Comparison

Time + Date Calculator vs UTC ALARM

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

UTC ALARM

This utility app allows users to set alarms based on Coordinated Universal Time (UTC), also known as Zulu time. It is ideal for professionals who work across different time zones, such as pilots and cabin crew, ensuring timely notifications regardless of local time.

Highlights
  • Set alarms in UTC (Zulu time)
  • Multiple custom named alarms
  • Reliable notifications
  • Large, clear UTC time display
  • Clean, dark interface
  • Works offline
  • No account required
Features
Read full description

UTC ALARM - Set alarms in Coordinated Universal Time (Zulu time). Perfect for pilots, cabin crew, aviation professionals, and anyone working across time zones. Set alarms that trigger at exact UTC times, regardless of your local timezone. Features: • Large, clear UTC time display • Create multiple alarms with custom names • Reliable notifications even when the app is closed • Clean, dark interface optimized for iPad • No account required - works offline Free with no ads.

Screenshots

Time + Date Calculator4 screens
UTC ALARM3 screens

Verdict

The call

The clearest difference is price: UTC ALARM at Free against Time + Date Calculator's $0.99. UTC ALARM also leads on update cadence (every 11 days vs every 3 months). Time + Date Calculator's advantage is rating (4.7 vs 4.0) and ratings volume (942 vs 1). On ads, in-app purchases, monetization model and device support 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

UTC ALARM 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.

ReceptionRating · Positive reviews · Number of ratings

Time + Date Calculator holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Time + Date Calculator has 942 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Time + Date Calculator ships an update every 3 months, UTC ALARM every 11 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 5 level
Time + Date Calculator versus UTC ALARM: the parameters behind the verdict, then further details
ParameterTime + Date CalculatorUTC ALARM
Price$0.99Free — better
Rating4.7 (942 ratings) — better4.0 (1 ratings)
Positive reviews91.4% of reviews—
Number of ratings942 — better1
Update frequencyEvery 3 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperThomas TsopanakisMAXIME CLEMENT SIMON LAURENT

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

UTC ALARM

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Time + Date Calculator

No in-app purchases

None

UTC ALARM

No in-app purchases

Questions

Is Time + Date Calculator free?
Time + Date Calculator costs $0.99, with no in-app purchases.
Is UTC ALARM free?
UTC ALARM is free to download, with no in-app purchases.
Which has better reviews, Time + Date Calculator or UTC ALARM?
Time + Date Calculator is rated higher. Time + Date Calculator averages 4.7 out of 5 from 942 ratings, while UTC ALARM averages 4.0 from 1 ratings.
Do Time + Date Calculator or UTC ALARM have ads?
Neither Time + Date Calculator nor UTC ALARM shows ads.
Which is updated more often, Time + Date Calculator or UTC ALARM?
Time + Date Calculator ships an update every 3 months, and UTC ALARM every 11 days. Most recently, Time + Date Calculator was updated on October 29, 2026 and UTC ALARM on October 28, 2026.

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