Diving logbook vs Subsurface
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diving logbook
Easily record your scuba dives with an unlimited logbook. Track dive sites, conditions, equipment, and personal notes. Connect with dive partners and view comprehensive statistics.
- Unlimited dive entries
- Extensive dive site database
- Detailed dive condition logging
- Equipment and gas tracking
- Dive partner confirmation
- Comprehensive dive statistics
- User-added dive sites
Read full descriptionHide full description
Our mobile logbook is the easiest way to keep a dive log! The number of entries in the logbook is unlimited. Keeping a personal dive log is recommended in all scuba diving associations. You can choose such parameters. ● Date and number of dive The number of the first dive from which you decide to start logging can always be changed in the settings of the mobile dive log. ● Place of immersion You can choose a dive site from a map of dive sites, we have a large base of dive sites and easy search on the map. Or add your own thereby enlarging the general base of dive sites for other divers. The number of dive sites you visit is displayed in statistics on the main application screen. ● Dive conditions Deep, on sunken objects, at night, during or in conditions high mountains and others. ● Cylinders Steel or aluminum, different volume of cylinders. amount cylinders is not limited. ● Gases in cylinders Air or nitrox of any percentage from 21% to 100% is suitable for immersing in the technical mode. ● Amount of gas in cylinders Remember the amount of gas at the beginning and end of the dive. ● Depth of dive It is selected simply by scrolling the screen down. ● Time spent under water All the time is summed up and displayed on the main screen as statistics total time spent by you under water. By the end of the vacation, this it's funny. )) ● Ballast The amount of cargo that you use in salt or fresh water when immersed. It is very important to remember your ballast for comfortable dive especially after a long break. ● Water temperature The temperature at the surface and at the depth is chosen to be simple scrolling. ● Visibility under water You will like this screen with animation. ● Costume Dry, wet, short, or completely without it. ● Notes Be sure to write down your impressions right after diving so memories will be the brightest. Indicate who or what you met under These data on the fish or marine. They are processed for the statistics of the halo of various marine species. ● Body partner The most important part of your dive is the partner you are with immersed. The application allows you to select the body partner from the list users of the application or friends of facebook. Choosing body partner you confirm the dive. It's like a stamp or a signature in your paper logbook. All these parameters are selected very easily in one two-touch and does not require a long input from the keyboard. After all, as we said this is the easiest mobile logbook! We are glad that now you are with us. We are waiting for feedback in the itunes store. Successful and interesting dives! Privacy Policy https://www.freeprivacypolicy.com/privacy/view/2514ee890daaa2fe15999a7010f55e73 Terms of Use https://www.websitepolicies.com/policies/view/MDfU1sJ6
Subsurface
This application allows divers to manage their dive logs on their mobile devices. It supports editing dive data and downloading new information from compatible dive computers. Optional cloud synchronization is available for seamless data transfer with desktop versions.
- Mobile dive log management
- Edit dive data
- Download from Bluetooth LE dive computers
- Optional cloud synchronization
- Open-source and free
Read full descriptionHide full description
Subsurface-mobile is an iOS dive log application based on Subsurface, the best free open source dive log application available on Windows, Mac and Linux. Subsurface-mobile allows you to access your dive log on your tablet or phone, edit the data and even download new dive information from many Bluetooth LE enabled dive computers. Using a free Subsurface Cloud Storage account you can synchronize your dive data with the Subsurface desktop application (while significantly increasing the usefulness, the cloud account is not required to use Subsurface-mobile). To get support from the developers, please use the in-app menu entry "Ask for support" Please check out the Subsurface-mobile user manual: https://subsurface-divelog.org/documentation/subsurface-mobile-v3-user-manual (also available from within the app) Subsurface-mobile is free and open source. No ads, no commercial anything. And it comes with free cloud storage (if you decide to use that - it's optional). Your data aren't used for anything, nothing gets monetized.
Screenshots
Verdict
The clearest difference is in-app purchases: Subsurface at none against Diving logbook's 3. Subsurface also leads on rating (4.5 vs 4.2). Diving logbook's advantage is review sentiment (76% vs 63%). On price, ratings volume, update cadence and ads 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
Both are free to download. Diving logbook sells 3 in-app purchases, starting at $1.99 per month. Subsurface asks for nothing beyond the download.
Subsurface holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 96 and 48 respectively. Written reviews complicate that: 76% of Diving logbook's written reviews are positive against 63% of Subsurface's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.
| Parameter | Diving logbook | Subsurface |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (96 ratings) | 4.5 (48 ratings) — better |
| Positive reviews | 76.1% of reviews — better | 63.3% of reviews |
| Number of ratings | 96 — better | 48 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 | 17 — better |
| Further details — not scored | ||
| Size | 71 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Denys Dykusha | Dirk Hohndel |
Customer experience
Diving logbook
Subsurface
In-app purchases
Diving logbook
- support DiveNumber every month$1.991 Month
- support DiveNumber every year$1.991 Year
- support Dive Number one time$4.99
Subsurface
No in-app purchases
Questions
Is Diving logbook free?
Is Subsurface free?
Which has better reviews, Diving logbook or Subsurface?
Do Diving logbook or Subsurface have ads?
Which is updated more often, Diving logbook or Subsurface?
Other comparisons















