Comparison

Time + Date Calculator vs TimeStack Pilot

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

Head to head
About

Time + Date Calculator

Calculate time differences, work days, and add or subtract time periods. Convert between units like seconds, minutes, and years. Determine future or past dates and calculate age.

Highlights
  • Calculate time differences
  • Calculate work days
  • Add/subtract time
  • Multiply/divide time
  • Time converter
  • Date ranger
  • Age calculator
Features
Read full description

Time + Date Calculator is the perfect tool to work with time. It is by far the best and most accurate date and time calculator available for iOS! • TIME DIFFERENCE The Time Difference Calculator works out the difference between two periods of time. How long have you been at work today? - So type in: "17:30 - 7:45 =" and you get: 09:45 (9 hours and 45 minutes). • WORK DAYS Calculate work days between two calendar days. Exclude weekends and find out how many week days are left. • ADD/SUBTRACT TIME You can add or subtract time expressions defined in years, months, days, hours, minutes AND seconds • MULTIPLY/DIVIDE TIME You can multiply/divide time expressions defined in years, months, days, hours, minutes AND seconds • TIME CONVERTER Use this time converter to convert instantly between seconds, minutes, hours, days and years. • DATE RANGER What date is 10 days from now, or 5 weeks from now? With Date Ranger you can quickly determine the new date given a start date, and a date range in days, weeks, months, or years to add or subtract. • TIME ZONES Provides time zone conversions taking into account local time zone and accepts present, past or future dates. • AGE CALCULATOR Age Calculator simply shows your age (years old, months and days). • TIME TRAVEL Time Travel calculates the time left on your trip given total distance remaining and current average speed.

About

TimeStack Pilot

Read full description

TimeStack Pilot is a clean and practical calculator for structured time values. It helps you calculate and convert day:hour:minute, hour:minute, minutes, and optional second-based time values. Designed for aviation, logbooks, block times, duty calculations, and other time-based tasks, TimeStack Pilot focuses on fast input and clear results. Features: • Fast calculator for structured time values • Supports d:h:m, h:m, minutes, and optional seconds • Clear multi-format result display • Customizable display settings • Optional background image • App language selection • No account required • Works fully on device • No tracking TimeStack Pilot is built for quick input, flexible display options, and distraction-free daily use.

Screenshots

Time + Date Calculator4 screens
TimeStack Pilot4 screens

Verdict

The call

The clearest difference is price: TimeStack Pilot at Free against Time + Date Calculator's $0.99. TimeStack Pilot also leads on update cadence (every 3 days vs every 3 months). Time + Date Calculator's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 26.0). On ads 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

TimeStack Pilot is free to download; Time + Date Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Time + Date Calculator ships an update every 3 months, TimeStack Pilot every 3 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Time + Date Calculator versus TimeStack Pilot: the parameters behind the verdict, then further details
ParameterTime + Date CalculatorTimeStack Pilot
Price$0.99Free — better
Rating4.7 (942 ratings) — better—
Positive reviews91.4% of reviews—
Number of ratings942 — better—
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better26.0
Further details — not scored
Size1 MB29 MB
Age rating4+4+
DeveloperThomas TsopanakisChristoph Kindl

Bugs and requests

Time + Date Calculator

Reported bugs

2 issues
  • Error in adding days calculation
  • Inconsistent behavior when inputting times

Requested features

4 requests
  • Add support for calculating all days, not just work days
  • Implement a calendar view to track time and dates
  • Allow users to save and view their time logs
  • Provide an option to display time in decimal format

TimeStack Pilot

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Time + Date Calculator

No in-app purchases

None

TimeStack Pilot

No in-app purchases

Questions

Is Time + Date Calculator free?
Time + Date Calculator costs $0.99, with no in-app purchases.
Is TimeStack Pilot free?
TimeStack Pilot is free to download, with no in-app purchases.
Do Time + Date Calculator or TimeStack Pilot have ads?
Neither Time + Date Calculator nor TimeStack Pilot shows ads.
Which is updated more often, Time + Date Calculator or TimeStack Pilot?
Time + Date Calculator ships an update every 3 months, and TimeStack Pilot every 3 days. Most recently, Time + Date Calculator was updated on October 29, 2026 and TimeStack Pilot on October 28, 2026.

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