Comparison

Diving logbook vs ProTec Smart

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

ProTec Smart

Features
Read full description

Never miss one of you dive ID card. Now you have them all at your smartphone. With overview and detail information about every single certification. Easy to use. The app also works offline. All current certificates since the last online connection are displayed. An update status is displayed for professional level. The Smart-Card is an add-on tool for the ProTec Member Area. Please note that this ProTec Smart-Card only works in combination with the access and your profile of ProTec Member Area.

Screenshots

Diving logbook4 screens
ProTec Smart4 screens

Verdict

The call

The clearest difference is price: Diving logbook at Free against ProTec Smart's $3.99. Diving logbook also leads on update cadence (every 2 months vs every 4 months). ProTec Smart's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On 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

Diving logbook is free to download; ProTec Smart costs $3.99 up front. Diving logbook sells 3 in-app purchases, starting at $1.99 per month. ProTec Smart asks for nothing beyond the download.

UpkeepUpdate frequency

Diving logbook ships an update every 2 months, ProTec Smart every 4 months. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
Diving logbook versus ProTec Smart: the parameters behind the verdict, then further details
ParameterDiving logbookProTec Smart
PriceFree — better$3.99
Rating4.2 (96 ratings) — better—
Positive reviews76.1% of reviews—
Number of ratings96 — better—
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size71 MB58 MB
Age rating4+4+
DeveloperDenys DykushaAlpha ITC

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

ProTec Smart

No in-app purchases

Questions

Is Diving logbook free?
Diving logbook is free to download, with in-app purchases available.
Is ProTec Smart free?
ProTec Smart costs $3.99, with no in-app purchases.
Do Diving logbook or ProTec Smart have ads?
Neither Diving logbook nor ProTec Smart shows ads.
Which is updated more often, Diving logbook or ProTec Smart?
Diving logbook ships an update every 2 months, and ProTec Smart every 4 months. Most recently, Diving logbook was updated on October 22, 2026 and ProTec Smart on October 9, 2026.

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