Comparison

ChronoCalc vs Timely

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

Head to head
About

ChronoCalc

This app simplifies time calculations, offering features like addition, subtraction, multiplication, and division of time intervals. It supports various time formats, millisecond precision, and provides an activity timer for elapsed time tracking.

Highlights
  • Time addition, subtraction, multiplication, division
  • Millisecond precision
  • AM/PM and 24-hour time formats
  • Intervals in H:M:S:MS or decimals
  • Activity timer for elapsed time
  • Convert between hours, minutes, seconds, milliseconds
  • Multiple color schemes
Features
Read full description

ChronoCalc is designed to streamline all your time calculation needs. - If I start work at 8:40, and end at 4:25, how much time has passed? - What time will it be in 5 and a half hours? What time was it 5 and a half hours ago? - If I watch 8 episodes lasting 43 minutes each, how much total time is that? - How many hours are 143 minutes? Features: - Addition, Subtraction, Multiplication, and Division - Subtract From operator lets you enter start times before end times - perfect for long lists of calculations - Millisecond precision - AM, PM, and Military/24h time - Intervals can be entered as H:M:S:MS or as decimals - Activity Timer makes it easy to get the elapsed time between the start and end of an activity - Easily convert between hours, minutes, seconds, and milliseconds - 6 different color schemes to choose from

About

Timely

Perform arithmetic operations on time spans and numbers with this free utility. Supports addition, subtraction, multiplication, and division, including percentages and modulus. It can also function as a standard calculator.

Highlights
  • Time span arithmetic
  • Addition, subtraction, multiplication, division
  • Percentage and modulus calculations
  • Standard calculator functionality
  • Supports decimals and order of operations
Features
Read full description

Timely allows you to perform arithmetic operations between time spans and numbers! Addition, subtract, multiplication and division are all supported - no ads and completely free. Timely displays time spans as Hour:Minutes:Seconds with support for decimals and order of operations (PEMDAS/BODMAS), it can also be used as a normal calculator. Some examples of what you can do with Timely. - What pace is required to complete a 12km race in 50 minutes? 50:00 ÷ 12 = 4:10 min/km - Adding up timesheets for work. 07:30:00 + 01:00:00 + 02:25:00 = 10:55:00 Support for percentage and modulus are provided by the '%' key. - Percentage calculation 10:00 + 5% = 10:30 - Modulus calculation 50:00:00 % 24:00:00 = 02:00:00 You can tap on the number display to send me feedback if you encounter issues or have feature requests. Enjoy!

Screenshots

ChronoCalc4 screens
Timely4 screens

Verdict

The call

The clearest difference is rating: ChronoCalc at 5.0 against Timely's 2.5. ChronoCalc also leads on iOS requirement (8.0 vs 15.0). Timely's advantage is update cadence (monthly vs every 12 months). On price, review sentiment, 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

ChronoCalc holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

ChronoCalc ships an update every 12 months, Timely monthly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level
ChronoCalc versus Timely: the parameters behind the verdict, then further details
ParameterChronoCalcTimely
PriceFreeFree
Rating5.0 (2 ratings) — better2.5 (2 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings22
Update frequencyEvery 12 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size237 MB42 MB
Age rating4+4+
DeveloperAugusta UniversityDaniel Gatto

Customer experience

ChronoCalc

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Timely

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ChronoCalc

No in-app purchases

None

Timely

No in-app purchases

Questions

Is ChronoCalc free?
ChronoCalc is free to download, with no in-app purchases.
Is Timely free?
Timely is free to download, with no in-app purchases.
Which has better reviews, ChronoCalc or Timely?
ChronoCalc is rated higher. ChronoCalc averages 5.0 out of 5 from 2 ratings, while Timely averages 2.5 from 2 ratings.
Do ChronoCalc or Timely have ads?
Neither ChronoCalc nor Timely shows ads.
Which is updated more often, ChronoCalc or Timely?
ChronoCalc ships an update every 12 months, and Timely monthly. Most recently, ChronoCalc was updated on October 24, 2026 and Timely on October 9, 2026.

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