Basic Calculator vs Big Button Calculator Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Basic Calculator
A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.
- Large, easy-to-press buttons
- Multiple beautiful skins
- Basic arithmetic operations
- Standard memory functions
- Supports large numbers (up to 60 digits)
- Multitasking support (Split View, Slide Over)
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Calculator Free is a great free calculator with beautiful HD graphics and multiple skins! Features: - Supports multitasking on iPad devices - Split View and Slide Over features - Multiple beautiful skins - General calculations: adding, subtracting, multiplying, dividing, square-rooting - Standard memory functions: Memory Addition, Memory Subtraction, Memory Recall, Memory Clear - Thousands separators option - Can handle very large numbers - up to 60 digits! (never displays in scientific notation) - Large, easy to press buttons - Copy / Paste buttons - Key click sound effect The user interface is translated in the following languages: English, Spanish, French, Italian, German, Portuguese, Russian, Japanese, Chinese (simplified and traditional), Dutch, Norwegian, Danish, Korean, Turkish, Indonesian, Finnish, Swedish, Greek, Polish, Czech, Hungarian, Slovak, Bulgarian. Privacy Policy: https://calculator-app-free.com/privacy-policy/ Terms of Use: https://calculator-app-free.com/terms-of-use/
Big Button Calculator Pro
A user-friendly calculator app featuring large, colorful buttons and a dual-line display for simultaneous input and result viewing. It supports long equations, offers customizable themes and sounds, and includes accessibility features.
- Dual-line display
- Big buttons
- 18 color themes
- Multi-line input
- Gesture controls
- VoiceOver accessibility
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This is THE BEST calculator for iOS with big buttons and colorful backgrounds! ・Dual-line display - shows the input and result at the same time ・Percentage and backspace button ・18 color themes ・Multi-line input for really long equations ・Automatic scientific formatting ・VoiceOver accessibility ・Split View Gestures ・Swipe left on the display to backspace ・Swipe right on the display to clear ・Tap & hold on the result to copy ・Tap & hold on the input to move the cursor, copy, paste Customize ・Color Theme ・Sound URL Scheme: bigcalculatorpro://
Screenshots
Verdict
The clearest difference is price: Basic Calculator at Free against Big Button Calculator Pro's $9.99. Basic Calculator also leads on ratings volume (3.2K vs 463). Big Button Calculator Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, review sentiment, update cadence and device support 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
Basic Calculator is free to download; Big Button Calculator Pro costs $9.99 up front. Basic Calculator sells 1 one-off in-app purchase. Big Button Calculator Pro asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.8 for Basic Calculator against 4.9 for Big Button Calculator Pro. That said, the two scores are not equally well evidenced: Basic Calculator has 3.2K ratings behind it against 463, so its average is the more settled of the two. Written reviews are what separate them: 74% of Basic Calculator's written reviews are positive against 79% of Big Button Calculator Pro's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.
| Parameter | Basic Calculator | Big Button Calculator Pro |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.8 (3.2K ratings) | 4.9 (463 ratings) — better |
| Positive reviews | 74.3% of reviews | 78.6% of reviews — better |
| Number of ratings | 3.2K — better | 463 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 100 MB | 27 MB |
| Age rating | +4 | 4+ |
| Developer | MobArts | Cider Software LLC |
Customer experience
Basic Calculator
Big Button Calculator Pro
Bugs and requests
Basic Calculator
Reported bugs
2 issues- Crashes or freezes after iOS updates
- Percent key not functioning correctly
Requested features
3 requests- Reinstate iPhone version
- Add scientific calculator functions
- Improve memory retention
Big Button Calculator Pro
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Basic Calculator
- Banner Ad Removal$0.99
Big Button Calculator Pro
No in-app purchases
Questions
Is Basic Calculator free?
Is Big Button Calculator Pro free?
Which has better reviews, Basic Calculator or Big Button Calculator Pro?
Do Basic Calculator or Big Button Calculator Pro have ads?
Which is updated more often, Basic Calculator or Big Button Calculator Pro?
Other comparisons
