Comparison

IMCA Diving CPD vs Whenr Whenr

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

Head to head
About

IMCA Diving CPD

Stay current with the commercial diving sector through multimedia content and quizzes. This application offers diving supervisors the latest updates and knowledge to maintain their professional development.

Highlights
  • Latest commercial diving updates
  • Multimedia content modules
  • Knowledge retention quizzes
  • Professional development tracking
  • Supervisor-focused learning
Features
Read full description

The IMCA Continuous Professional Development (CPD) Application provides the latest updates relating to the commercial diving sector. Through the assigned modules diving supervisors will have access to multi-media content that provides them the knowledge to stay current. Quizzes provide the users an indication of their level of awareness of the topics under discussion.

About

Whenr Whenr

This app simplifies complex time calculations, helping you easily determine time differences, future times, and duration sums. It offers an intuitive interface and convenient options to copy, set reminders, or share results.

Highlights
  • Calculate time differences
  • Determine future times
  • Sum time durations
  • Copy results to clipboard
  • Create reminders from results
  • Share time calculations
Features
Read full description

Doing math with dates and times is hard. Whenr Whenr makes it easy, with a simple calculator-style interface for dates, times, durations, and unit conversions. There are no awkward forms, no modes to switch between, and no workflows to learn. Just type in your values, select the function you want to apply, and get your answer. With Whenr Whenr you can: - Answer time questions quick and easy. For example, calculate “how long is it from now until 7:42?” or “what time will it be in 4 hours and 47 minutes?”? - Count days between dates, add weeks to a date, or work across months without manually counting. - Make schedules easier to reason about. Figure out equal turns, manipulate durations, split time fairly, and keep plans running smoothly. - Make weird durations readable. Convert amounts like 400 hours into weeks, 5,000 minutes into days, or 10,000 seconds into hours, so you can actually think about them. And it does all this in a familiar calculator-style interface - not a maze of tabs and dropdowns. There's no mode switching, no confusing forms, and no translating your question into an app's weird logic. You just enter dates and times using the keypad and get the right answer fast.

Screenshots

IMCA Diving CPD4 screens
Whenr Whenr4 screens

Verdict

The call

The clearest difference is review sentiment: Whenr Whenr at 67% against IMCA Diving CPD's 0%. IMCA Diving CPD's advantage is update cadence (every 2 months vs every 22 months) and iOS requirement (12.0 vs 16.1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

IMCA Diving CPD ships an update every 2 months, Whenr Whenr every 22 months. The most recent releases landed on September 8, 2026 and September 2, 2026 respectively.

Scorecard3 real differences · 7 level
IMCA Diving CPD versus Whenr Whenr: the parameters behind the verdict, then further details
ParameterIMCA Diving CPDWhenr Whenr
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews0.0% of reviews66.7% of reviews — better
Number of ratings—4 — better
Update frequencyEvery 2 months — betterEvery 22 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.0 — better16.1
Further details — not scored
Size36 MB4 MB
Age rating4+4+
DeveloperACUIZEN TECHNOLOGIES SINGAPORE PTE. LTD.Darin Kelkhoff

Customer experience

IMCA Diving CPD

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Whenr Whenr

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

IMCA Diving CPD

No in-app purchases

None

Whenr Whenr

No in-app purchases

Questions

Is IMCA Diving CPD free?
IMCA Diving CPD is free to download, with no in-app purchases.
Is Whenr Whenr free?
Whenr Whenr is free to download, with no in-app purchases.
Do IMCA Diving CPD or Whenr Whenr have ads?
Neither IMCA Diving CPD nor Whenr Whenr shows ads.
Which is updated more often, IMCA Diving CPD or Whenr Whenr?
IMCA Diving CPD ships an update every 2 months, and Whenr Whenr every 22 months. Most recently, IMCA Diving CPD was updated on September 8, 2026 and Whenr Whenr on September 2, 2026.

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