Kalkulilo (Calculator) vs CalExtract
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- 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
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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
Verdict
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
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.
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.
Kalkulilo (Calculator) ships an update every 2 months, CalExtract daily. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.
| Parameter | Kalkulilo (Calculator) | CalExtract |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.5 (29 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 75.8% of reviews | — |
| Number of ratings | 29 — better | 1 |
| Update frequency | Every 2 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 3 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Clauss | CASHBEAR CONSULTING INC |
Customer experience
Kalkulilo (Calculator)
CalExtract
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
Kalkulilo (Calculator)
- Remove Ads$0.99
CalExtract
No in-app purchases
Questions
Is Kalkulilo (Calculator) free?
Is CalExtract free?
Which has better reviews, Kalkulilo (Calculator) or CalExtract?
Do Kalkulilo (Calculator) or CalExtract have ads?
Which is updated more often, Kalkulilo (Calculator) or CalExtract?
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