Classicalc calculator vs Haseba Calculator
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
Haseba Calculator
This app offers a user-friendly calculator with both basic and scientific functions. It features a clean interface, voice input, and convenient history tracking. Advanced options include memory slots for storing values and applying operations to them.
- Scientific calculator
- Voice calculator
- Calculation history
- Copy and paste functionality
- Dynamic themes
- Memory slots with operations
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While building Haseba, we focused most of our energy on the user interface. We think that the key to any great app is a beautiful, and simple design that works seamlessly with the app's features. • Scientific Calculator • Voice Calculator • History (Swipe down in the display area) • Copy and Paste • Dynamic Light / Dark Themes (and icons) • Larger Buttons Option • Available on Apple Watch Memory Slots • Save a value inside one of 11 memory slots to use them in calculations later • A value may be the result of a previous calculation, or pasted from the clipboard into a memory slot • The process to store a value in a memory slot is very easy and fast, just drag down a memory slot • Copy memory slot value to clipboard • After having a set of occupied memory slots, you can apply one of six different operations on them in one tap: sum, average, product, median, max, min, of the occupied memory slots. ___________________________________________ Terms & Privacy: https://bit.ly/haseba-terms-privacy Need help or have questions? Reach out to us at haseba-app@hotmail.com
Screenshots
Verdict
The clearest difference is price: Haseba Calculator at Free against Classicalc calculator's $0.99. Haseba Calculator also leads on rating (4.6 vs 3.8) and update cadence (every 2 months vs every 20 months). Classicalc calculator's advantage is in-app purchases (none vs 7) and device support (5 vs 3). 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
Haseba Calculator is free to download; Classicalc calculator costs $0.99 up front. Haseba Calculator sells 7 in-app purchases, starting at $0.99 per 7 days. Classicalc calculator asks for nothing beyond the download.
Haseba Calculator holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Haseba Calculator has 3.8K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 63% of Classicalc calculator's written reviews are positive against 78% of Haseba Calculator's.
Classicalc calculator ships an update every 20 months, Haseba Calculator every 2 months. The most recent releases landed on June 11, 2026 and September 23, 2026 respectively.
| Parameter | Classicalc calculator | Haseba Calculator |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.8 (13 ratings) | 4.6 (3.8K ratings) — better |
| Positive reviews | 62.5% of reviews | 78.1% of reviews — better |
| Number of ratings | 13 | 3.8K — better |
| Update frequency | Every 20 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod, Mac, Apple Watch — better | iPhone, iPad, Apple Watch |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 14 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Lukasz Kowalski | Ahmad Almazeedi |
Customer experience
Classicalc calculator
Haseba Calculator
Bugs and requests
Classicalc calculator
Not enough reviews yet to summarise bugs or requests.
Haseba Calculator
Reported bugs
2 issues- Calculation errors with certain inputs
- Inability to edit or copy results
Requested features
3 requests- Add history and editing capabilities
- Support for hardware keyboard
- Improve percentage calculation accuracy
In-app purchases
Classicalc calculator
No in-app purchases
Haseba Calculator
- Voice Mode$0.997 Days
- Haseba Voice Mode$2.991 Month
- Haseba Voice Mode$19.991 Year
- Unlock Themes & Icons$0.99
- HasebaPro$2.99
- HasebaPro$3.99
Show 1 moreShow fewer
- HasebaPro$4.99
Questions
Is Classicalc calculator free?
Is Haseba Calculator free?
Which has better reviews, Classicalc calculator or Haseba Calculator?
Do Classicalc calculator or Haseba Calculator have ads?
Which is updated more often, Classicalc calculator or Haseba Calculator?
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