Comparison

Kalkulilo (Calculator) vs CalExtract

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

CalExtract

Effortlessly transform appointment cards and event flyers into calendar entries. Simply snap a photo, and AI technology extracts all necessary details for quick review and direct addition to your calendar.

Highlights
  • AI-powered text recognition
  • Extracts date, time, location, and details
  • Supports front and back of cards
  • Edit event details before saving
  • One-tap add to Apple Calendar
  • No account required
Features
Read full description

Turn any appointment card or event flyer into a calendar event in seconds. How it works: 1. Snap a photo of your appointment card, flyer, or event poster 2. Our AI instantly extracts the date, time, location, and details 3. Review and edit if needed, then add directly to your calendar Perfect for: - Doctor and dentist appointment cards - Event flyers and posters - Conference schedules - Business cards with meeting details Features: - AI-powered text recognition - Supports front and back of cards - Edit event details before saving - One-tap add to Apple Calendar - No account required Stop manually typing event details. Let CalExtract do the work for you.

Screenshots

Kalkulilo (Calculator)4 screens
CalExtract4 screens

Verdict

The call

The clearest difference is price: CalExtract at Free against Kalkulilo (Calculator)'s $2.99. CalExtract also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 1). Kalkulilo (Calculator)'s advantage is ratings volume (29 vs 1) and device support (3 vs 1). On 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

CalExtract is free to download; Kalkulilo (Calculator) costs $2.99 up front. Kalkulilo (Calculator) sells 1 one-off in-app purchase. CalExtract asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CalExtract 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 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Kalkulilo (Calculator) ships an update every 2 months, CalExtract daily. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

Scorecard8 real differences · 2 level
Kalkulilo (Calculator) versus CalExtract: the parameters behind the verdict, then further details
ParameterKalkulilo (Calculator)CalExtract
Price$2.99Free — better
Rating4.5 (29 ratings)5.0 (1 ratings) — better
Positive reviews75.8% of reviews—
Number of ratings29 — better1
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.0 — better26.0
Further details — not scored
Size3 MB4 MB
Age rating4+4+
DeveloperAlexander ClaussCASHBEAR CONSULTING INC

Customer experience

Kalkulilo (Calculator)

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

CalExtract

All ratings1 ratings
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

CalExtract

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Kalkulilo (Calculator)

One-time1
  • Remove Ads$0.99
None

CalExtract

No in-app purchases

Questions

Is Kalkulilo (Calculator) free?
Kalkulilo (Calculator) costs $2.99, and also offers in-app purchases.
Is CalExtract free?
CalExtract is free to download, with no in-app purchases.
Which has better reviews, Kalkulilo (Calculator) or CalExtract?
CalExtract is rated higher. Kalkulilo (Calculator) averages 4.5 out of 5 from 29 ratings, while CalExtract averages 5.0 from 1 ratings.
Do Kalkulilo (Calculator) or CalExtract have ads?
Neither Kalkulilo (Calculator) nor CalExtract shows ads.
Which is updated more often, Kalkulilo (Calculator) or CalExtract?
Kalkulilo (Calculator) ships an update every 2 months, and CalExtract daily. Most recently, Kalkulilo (Calculator) was updated on October 20, 2026 and CalExtract on October 24, 2026.

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