Comparison

Whenr Whenr vs TimeCalc w/ Watch App

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

Head to head
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.

About

TimeCalc w/ Watch App

Features
Read full description

"TimeCalc" is a calculator app that can calculate time, and is compatible with the Apple Watch. [Main Features & Functions] - Input of Expressions Using Parentheses Allows for the calculation of expressions using parentheses. - Edit Function Expressions can be deleted and corrected using the delete key. - Two-Line Display Expressions and their answers are displayed on separate lines. - Time Calculation Function Capable of performing time calculations. Units are mutually convertible. - Support for Large Numbers Can calculate large numbers up to a maximum of 16 significant digits. - Apple Watch support [Disclaimer] Thank you for using the "TimeCalc" app (hereinafter referred to as "this app"). We have made every effort to meet the calculation needs of our users; however, please note the following: - Accuracy of Calculation Results Although this app is designed to meet general calculation needs, due to the nature of software, bugs and system limitations might lead to errors in calculation results. Therefore, the results obtained from this app should be used for reference only, and verification by other means is strongly recommended for applications where accuracy is critical (such as financial transactions, scientific research, safety-related calculations, etc.). - Limitation of Liability The developers and the developing company shall not be liable for any direct, indirect, incidental, special, or consequential damages arising from the use of this app. The user assumes all responsibility for the results obtained through the use of this app.

Screenshots

Whenr Whenr4 screens
TimeCalc w/ Watch App1 screens

Verdict

The call

The clearest difference is ads: Whenr Whenr at none against TimeCalc w/ Watch App's shown. TimeCalc w/ Watch App's advantage is update cadence (every 3 months vs every 22 months). On price, in-app purchases, device support and iOS requirement 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

Whenr Whenr ships an update every 22 months, TimeCalc w/ Watch App every 3 months. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Whenr Whenr versus TimeCalc w/ Watch App: the parameters behind the verdict, then further details
ParameterWhenr WhenrTimeCalc w/ Watch App
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings4 — better—
Update frequencyEvery 22 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, MaciPhone, iPad, iPod, Apple Watch — better
Requires iOS16.115.0 — better
Further details — not scored
Size4 MB9 MB
Age rating4+4+
DeveloperDarin KelkhoffLegal Prompt Inc.

In-app purchases

None

Whenr Whenr

No in-app purchases

None

TimeCalc w/ Watch App

No in-app purchases

Questions

Is Whenr Whenr free?
Whenr Whenr is free to download, with no in-app purchases.
Is TimeCalc w/ Watch App free?
TimeCalc w/ Watch App is free to download, with no in-app purchases.
Do Whenr Whenr or TimeCalc w/ Watch App have ads?
TimeCalc w/ Watch App shows ads; Whenr Whenr does not.
Which is updated more often, Whenr Whenr or TimeCalc w/ Watch App?
Whenr Whenr ships an update every 22 months, and TimeCalc w/ Watch App every 3 months. Most recently, Whenr Whenr was updated on October 19, 2026 and TimeCalc w/ Watch App on October 24, 2026.

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