# Time Calculator For Pilots vs Whenr Whenr

The clearest difference is price: Whenr Whenr at Free against Time Calculator For Pilots's $5.99. Time Calculator For Pilots's advantage is review sentiment (100% vs 67%) and iOS requirement (9.3 vs 16.1). On rating, ratings volume, update cadence and ads there is nothing between them.

Whenr Whenr is free to download; Time Calculator For Pilots costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Time Calculator For Pilots against 5.0 for Whenr Whenr. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews are what separate them: 100% of Time Calculator For Pilots's written reviews are positive against 67% of Whenr Whenr's.

Time Calculator For Pilots ships an update every 6 months, Whenr Whenr every 7 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Time Calculator For Pilots | Whenr Whenr |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/time-calculator-for-pilots/id1096166900/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/whenr-whenr/id1659481999/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Paid | **Free** |
| Size | 2 MB | 4 MB |
| Requires iOS | **9.3** | 16.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Aviation Mobile Apps, LLC.](https://appshunter.io/developer/286046308) | [Darin Kelkhoff](https://appshunter.io/developer/1659482001) |

## What reviewers say

### Time Calculator For Pilots

[App page](https://appshunter.io/ios/app/time-calculator-for-pilots/id1096166900)

This utility app assists pilots with various time-related calculations, from navigation logs to rest break planning and flight legality checks. It offers quick data entry, an adding machine style history, and supports basic arithmetic operations. The app also includes help videos and Apple Watch synchronization.

**Highlights:** Time-based calculations, Navigation log support, Rest break division, Flight legality checks, Adding machine style history, Copy and paste functionality, Apple Watch synchronization

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Whenr Whenr

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

This app simplifies date and time calculations with a calculator-style interface. Easily add or subtract durations, find the difference between dates, and convert units of time without complex forms or modes.

**Highlights:** Date and time calculations, Duration addition and subtraction, Days between dates, Unit time conversions, Calculator-style interface, No mode switching

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Time Calculator For Pilots free?

Time Calculator For Pilots costs $5.99, with no in-app purchases.

### Is Whenr Whenr free?

Whenr Whenr is free to download, with no in-app purchases.

### Which has better reviews, Time Calculator For Pilots or Whenr Whenr?

Time Calculator For Pilots and Whenr Whenr are both rated 5.0 out of 5 on the App Store, from 4 and 4 ratings respectively.

### Do Time Calculator For Pilots or Whenr Whenr have ads?

Neither Time Calculator For Pilots nor Whenr Whenr shows ads.

### Which is updated more often, Time Calculator For Pilots or Whenr Whenr?

Time Calculator For Pilots ships an update every 6 months, and Whenr Whenr every 7 months. Most recently, Time Calculator For Pilots was updated on November 2, 2026 and Whenr Whenr on November 3, 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.*