Comparison

Whenr Whenr vs HourHack

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

HourHack

Easily calculate the duration between two specific times or dates. Get instant results in hours, minutes, or days with a clear and intuitive interface. Simplify all your time-related calculations.

Highlights
  • Calculate time differences
  • Calculate date differences
  • Instant results
  • Clear interface
  • Time unit conversion
Features
Read full description

Need to know how much time has passed or how many days until an event? HourHack makes it simple to calculate the difference between two times or dates. Quickly input any two moments, and get instant results in hours, minutes, or days. Features: Calculate time differences between two times Find the amount of time between dates Clear and easy-to-use interface Simplify your time calculations with HourHack!

Screenshots

Whenr Whenr4 screens
HourHack3 screens

Verdict

The call

Whenr Whenr and HourHack both sit at 5.0 stars, but that hides the real split: 100% of HourHack's written reviews are positive against 67% of Whenr Whenr's. HourHack also leads on update cadence (fortnightly vs every 22 months) and iOS requirement (13.4 vs 16.1). On price, rating, ratings volume 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

Both are free to download. 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 Whenr Whenr against 5.0 for HourHack. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews are what separate them: 67% of Whenr Whenr's written reviews are positive against 100% of HourHack's.

UpkeepUpdate frequency

Whenr Whenr ships an update every 22 months, HourHack fortnightly. The most recent releases landed on October 2, 2026 and September 27, 2026 respectively.

Scorecard3 real differences · 7 level
Whenr Whenr versus HourHack: the parameters behind the verdict, then further details
ParameterWhenr WhenrHourHack
PriceFreeFree
Rating5.0 (4 ratings)5.0 (10 ratings)
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings410 — better
Update frequencyEvery 22 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.113.4 — better
Further details — not scored
Size4 MB21 MB
Age rating4+4+
DeveloperDarin KelkhoffRosenbergs LLC

Customer experience

Whenr Whenr

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

HourHack

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Whenr Whenr

No in-app purchases

None

HourHack

No in-app purchases

Questions

Is Whenr Whenr free?
Whenr Whenr is free to download, with no in-app purchases.
Is HourHack free?
HourHack is free to download, with no in-app purchases.
Which has better reviews, Whenr Whenr or HourHack?
Whenr Whenr and HourHack are both rated 5.0 out of 5 on the App Store, from 4 and 10 ratings respectively.
Do Whenr Whenr or HourHack have ads?
Neither Whenr Whenr nor HourHack shows ads.
Which is updated more often, Whenr Whenr or HourHack?
Whenr Whenr ships an update every 22 months, and HourHack fortnightly. Most recently, Whenr Whenr was updated on October 2, 2026 and HourHack on September 27, 2026.

Other comparisons