Comparison

Diving Log vs Dive Shearwater

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

Head to head
About

Diving Log

This app serves as a customizable digital logbook for scuba divers. It allows users to record detailed dive information, including depth, time, location, and environmental conditions. Users can also add photos, instructor signatures, and export logs for social sharing.

Highlights
  • Customizable dive logbook
  • Record dive details (depth, time, temp)
  • Map dive point locations
  • Add photos and instructor signatures
  • Export logs to social media
  • Graph display of depth intervals
Features
Read full description

TUSA Diving LOG is a diving logbook app, which enables you to upload log data from TUSA IQ1204 DC Solar Link to your smartphone using Bluetooth® SMART. The TUSA Diving LOG App has many customizable functions to record the details of your dive. Information such as entry time, exit time, dive time, maximum water depth, average water depth, water temperature, air consumption, and much more can be recorded. Customize your dive log by recording dive point locations using maps, add photos, and capture signatures from an instructor. In addition, detailed water depth and warning information can be recorded at intervals, and uploaded to your app. Also you can easily export dive log information as images to share on Facebook, Twitter, or other social media. TUSA Diving LOG can be used independently of TUSA IQ1204 DC Solar link to record basic log information. --TUSA Diving LOG-- • Featuring: - Customizable scuba diving log book (create, edit, and browse log history) - Graph display of depth intervals - Record dive point locations using maps - Export log information as an image to share on social media - Dive instructor verification signature - Ability to toggle ON/OFF all menu display items • Information Recording: - Maximum Water Depth (including graph display and current time) - Average Water Depth - Total Bottom Time (including Entry and Exit Time) - Date - Location - Dive Points (Map Display) - Entry Point (Boat or Beach) - Residual Pressure Start and End Time - Air Consumption - Weather - Wave Height - Current - Wind - Water Temperature - Lowest Water Temperature - Visibility - Gas Type - Cylinder Type & Volume - Safety Factors: N2 & O2 Indicators - Ascent Rate Warning - Decompression Dive Warning - Decompression Depth Warning - PO2 warning - O2 warning - Maximum Depth Alarm - M Value Warning - Weight - Instructors Name - Instructor Verification Signature - Buddy Name - Memo • Creating a New Dive Log with TUSA Diving LOG App - Press the “New Log” button on the home screen to create your new dive log. • How to Pair TUSA IQ1204 DC Solar Link with DiveLog App - When you create a new dive, first press the blue “Link with DC Solar” button on top in order to pair your TUSA IQ1204 DC Solar Link. Press the “Start Search” button displayed at the bottom of the screen. Make sure to follow all instructions on the screen in order to successfully upload your dive log information in the Diving LOG app.

About

Dive Shearwater

This app serves as a digital dive log, allowing divers to meticulously record their underwater adventures. It features interactive maps to track explored locations and integrates with specific hardware to automatically capture dive site coordinates. Designed for simplicity and reliability, it helps divers organize records and plan future dives.

Highlights
  • Interactive dive maps
  • Automatic dive site coordinate capture
  • Streamlined user experience
  • Dive history tracking
  • Gear setup refinement
  • Dive planning tools
Features
Read full description

The world is your dive log. Built for simplicity and reliability, Dive Shearwater gives you the tools you need now and the foundation for even more powerful features in the future. More than just another dive log - With an improved user flow and streamlined experience, Dive Shearwater feels intuitive and easy to use. Keep your records organized and focus on the details that matter most to every diver. Track your adventures - Use the interactive dive maps to build your own personal guide of the places you’ve explored. Automatically capture dive site coordinates with the new Swift GPS transmitter on any air integrated Shearwater computer. Whether you're marking new dive sites, refining your gear setup, or simply keeping your dive history pristine, Dive Shearwater delivers a seamless, intuitive experience tailored for divers of all skill levels who value precision and adventure. Together, Shearwater dive computers and the Dive Shearwater app form a complete ecosystem—delivering precision in the water and clarity on land. Dive Shearwater builds on our core principles of being powerful, simple and reliable, while giving you the dive tools you need to track, reflect, and plan your next adventure with confidence.

Screenshots

Diving Log4 screens
Dive Shearwater4 screens

Verdict

The call

The clearest difference is review sentiment: Diving Log at 50% against Dive Shearwater's 8%. Diving Log also leads on rating (2.0 vs 1.5). Dive Shearwater's advantage is update cadence (monthly vs every 9 months) and ratings volume (45 vs 3). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Diving Log holds the better App Store score, 2.0 against 1.5. That said, the two scores are not equally well evidenced: Dive Shearwater has 45 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Diving Log's written reviews are positive against 8% of Dive Shearwater's.

UpkeepUpdate frequency

Diving Log ships an update every 9 months, Dive Shearwater monthly. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

Scorecard5 real differences · 5 level
Diving Log versus Dive Shearwater: the parameters behind the verdict, then further details
ParameterDiving LogDive Shearwater
PriceFreeFree
Rating2.0 (3 ratings) — better1.5 (45 ratings)
Positive reviews50.0% of reviews — better8.0% of reviews
Number of ratings345 — better
Update frequencyEvery 9 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size22 MB103 MB
Age rating4+17+
DeveloperTABATA CO.,LTD.Shearwater Research

Customer experience

Diving Log

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Dive Shearwater

All ratings45 ratings
Positive4.4%
Neutral8.9%
Negative86.7%
Written reviews50 reviews
Positive8.0%
Neutral8.0%
Negative84.0%

In-app purchases

None

Diving Log

No in-app purchases

None

Dive Shearwater

No in-app purchases

Questions

Is Diving Log free?
Diving Log is free to download, with no in-app purchases.
Is Dive Shearwater free?
Dive Shearwater is free to download, with no in-app purchases.
Which has better reviews, Diving Log or Dive Shearwater?
Diving Log is rated higher. Diving Log averages 2.0 out of 5 from 3 ratings, while Dive Shearwater averages 1.5 from 45 ratings.
Do Diving Log or Dive Shearwater have ads?
Neither Diving Log nor Dive Shearwater shows ads.
Which is updated more often, Diving Log or Dive Shearwater?
Diving Log ships an update every 9 months, and Dive Shearwater monthly. Most recently, Diving Log was updated on September 21, 2026 and Dive Shearwater on September 19, 2026.

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