Comparison

Diving logbook vs IDDA

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

Head to head
About

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.

Highlights
  • 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
Features
Read 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

About

IDDA

This platform offers e-learning content and certifications to enhance diving knowledge and prepare for exams. It's designed to make learning and exam preparation more accessible for divers. Future updates promise even more features to support your diving journey.

Highlights
  • E-learning content
  • Brevet platform
  • Diving knowledge enhancement
  • Exam preparation
  • Accessible learning
Features
Read full description

The IDDA App is a learning and brevet platform that provides e-learning content and brevets. With the app, users can deepen their diving knowledge and prepare for exams. The next updates of the app will include many new features that will make learning and preparing for exams even easier and more accessible. The IDDA app is a valuable tool for all divers who want to expand their diving knowledge and start their diving adventure

Screenshots

Diving logbook4 screens
IDDA4 screens

Verdict

The call

The clearest difference is review sentiment: Diving logbook at 76% against IDDA's 0%. IDDA's advantage is in-app purchases (none vs 3) and update cadence (every 2 weeks vs every 2 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Diving logbook sells 3 in-app purchases, starting at $1.99 per month. IDDA asks for nothing beyond the download.

UpkeepUpdate frequency

Diving logbook ships an update every 2 months, IDDA every 2 weeks. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

Scorecard6 real differences · 4 level
Diving logbook versus IDDA: the parameters behind the verdict, then further details
ParameterDiving logbookIDDA
PriceFreeFree
Rating4.2 (96 ratings) — better—
Positive reviews76.1% of reviews — better0.0% of reviews
Number of ratings96 — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size71 MB37 MB
Age rating4+12+
DeveloperDenys DykushaIDDA GmbH

Customer experience

Diving logbook

All ratings96 ratings
Positive78.1%
Neutral10.4%
Negative11.5%
Written reviews67 reviews
Positive76.1%
Neutral10.4%
Negative13.4%

IDDA

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

Diving logbook

Subscriptions2
  • support DiveNumber every month$1.991 Month
  • support DiveNumber every year$1.991 Year
One-time1
  • support Dive Number one time$4.99
None

IDDA

No in-app purchases

Questions

Is Diving logbook free?
Diving logbook is free to download, with in-app purchases available.
Is IDDA free?
IDDA is free to download, with no in-app purchases.
Do Diving logbook or IDDA have ads?
Neither Diving logbook nor IDDA shows ads.
Which is updated more often, Diving logbook or IDDA?
Diving logbook ships an update every 2 months, and IDDA every 2 weeks. Most recently, Diving logbook was updated on September 25, 2026 and IDDA on September 17, 2026.

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