Comparison

Diving Log 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

Diving Log

Record your scuba diving activities, including dive data, weather conditions, and photos. Create visual "DiveLines" of your underwater experiences and share them with friends. An optional add-on allows for additional features and ad removal.

Highlights
  • Logbook and DiveLine creation
  • Location tracking for dives
  • CSV and image file export
  • Map view of dive locations
  • Record dive data and weather
  • Add photos to DiveLines
Features
Read full description

"DivingLog" is a Scuba Diving LogBook app for smartphones and tablets. Have you thought that you want to record the activity in the water when writing a logbook of scuba diving? For example, Record of practice of neutral buoyancy, Record of fishes you met, etc... You will be able to create "DiveLine" in addition to the LogBook by "DivingLog". "DiveLine" is a record of activities and photos in water. You can create an image file of the "LogBook" and image file of "DiveLine", and you can share those image file with your friends through the SNS, such as facebook and twitter. Ad will appear in the app, but you can hide Ad by having you purchase the add-on. ■Main function of App 1. Creating, editing and viewing of Scuba Diving LogBook and DiveLine. 2. Creating, editing and viewing of Scuba Diving LogBook and DiveLine with location information. 3. CSV file output of the Scuba Diving LogBook and DiveLine. 4. Image file output of the Scuba Diving Log Book and DiveLine. 5. List of pictures recorded. 6. Map that displays the Scuba Diving LogBook. ■List of items that can be recorded 1. Base Info ・Date ・Area ・Point ・Type ・Location Information 2. Dive Data ・Entry ・Exit ・DiveTime(Auto calculation) ・Enyry Air ・Exit Air ・Consume(Auto calculation) ・Average Depth ・Max Depth 3. Weather Data ・Weather ・Temperature ・Water Temperature ・Visibility ・Wave ・Current ・Swell ・Wind Direction ・Wind 4. Equipment Data ・Suit ・Suit Thickness ・Tank ・Gus Type *need add-on. ・Weight 5. Buddy Data ・Leader ・Buddy ・Instructor 6. Record of activity in the water "DiveLine" ・Entry/Exit Time ・Note ・Photo 7. Other ・Instructor Sign ・Handwritten Notes ・Free Memo *need add-on. ■How to Create Scuba Diving LogBook 1. Create Scuba Diving LogBook If you want to create a new LogBook, please press the "New LogBook" button in Home Screen. 2. Create Scuba Diving LogBook with location information. If you want to create a new Log Book with location information, please press the "New LogBook with GPS" button in Home Screen. if you create a new Log Book in this way in the beach or on the boat before entry, it saves you from having to manually set the location information at a later time.

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

Diving Log4 screens
Z dive log4 screens

Verdict

The call

The clearest difference is rating: Z dive log at 5.0 against Diving Log's 4.0. Z dive log also leads on in-app purchases (none vs 1) and ads (none vs shown). Diving Log's advantage is device support (3 vs 1). On price, review sentiment, ratings volume and update cadence 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. Diving Log sells 1 one-off in-app purchase. Z dive log asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Z dive log holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 55% of Diving Log's written reviews are positive against 58% of Z dive log's.

UpkeepUpdate frequency

Diving Log ships an update every 2 months, Z dive log every 4 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard5 real differences · 5 level
Diving Log versus Z dive log: the parameters behind the verdict, then further details
ParameterDiving LogZ dive log
PriceFreeFree
Rating4.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews54.5% of reviews58.3% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 2 months — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.0
Further details — not scored
Size5 MB40 MB
Age rating4+4+
DeveloperTAIKI HIRATASCUBAPRO ASIA LTD.

Customer experience

Diving Log

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews22 reviews
Positive54.5%
Neutral13.6%
Negative31.8%

Z dive log

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

In-app purchases

1 purchases

Diving Log

One-time1
  • Additional Function (Old Ad Hide)$4.99
None

Z dive log

No in-app purchases

Questions

Is Diving Log free?
Diving Log is free to download, with in-app purchases available.
Is Z dive log free?
Z dive log is free to download, with no in-app purchases.
Which has better reviews, Diving Log or Z dive log?
Z dive log is rated higher. Diving Log averages 4.0 out of 5 from 2 ratings, while Z dive log averages 5.0 from 1 ratings.
Do Diving Log or Z dive log have ads?
Diving Log shows ads; Z dive log does not.
Which is updated more often, Diving Log or Z dive log?
Diving Log ships an update every 2 months, and Z dive log every 4 months. Most recently, Diving Log was updated on November 6, 2026 and Z dive log on November 2, 2026.

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