Comparison

Time Calculator For Pilots 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

Time Calculator For Pilots

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
Read full description

Time Calculator for Pilots is an easy to use App for making time-related calculations. Whether you're working on a navigation log, dividing up rest breaks for multi-crew cockpits, or trying to figure out how many flights to the same destination you can fly before going illegal, Time Calculator for Pilots can help. The app supports quick data entry of hours, minutes and seconds, features adding machine style history, supports copy and paste, addition, subtraction, multiplication, and division. It also has built-in help videos, and it synchronizes with your Apple Watch! This App is a pilot essential, download today.

About

Whenr Whenr

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
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

Time Calculator For Pilots4 screens
Whenr Whenr4 screens

Verdict

The call

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.

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

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Time Calculator For Pilots versus Whenr Whenr: the parameters behind the verdict, then further details
ParameterTime Calculator For PilotsWhenr Whenr
Price$5.99Free — better
Rating5.0 (4 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings44
Update frequencyEvery 6 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Mac
Requires iOS9.3 — better16.1
Further details — not scored
Size2 MB4 MB
Age rating4+4+
DeveloperAviation Mobile Apps, LLC.Darin Kelkhoff

Customer experience

Time Calculator For Pilots

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
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

Time Calculator For Pilots

No in-app purchases

None

Whenr Whenr

No in-app purchases

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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