Comparison

Dive Log Book vs Z dive log

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

Head to head
About

Dive Log Book

Easily import and manage your dive profiles from compatible dive computers or manually log your dives. Access global dive weather conditions and a photo library of marine life for an enhanced diving experience.

Highlights
  • Import dive profiles from SmartTRAK/DataTRAK
  • Transfer data from SCUBAPRO UWATEC computers
  • Manual dive logging
  • Photo library of marine life
  • Global dive weather conditions
  • Educational tool for divers
Features
Read full description

Dive Log Book, developed by DNA BLU, allows you to import and display dive profile data from SmartTRAK and DataTRAK files from your PC, transferring them to your iPhone. This application allows divers to transfer and carry dive data from all dives recorded using SCUBAPRO UWATEC dive computers (Aladin, Smart and Galileo series). It also lets you manually insert dives on your iPhone. A photo library is also accessible, including various fish, corals and nudibranch images, resulting in an ideal educational tool for all levels of divers. This application also makes specific dive weather conditions easily accessible, including temperatures, winds, wave heights & lengths for the entire globe. This data is courtesy of NOAA, usno.navy.mil and the “Lamma Consortium of the Regione Toscana”.

About

Z dive log

Easily manage your SCUBAPRO Z1 dive computer logs and settings. Download dive data via Bluetooth, add details like location and photos, and configure your dive computer's preferences.

Highlights
  • Download dive logs via Bluetooth
  • Enter and edit dive log details
  • Add photos to dive logs
  • View dive statistics at a glance
  • Configure Z1 dive computer settings
  • Save and share depth graph images
Read full description

With "Z dive log" and "SCUBAPRO Diving Computer Z1" you can enjoy diving log management and Z1 settings easily. You can download Z1's diving log data via Bluetooth and you can enter the diving point, weather etc on the smartphone. ● Download dive logs Tap the upper right "Download" button of Z dive log then set your Z1 to Bluetooth Mode "ON", Z dive log automatically start downloading dive logs. If the "Download button is not displayed, tap the "Dive Log" button at the bottom of the display. Downloaded logs are displayed in the Dive Log List and you can check log list by swiping. On the Dive Log List screen, you can check the total dive times, total dive time, maximum water depth and maximum dive time etc at a glance, and you can tap each log to see the details. - List of Z1 log items that can be downloaded by Z dive log Date Start time End time Depth Graph* Max. Depth Avg. Depth Max. Depth Temp O2 Indicator N2 Indicator Warnings * Depth graph is created automatically. ● Checking, entering, and correcting dive log details You can enter the log details when you tap each log from Dive Log List. You can fill in the same way as the paper log book, such as Location, Spot, photos, tanks, exposure protection, sea condition, buddy/instructor and comments. If you attach a photo, the photo will be displayed on the Dive Log List screen and you can enjoy a colorful logbook. You can put 3 photos, main photo, instructor photo and buddy photo in one log. - List of items that can be input / modified in Z dive log Location Location Spot Entry Dive Log Date Start time End time Depth Graph Max. Depth Avg. Depth Min Temp O2 Indicator N2 Indicator Warnings Photo Tank Tank Material Gas Tank Capacity Start Pressure End Pressure Exposure Protection Suit Glove Boot Hood Inner Weight Sea Condition Weather Temperature Surface Temperature Bottom Temperature Visibility Wave Height Current Surge Wind Direction Wind Speed Buddy/Instructor Instructor Instructor No. Instructor Photo Buddy Buddy Photo Comments ● Saving the Depth Graph Image Tap the image of the depth graph on the log detail screen to save the depth graph image. You can upload the saved image to SNS or check on the PC. ●Tap the "Z1 Setting Change" tab at the bottom of the screen. On the Z1 Setting Change screen, you can set Basic Configuration, Dive Setting, Alarm Setting, Timer Setting, Configuring Time and Date Settings and World Time. You can change the Z1 settings from Z dive log. Tap the "Reading" button at the top right of the screen and tap the CONNECT button. Set your Z1 to Bluetooth Mode and press PLAN button once to change Bluetooth state "ON". Starts connection and reads the Z1 settings. After reading, you can change Z1 settings from Z dive log. Change the item you want to change and tap the "Writing" button and set your Z1 to Bluetooth Mode "ON", the Z1 settings are changed. -Z dive log Setting · Support menu list App Settings App color scheme Restore deleted Dive Log Items of Log display Tank Exposure Protection Sea Condition Buddy/Instructor Photo Unit Depth Temperature Pressure Volume Weight Log Data Export About Z dive log Web manual Introducing app to friends Write a review on the app store ● Export Log data CSV Choose the Export menu from the Settings / Support menu. A confirmation message will be displayed. Save the CSV data to the destination you want to save. You can check the saved CSV data on the PC.

Screenshots

Dive Log Book4 screens
Z dive log4 screens

Verdict

The call

The clearest difference is rating: Z dive log at 5.0 against Dive Log Book's 1.3. Z dive log also leads on review sentiment (58% vs 19%). Dive Log Book's advantage is device support (3 vs 1) and ratings volume (3 vs 1). On price, update cadence, ads and in-app purchases 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

Z dive log holds the better App Store score, 5.0 against 1.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 19% of Dive Log Book's written reviews are positive against 58% of Z dive log's.

UpkeepUpdate frequency

Dive Log Book ships an update every 5 months, Z dive log every 4 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Dive Log Book versus Z dive log: the parameters behind the verdict, then further details
ParameterDive Log BookZ dive log
PriceFreeFree
Rating1.3 (3 ratings)5.0 (1 ratings) — better
Positive reviews18.5% of reviews58.3% of reviews — better
Number of ratings3 — better1
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS8.0 — better16.0
Further details — not scored
Size28 MB40 MB
Age rating4+4+
DeveloperMassimiliano PetrucciSCUBAPRO ASIA LTD.

Customer experience

Dive Log Book

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews27 reviews
Positive18.5%
Neutral3.7%
Negative77.8%

Z dive log

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive58.3%
Neutral16.7%
Negative25.0%

In-app purchases

None

Dive Log Book

No in-app purchases

None

Z dive log

No in-app purchases

Questions

Is Dive Log Book free?
Dive Log Book is free to download, with no in-app purchases.
Is Z dive log free?
Z dive log is free to download, with no in-app purchases.
Which has better reviews, Dive Log Book or Z dive log?
Z dive log is rated higher. Dive Log Book averages 1.3 out of 5 from 3 ratings, while Z dive log averages 5.0 from 1 ratings.
Do Dive Log Book or Z dive log have ads?
Neither Dive Log Book nor Z dive log shows ads.
Which is updated more often, Dive Log Book or Z dive log?
Dive Log Book ships an update every 5 months, and Z dive log every 4 months. Most recently, Dive Log Book was updated on October 21, 2026 and Z dive log on October 24, 2026.

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