Comparison

Kalkulilo (Calculator) vs Time

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

Head to head
About

Kalkulilo (Calculator)

This app offers a versatile calculator with multiple modes, including scientific, bitwise, statistical, trigonometric, base conversion, and time calculations. It features a simple mode with large buttons and customizable interface. Widgets for notification center and Apple Watch are also included.

Highlights
  • Scientific calculator functions
  • Bit/integer mode with logical operations
  • Statistical calculations
  • Base/radix conversion (2-36)
  • Time value calculations
  • Customizable interface
  • Apple Watch app and widget
Features
Read full description

Kalkulilo is a comfortable calculator program and offers several different modes. - The scientific mode offers all the usual functions and operations like the basic arithmetical operations, power, logarithm, roots, trigonometry etc. - The bit/integer mode offers logical operations (AND, OR, XOR, >>, etc.) on bit level. All values can be displayed as binary, octal, decimal or hexadecimal numbers. Calculations can be done in 8, 16 32 or 64 bits. - In the statistics mode you can create a sample by adding several values and then calculate mean, median, quantil values, variance, standard deviation, range etc. - Trigonometry mode provides lots of trigonometric functions, including legacy ones - The base/radix mode allows you to do calculations with numbers of base 2 to base 36 - The Time mode lets you directly work with time values (hours, minutes seconds) - A simple calculator is also included, with just the basic operators and large buttons. The user interface can be customized, you can change the key colors for different categories of functions and operators which helps to distinguish and find these more easily. The App also includes calculator widgets for the homescreen which allows to do calculations directly from your homescreen and a calculator for the Apple Watch.

About

Time

Calculate time durations with hours and minutes. Supports addition, subtraction, multiplication, and division, with features like calculation history, memory keys, and customizable preset buttons for quick time additions. Choose from various color themes.

Highlights
  • Calculate hours and minutes
  • Add, subtract, multiply, divide time
  • Calculation history saved
  • Memory keys for subtotals
  • Preset keys for one-touch time addition
  • Customizable color themes
Features
Read full description

This application allows you to calculate time (hours and minutes). You can calculate things like 1:30+0:50. When you enter a number, ":" is automatically inserted to separate the hour and minute, so you can calculate quickly. This is useful for calculating total work hours, time spent on daily errands, and travel time. You can add, subtract, multiply, and divide. The calculation history is automatically saved, so you can check it later. A memory key is provided, allowing you to save and add subtotals. Minutes that are often used for calculations (15 minutes, 30 minutes, etc.) can be registered and used for one-touch addition. A button to add 24 hours is provided for calculations when crossing days. It comes in a variety of colors such as orange, green, cyan, pink, and black, and you can choose the one you like best. [ List of functions ] You can calculate hours and minutes, or minutes and seconds. You can check the calculation history, and touch the answer displayed in the history to reuse it for calculations. The memory keys can be used to save, add, and subtract subtotals. By setting the preset keys, you can use the most frequently used time (minutes) for calculation with a single touch. The color of the application can be selected.

Screenshots

Kalkulilo (Calculator)4 screens
Time4 screens

Verdict

The call

The clearest difference is rating: Time at 5.0 against Kalkulilo (Calculator)'s 4.5. Time also leads on in-app purchases (none vs 1) and review sentiment (100% vs 76%). Kalkulilo (Calculator)'s advantage is update cadence (every 2 months vs every 14 months) and ratings volume (29 vs 3). On ads 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

Kalkulilo (Calculator) costs $2.99 and Time $1.99 up front. Kalkulilo (Calculator) sells 1 one-off in-app purchase. Time asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Time holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Kalkulilo (Calculator) has 29 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 76% of Kalkulilo (Calculator)'s written reviews are positive against 100% of Time's.

UpkeepUpdate frequency

Kalkulilo (Calculator) ships an update every 2 months, Time every 14 months. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

Scorecard8 real differences · 2 level
Kalkulilo (Calculator) versus Time: the parameters behind the verdict, then further details
ParameterKalkulilo (Calculator)Time
Price$2.99$1.99 — better
Rating4.5 (29 ratings)5.0 (3 ratings) — better
Positive reviews75.8% of reviews100.0% of reviews — better
Number of ratings29 — better3
Update frequencyEvery 2 months — betterEvery 14 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size3 MB64 MB
Age rating4+4+
DeveloperAlexander ClaussYUTAKA KENJO

Customer experience

Kalkulilo (Calculator)

All ratings29 ratings
Positive86.2%
Neutral6.9%
Negative6.9%
Written reviews438 reviews
Positive75.8%
Neutral5.9%
Negative18.3%

Time

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Kalkulilo (Calculator)

Reported bugs

3 issues
  • Number doesn't transfer correctly when switching between modes
  • Negative exponents not displayed correctly in engineering notation
  • Loses calculation history when changing modes

Requested features

5 requests
  • Add calculus, linear algebra, and probability functions
  • Implement a 'repeated equals' function
  • Add a backspace/delete button
  • Allow customizing color scheme
  • Improve Apple Watch integration

Time

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Kalkulilo (Calculator)

One-time1
  • Remove Ads$0.99
None

Time

No in-app purchases

Questions

Is Kalkulilo (Calculator) free?
Kalkulilo (Calculator) costs $2.99, and also offers in-app purchases.
Is Time free?
Time costs $1.99, with no in-app purchases.
Which has better reviews, Kalkulilo (Calculator) or Time?
Time is rated higher. Kalkulilo (Calculator) averages 4.5 out of 5 from 29 ratings, while Time averages 5.0 from 3 ratings.
Do Kalkulilo (Calculator) or Time have ads?
Neither Kalkulilo (Calculator) nor Time shows ads.
Which is updated more often, Kalkulilo (Calculator) or Time?
Kalkulilo (Calculator) ships an update every 2 months, and Time every 14 months. Most recently, Kalkulilo (Calculator) was updated on October 20, 2026 and Time on October 27, 2026.

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