Comparison

DeeperBlue.com vs Scuba Diving Logbook Octologs

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DeeperBlue.com

Stay informed about freediving, scuba diving, ocean advocacy, and diving travel with daily news, in-depth articles, and unbiased reviews. Access ultimate guides, watch videos, and engage with a passionate community.

Highlights
  • Daily diving journalism
  • Live news notifications
  • In-depth feature articles
  • Ultimate diving guides
  • Video of the Week
  • Community comments and sharing
  • Searchable archives
Features
Read full description

Get the latest breaking news daily, comprehensive in-depth articles, unbiased reviews, and regular features on Freediving, Scuba Diving, Ocean Advocacy, and Diving Travel via the official DeeperBlue.com app. DeeperBlue.com is one of the premier online destinations for divers. Founded in 1996 we have a thriving community built around those passionate about the underwater world. DeeperBlue.com is far more than just a simple dive blog or forum – the site has strong editorial feature articles, daily news on diving, a thriving forum, user-submitted photo galleries, and a global social media presence. Some features of the new DeeperBlue.com App are: • Access the full range of daily DeeperBlue.com diving journalism, specially designed for your iPhone or iPad • Stay up to date with live news with notifications • In-depth features covering Freediving, Scuba Diving, Ocean Advocacy, and Diving Travel • Check out our ultimate guides to diving including our Beginner Guides and Top Dive Sites of the World • Watch our Video of the Week directly in the app. • Receive notifications and alerts to stay informed on the underwater world • Choose what you are interested in • Read comments on articles and share your own thoughts • Share stories by email, Whatsapp, and your favorite social media app • Search our extensive archives directly in the app. This app is totally free to download and use.

About

Scuba Diving Logbook Octologs

Log your scuba diving adventures with detailed stats, photos, and dive buddy connections. Explore your dive history on a global map and analyze performance with advanced analytics. Works offline and syncs automatically.

Highlights
  • 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
Features
Read full description

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.

Screenshots

DeeperBlue.com4 screens
Scuba Diving Logbook Octologs4 screens

Verdict

The call

The clearest difference is in-app purchases: DeeperBlue.com at none against Scuba Diving Logbook Octologs's 14. DeeperBlue.com also leads on ratings volume (61 vs 4) and iOS requirement (11.0 vs 16.0). Scuba Diving Logbook Octologs's advantage is update cadence (every 5 weeks vs every 3 months). On price, rating, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Scuba Diving Logbook Octologs sells 14 in-app purchases, starting at $1.00 per month. DeeperBlue.com asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for DeeperBlue.com against 4.8 for Scuba Diving Logbook Octologs. That said, the two scores are not equally well evidenced: DeeperBlue.com has 61 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

DeeperBlue.com ships an update every 3 months, Scuba Diving Logbook Octologs every 5 weeks. The most recent releases landed on September 5, 2026 and June 3, 2026 respectively.

Scorecard5 real differences · 5 level
DeeperBlue.com versus Scuba Diving Logbook Octologs: the parameters behind the verdict, then further details
ParameterDeeperBlue.comScuba Diving Logbook Octologs
PriceFreeFree
Rating4.8 (61 ratings) — better4.8 (4 ratings)
Positive reviews100.0% of reviews—
Number of ratings61 — better4
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better16.0
Further details — not scored
Size34 MB88 MB
Age rating17+4+
DeveloperDeeperBlue.comBENJAMIN MAHR

Customer experience

DeeperBlue.com

All ratings61 ratings
Positive98.4%
Neutral0.0%
Negative1.6%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Scuba Diving Logbook Octologs

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

DeeperBlue.com

No in-app purchases

14 purchases

Scuba Diving Logbook Octologs

Subscriptions13
  • Pro Subscription14 Days trial$1.001 Month
  • Pro Subscription$4.001 Month
  • Pro Subscription14 Days trial$4.901 Month
Show 10 more
  • Basic7 Days trial$4.991 Month
  • Pro14 Days trial$9.001 Month
  • Premium1 Month trial$9.991 Month
  • Pro Subscription14 Days trial$10.001 Year
  • Ultimate1 Month trial$14.991 Month
  • Pro Subscription14 Days trial$49.901 Year
  • Basic7 Days trial$49.991 Year
  • Pro14 Days trial$90.001 Year
  • Premium1 Month trial$99.991 Year
  • Ultimate1 Month trial$149.991 Year
One-time1
  • 100 logbook entries$10.00

Questions

Is DeeperBlue.com free?
DeeperBlue.com is free to download, with no in-app purchases.
Is Scuba Diving Logbook Octologs free?
Scuba Diving Logbook Octologs is free to download, with in-app purchases available.
Which has better reviews, DeeperBlue.com or Scuba Diving Logbook Octologs?
DeeperBlue.com is rated higher. DeeperBlue.com averages 4.8 out of 5 from 61 ratings, while Scuba Diving Logbook Octologs averages 4.8 from 4 ratings.
Do DeeperBlue.com or Scuba Diving Logbook Octologs have ads?
Neither DeeperBlue.com nor Scuba Diving Logbook Octologs shows ads.
Which is updated more often, DeeperBlue.com or Scuba Diving Logbook Octologs?
DeeperBlue.com ships an update every 3 months, and Scuba Diving Logbook Octologs every 5 weeks. Most recently, DeeperBlue.com was updated on September 5, 2026 and Scuba Diving Logbook Octologs on June 3, 2026.

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