures, including GPS coordinates, depth profiles, and equipment used. ### Can I use Octologs offline? Yes, Octologs works offline at remote dive sites. It automatically syncs your logged dives once you reconnect to the internet, ensuring your data is always backed up. ### How does the dive buddy network work? You can connect with dive buddies by scanning QR codes, allowing you to instantly share dive logs and plan future underwater adventures. The app also features in-app messaging to stay connected with your diving community. ### What are the benefits of Octologs Pro? Octologs Pro unlocks advanced analytics, allows uploading up to 20 photos per dive log (compared to 1 on the free plan), and enables connection with unlimited dive buddies. It offers a 14-day free trial. ### What is the pricing for Octologs Pro? Subscription plans for Octologs Pro vary, with options like $1.00/P1M (with a 14-day free trial), $4.00/P1M, and $4.90/P1M (also with a 14-day free trial). There is also a Basic plan at $4.99/P1M with a 7-day free trial. ### How often is Octologs updated? The latest version of Octologs is 1.5.0, last updated on May 29, 2026. This indicates a recent update, suggesting the app is actively maintained. ### What devices does Octologs support? Octologs is available for iPhone and iPod devices. It offers secure access across all your devices through sign-in with Apple or Google. ### Is my dive data secure with Octologs? Yes, your diving logbook history is protected with GDPR-compliant cloud storage and automatic backups. Secure access is provided via sign-in with Apple or Google. ## Version history (last 5 releases) ### 1.5.0 — 2026-05-29 Updates and Improvements ### 1.4.2 — 2025-11-28 Updates and stability improvements. ### 1.4.1 — 2025-10-22 Updates and stability improvements ### 1.4.0 — 2025-09-09 Unlimited Dive Logs on Free Plan Track as many dives as you want! The free plan now supports unlimited dive log entries. Enhanced Pro Features Advanced statistics and messaging features are now exclusively available with Octologs Pro for a premium diving experience. Performance & Stability Improvements Faster loading times and enhanced app stability for smoother dive logging. ### 1.3.6 — 2025-08-25 Performance and stability improvements ## Apps similar to Scuba Diving Logbook Octologs | App | Rating | Price | Category | | --- | --- | --- | --- | | [Mares App](https://appshunter.io/ios/app/mares-app/id1625641063) | 4.2 (19) | Free | Sports | | [Diving Log](https://appshunter.io/ios/app/diving-log/id1091064630) | 2.0 (3) | Free | Sports | | [SCUBAzen : Ocean Dive Prep](https://appshunter.io/ios/app/scubazen-ocean-dive-prep/id6670226301) | — | Free | Sports | | [Subsurface-mobile](https://appshunter.io/ios/app/subsurface-mobile/id1093217161) | 4.5 (46) | Free | Sports | | [DeeperBlue.com](https://appshunter.io/ios/app/deeperbluecom/id894987002) | 4.8 (61) | Free | Sports | | [Diving Log - Scuba Logbook](https://appshunter.io/ios/app/diving-log-scuba-logbook/id829482048) | 4.0 (2) | Free | Sports | ## Related topics [scuba diving logbook octologs](https://appshunter.io/ios/topics/scuba-diving-logbook-octologs) · [scubadivinglogbook](https://appshunter.io/ios/topics/scubadivinglogbook) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*