Classicalc calculator vs Calculator 17
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Classicalc calculator
This calculator app offers instant calculations as you type, following the mathematical order of operations. It features unique piano sound themes and allows seamless continuation of calculations across iPhone and Apple Watch. Your equations are automatically saved for convenience.
- Instant calculation as you type
- Mathematical order of operators
- Cross-device continuity (iPhone/Watch)
- Automatic equation saving
- 14 piano sound themes
- Copy result to clipboard
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Classicalc is a unique, the most classy calculator app on the App Store. It's designed to be beautiful and simple, but also… to sound amazing! Each color theme has its own, actual Grand Piano major scale! It's Chopin-awesome! Underneath it beautiful simplicity, there's some serious technology powering Classicalc: ## Instant Calculation calculates the formula as you type, so you never have to use the equals sign (=). We spare you one unnecessary tap at a time. ## Classicalc calculates result using mathematical order of operators (× ÷ + -) so if you would like to add 1 to 1 and then multiply the result by 2, you should write (1 + 1) × 2 instead of 1 + 1 × 2 ## You can start your calculations on your iPhone, then Continue on your Apple Watch, and the other way around. ## Your most recent equation is always saved, even if you shut the app. When you run it again, The formula is instantly there. ## 14 great-looking backgrounds with related actual Grand Piano major scales. Change colors and major scales on iPhone app (by pressing little diamond in top-left corner) to change colors on Apple Watch. ## In case the numbers bore you, you can always play a song. It's Chopin-awesome! *** Tips *** - long press "backspace" button to clear whole expression (you can also force touch on your Watch) - long press the result on your iPhone/iPad to copy it to the system clipboard
Calculator 17
This app offers a user-friendly calculator with basic and scientific modes. Access calculations instantly via a home screen widget and review past computations in a saved history.
- User-friendly interface
- Basic and scientific modes
- Home screen widget
- LiveActivity Standby for iPhone
- Calculation history
- Customizable themes
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Introducing Calculator 17, the ultimate tool for all your math needs on the go! *** - User-Friendly: Calculator 17 makes math feel easy and quick, perfect for both school tasks and daily math jobs. *** - Various Modes: Whether it's basic addition or advanced calculations, we have you covered. Switch between the simple calculator and Scientific mode easily. *** - Instant Access: No more searching for the app. With our homescreen widget and LiveActivity Standby for iPhone, perform calculations directly on your main screen, all while choosing from a variety of fun themes. *** - Never Forget: Your calculations are always saved in our handy history tab. Want to share or copy them? It's just one tap away. Calculator 17 isn’t just another math app. It’s your trusty helper, ready to handle any math challenge. Whether you're a student in need of a school calculator or someone who loves playing with numbers, our calculator is the perfect fit.
Screenshots
Verdict
The clearest difference is price: Calculator 17 at Free against Classicalc calculator's $0.99. Calculator 17 also leads on rating (4.6 vs 3.8) and update cadence (every 4 days vs every 20 months). Classicalc calculator's advantage is review sentiment (63% vs 22%) and device support (5 vs 2). On ads and in-app purchases 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
Calculator 17 is free to download; Classicalc calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calculator 17 holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Calculator 17 has 971 ratings behind it against 13, so its average is the more settled of the two. Written reviews complicate that: 63% of Classicalc calculator's written reviews are positive against 22% of Calculator 17's, so the app with the better star average is not the one people write more warmly about.
Classicalc calculator ships an update every 20 months, Calculator 17 every 4 days. The most recent releases landed on June 11, 2026 and September 17, 2026 respectively.
| Parameter | Classicalc calculator | Calculator 17 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.8 (13 ratings) | 4.6 (971 ratings) — better |
| Positive reviews | 62.5% of reviews — better | 21.5% of reviews |
| Number of ratings | 13 | 971 — better |
| Update frequency | Every 20 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 14 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Lukasz Kowalski | AI APPS SRL |
Customer experience
Classicalc calculator
Calculator 17
Bugs and requests
Classicalc calculator
Not enough reviews yet to summarise bugs or requests.
Calculator 17
Reported bugs
3 issues- Widget shows up blank
- Numerical display is cut off
- Significant delay between key presses and display update
Requested features
3 requests- Add landscape mode support
- Improve widget responsiveness
- Increase bracket functionality
In-app purchases
Classicalc calculator
No in-app purchases
Calculator 17
No in-app purchases
Questions
Is Classicalc calculator free?
Is Calculator 17 free?
Which has better reviews, Classicalc calculator or Calculator 17?
Do Classicalc calculator or Calculator 17 have ads?
Which is updated more often, Classicalc calculator or Calculator 17?
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