Comparison

Dive Diary 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

Dive Diary

This app serves as a digital logbook for scuba divers, allowing users to record their dives with a visually appealing, customizable interface. It supports unlimited photo and video attachments, cloud backup, and easy sharing of dive logs.

Highlights
  • Customizable logbook design
  • Unlimited photo/video attachments
  • Cloud backup and restore
  • Cross-device synchronization
  • Social media sharing
  • Import Suunto dive computer logs
  • Export logs to CSV
Features
Read full description

Dive Diary is a scuba diving log book application that looks like a real paper-based log book. Create your own stylish and emotional log book that is easy to use. Features • Full-view screen design and easy-to-use interface. • Provision of beautiful ocean scenery and moving fish images for designing your own log book. • You can attach an unlimited number of pictures/videos for each log. • You can very easily backup your log data to our server and restore it just with one touch. • You can keep same logs on all your iOS devices. • You can change the design of your logbook. Dive Diary support 6 color skins, 19 wallpapers, 17 diary inner pages. • You can share screenshot of your logbook to social network service like Facebook, Twitter and so on. • You can import logs in your dive computer through File Sharing of the iTunes. Currently, you can import only Suunto dive computer's logs that are exported as XML file through Suunto DM5. • You can export logs to a CSV format file.

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

Dive Diary4 screens
Scuba Diving Logbook Octologs4 screens

Verdict

The call

The clearest difference is rating: Scuba Diving Logbook Octologs at 4.8 against Dive Diary's 4.0. Dive Diary's advantage is in-app purchases (none vs 14) and ratings volume (19 vs 4). On price, update cadence, 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. Dive Diary asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Scuba Diving Logbook Octologs holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 19 and 4 respectively.

UpkeepUpdate frequency

Dive Diary ships an update every 2 months, Scuba Diving Logbook Octologs every 5 weeks. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
Dive Diary versus Scuba Diving Logbook Octologs: the parameters behind the verdict, then further details
ParameterDive DiaryScuba Diving Logbook Octologs
PriceFreeFree
Rating4.0 (19 ratings)4.8 (4 ratings) — better
Positive reviews90.0% of reviews—
Number of ratings19 — better4
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better16.0
Further details — not scored
Size25 MB88 MB
Age rating4+4+
DeveloperGoanmook ChoiBENJAMIN MAHR

Customer experience

Dive Diary

All ratings19 ratings
Positive78.9%
Neutral10.5%
Negative10.5%
Written reviews30 reviews
Positive90.0%
Neutral6.7%
Negative3.3%

Scuba Diving Logbook Octologs

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

In-app purchases

None

Dive Diary

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 Dive Diary free?
Dive Diary 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, Dive Diary or Scuba Diving Logbook Octologs?
Scuba Diving Logbook Octologs is rated higher. Dive Diary averages 4.0 out of 5 from 19 ratings, while Scuba Diving Logbook Octologs averages 4.8 from 4 ratings.
Do Dive Diary or Scuba Diving Logbook Octologs have ads?
Neither Dive Diary nor Scuba Diving Logbook Octologs shows ads.
Which is updated more often, Dive Diary or Scuba Diving Logbook Octologs?
Dive Diary ships an update every 2 months, and Scuba Diving Logbook Octologs every 5 weeks. Most recently, Dive Diary was updated on October 29, 2026 and Scuba Diving Logbook Octologs on October 7, 2026.

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