# IMCA Diving CPD vs Whenr Whenr

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | IMCA Diving CPD | Whenr Whenr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/whenr-whenr/id1659481999/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 22 months |
| Monetization | Free | Free |
| Size | 36 MB | 4 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [ACUIZEN TECHNOLOGIES SINGAPORE PTE. LTD.](https://appshunter.io/developer/1438003775) | [Darin Kelkhoff](https://appshunter.io/developer/1659482001) |

## What reviewers say

### IMCA Diving CPD

[App page](https://appshunter.io/ios/app/imca-diving-cpd/id1473933142)

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:** macOS Compatibility

**In-app purchases:** none


### Whenr Whenr

[App page](https://appshunter.io/ios/app/whenr-whenr/id1659481999)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*