Kalkulilo (Calculator) vs Apple A Day App
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.
Apple A Day App
This app helps you remember and consistently perform recurring lifestyle tasks that are important for your well-being. It focuses on habits and routines rather than one-off to-do items, encouraging a better daily routine.
- Recurring task reminders
- Focus on lifestyle habits
- Daily routine planning
- Encourages consistent actions
- Improve daily life
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Apple A Day App reminds you do the things that really matters, things that should be done on periodic basis. Apple A Day App IS NOT a ToDo app, you won't be able to add tasks and mark them as done for good, it'll be only good for the recurring life-style tasks, like: - Hitting the Gym. - Taking vitamins. - Reading a part from a book (a long journey book reading). - Scheduling your running. - Walking the dog. - Cleaning the house. - Meditating. - Learning a new language. - Paying rent. - Watering the flowers. - Doing daily physical activity with the kids. - Remembering to smile every day :) - Writing your ToDo list (in the morning). - Planning your day (the night before). Please send us as much feedback as you can, we wanna improve our lives using this app and it would be awesome if it helps somebody else to get a hold of his/her important tasks. Suggest us an improvement: AppleADay@nWeave.com For a better life - Remember to do the things that really matters! Learn more about An Apple A Day App from here: http://youtu.be/U-Dd5X7i-tw http://youtu.be/M3LSoH6NRdk
Screenshots
Verdict
The clearest difference is price: Apple A Day App at Free against Kalkulilo (Calculator)'s $2.99. Apple A Day App also leads on in-app purchases (none vs 1) and review sentiment (88% vs 76%). Kalkulilo (Calculator)'s advantage is update cadence (every 2 months vs every 20 months). On rating, ratings volume, ads and monetization model 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
Apple A Day App is free to download; Kalkulilo (Calculator) costs $2.99 up front. Kalkulilo (Calculator) sells 1 one-off in-app purchase. Apple A Day App asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Kalkulilo (Calculator) against 4.5 for Apple A Day App. Both are backed by a comparable volume of ratings — 29 and 41 respectively. Written reviews are what separate them: 76% of Kalkulilo (Calculator)'s written reviews are positive against 88% of Apple A Day App's.
Kalkulilo (Calculator) ships an update every 2 months, Apple A Day App every 20 months. Both last shipped on November 6, 2026.
| Parameter | Kalkulilo (Calculator) | Apple A Day App |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.5 (29 ratings) | 4.5 (41 ratings) — better |
| Positive reviews | 75.8% of reviews | 88.0% of reviews — better |
| Number of ratings | 29 | 41 — better |
| Update frequency | Every 2 months — better | Every 20 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 9.1 — better |
| Further details — not scored | ||
| Size | 3 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Clauss | nWeave |
Customer experience
Kalkulilo (Calculator)
Apple A Day App
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
Apple A Day App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Kalkulilo (Calculator)
- Remove Ads$0.99
Apple A Day App
No in-app purchases
Questions
Is Kalkulilo (Calculator) free?
Is Apple A Day App free?
Which has better reviews, Kalkulilo (Calculator) or Apple A Day App?
Do Kalkulilo (Calculator) or Apple A Day App have ads?
Which is updated more often, Kalkulilo (Calculator) or Apple A Day App?
Other comparisons
