Diving logbook vs Reef Tagger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diving logbook
Easily log all your scuba diving details, from dive sites and conditions to equipment and observations. Track your dive history, including depth, time, and gas usage, with unlimited entries and an extensive dive site database. Connect with dive partners and record your underwater experiences.
- Unlimited dive entries
- Detailed dive parameters (depth, time, gas)
- Dive site mapping and database
- Record dive conditions and equipment
- Log notes and marine life sightings
- Partner confirmation for dives
- Dive statistics and total dive time
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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
Reef Tagger
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Reef Tagger turns every dive into a discovery. Point your camera at any marine creature and our AI instantly identifies the species — fish, corals, rays, turtles, invertebrates, and more. Every tag builds your personal underwater journal and contributes to a growing record of ocean wildlife. IDENTIFY WITH AI Our two-pass identification engine analyses your photo and returns the species name, scientific name, confidence rating, and the distinguishing features used to make the call. When the image needs more detail, the app tells you exactly that. LOG EVERY DIVE Create dive logs that capture your sightings, locations, and photos in one place. Tag multiple species per dive and build a catalogue of everything you've ever encountered underwater. COLLECT SPECIES STAMPS Every new species you identify earns a beautifully rendered collector's stamp — a photorealistic 3D portrait unique to that creature. Build your collection one dive at a time. FIND DIVE SITES Search for dive sites shared by the community. See what species others have found there and add your own sites to the map. CONNECT WITH DIVERS Follow other divers, like and comment on their sightings, and see what's being tagged around the world in your social feed. Share publicly or keep sightings just for friends. CLIMB THE LEADERBOARD Compete on weekly, monthly, and all-time leaderboards. Every species you tag earns your place in the rankings. PRIVACY FIRST Control who sees your sightings, your profile, and your dive site locations. Share as much or as little as you choose. Reef Tagger is built for scuba divers, snorkellers, free divers, and marine enthusiasts at every level. Every sighting counts.
Screenshots
Verdict
The clearest difference is in-app purchases: Reef Tagger at none against Diving logbook's 3. Reef Tagger also leads on update cadence (every 5 days vs monthly) and device support (3 vs 1). On price 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. Reef Tagger asks for nothing beyond the download.
Diving logbook ships an update monthly, Reef Tagger every 5 days. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.
| Parameter | Diving logbook | Reef Tagger |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (96 ratings) — better | — |
| Positive reviews | 76.1% of reviews | — |
| Number of ratings | 96 — better | — |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 71 MB | 75 MB |
| Age rating | 4+ | 17+ |
| Developer | Denys Dykusha | Cool Coral Labs Limited |
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
Reef Tagger
No in-app purchases
Questions
Is Diving logbook free?
Is Reef Tagger free?
Do Diving logbook or Reef Tagger have ads?
Which is updated more often, Diving logbook or Reef Tagger?
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