DeepLog: Scuba Dive Log
Logbook, Nitrox Calc & Gear
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Log every dive in seconds: depth, time, gas, buddy and photos. Built-in nitrox calculator, gear service tracking and a map of every site you have dived.
The dive log you will actually use.
Log a dive in seconds: depth, bottom time, gas mix, temperature, visibility, buddy and photos.
Nitrox calculator, gear service tracking, certification cards and a map of every site, all in one clean app.
DeepLog is the cleanest, simplest scuba dive logging app built for divers who actually want to use it — not fight with it.
Whether you're logging your first open water dive or your 500th wreck dive, DeepLog keeps everything organized, beautiful, and fast.
LOG YOUR DIVES
Track everything that matters — depth, bottom time, gas mix, water temp, visibility, buddy, rating, and notes. Your complete dive history, always at your fingertips.
TRACK YOUR GEAR
Never miss a service date again. Log your equipment, track service intervals, and see what's due before your next dive trip.
PRE-DIVE CHECKLIST
Run through your gear checks before every dive. Customize the list, add your own items, and get that all-clear feeling before you hit the water.
CERTIFICATION CARDS
Store photos of your dive certification cards right in the app. Never show up to a dive boat without proof of cert again.
GAS CALCULATOR
Built-in nitrox calculator for Air, EAN32, EAN36, or custom mixes. Instantly calculate PPO2, MOD, EAD, and no-decompression limits.
DIVE SITE MAP (Premium)
See every dive site you've ever visited plotted on a beautiful world map. Watch your underwater world grow with every dive.
DIVE CONDITIONS (Premium)
Check water temperature, swell, waves, wind and gusts at your dive site, plus a 3-day outlook to help you plan your next dive.
BACKUP & RESTORE
Back up your whole log, including every photo, gear item and cert card, to Files, iCloud Drive or email, and restore it on any device.
EXPORT YOUR DATA (Premium)
Export your full dive log as a CSV anytime. Your data is always yours.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Thanks for diving with DeepLog! This update brings:
• Dives stay in date order. Log an older dive and it slots right into place in your logbook.
• Dive Conditions now includes wind gusts and a 3-day outlook to help you plan.
• Backups now handle huge photo collections, and older backups still restore.
• Premium prices are shown in your local currency.
• Your dive entry is saved if you stop to upgrade mid-log.
• Clearer messages if anything ever fails to save.
• The tab bar fits better on Face ID iPhones, and the app looks right in Light and Dark Mode.
• Back buttons on the Gas Calculator and Premium screens.
The developer, Steven Saccio Photography LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Steven Saccio Photography LLC
- Size
- 45.2 MB
- Category
- Sports
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- DeepLog Premium $1.99
- Copyright
- © 2026 Steven Saccio Photography LLC