Comparison

Whenr Whenr vs Precision Power

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

Precision Power

Monitor your lithium battery's performance directly from your phone. View detailed information like charge level, voltage, capacity, and temperature. Connect via Bluetooth 5.0 for real-time data and device settings.

Highlights
  • Direct battery monitoring from BMS
  • Real-time battery information display
  • Bluetooth 5.0 connectivity
  • Device settings access
  • Charge/discharge switch
Read full description

Precision Power Lithium Battery APP Description 1) Now you can monitor your battery on your phone directly from the BMS. 2) The Device page can direct connect to the battery device. 3) Displays the battery information on the “Dashboard” tab including : State of Charge, Voltage, Capacity, Status, Current, Power, Cycles, Temperature, Charge/Discharge Switch and so on. 4) The "Settings" tab include some device info, Such as Bluetooth Name, BMS Version Number, Production Date, Version and so on. 5) This APP functions through Bluetooth 5.0, Maximum distance of communication on a typical phone is 10 meters (30 feet). 6) Each battery will only allow one Bluetooth connection at a time.

Screenshots

Whenr Whenr4 screens
Precision Power3 screens

Verdict

The call

The clearest difference is device support: Whenr Whenr at 3 against Precision Power's —. Precision Power's advantage is iOS requirement (12.0 vs 16.1). On price, rating, ratings volume and in-app purchases 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 Precision Power. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Scorecard2 real differences · 8 level
Whenr Whenr versus Precision Power: the parameters behind the verdict, then further details
ParameterWhenr WhenrPrecision Power
PriceFreeFree
Rating5.0 (4 ratings)5.0 (2 ratings)
Positive reviews66.7% of reviews—
Number of ratings4 — better2
Update frequencyEvery 22 months—
AdsNo—
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, Mac — better—
Requires iOS16.112.0 — better
Further details — not scored
Size4 MB21 MB
Age rating4+4+
DeveloperDarin KelkhoffPrecision Sonar

In-app purchases

None

Whenr Whenr

No in-app purchases

None

Precision Power

No in-app purchases

Questions

Is Whenr Whenr free?
Whenr Whenr is free to download, with no in-app purchases.
Is Precision Power free?
Precision Power is free to download, with no in-app purchases.
Which has better reviews, Whenr Whenr or Precision Power?
Whenr Whenr and Precision Power are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

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