Calculator vs CALC Smart Calculator ±
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
This app offers a comprehensive scientific calculator with multiple modes, including algebraic, scientific, conversions, and logic calculations. It features a user-friendly design with large buttons and remembers your progress if interrupted.
- Algebraic entry
- Scientific calculations
- Unit conversions (length, area, volume, etc.)
- Logic calculator (binary, octal, decimal, hex)
- 10 memory registers
- Wide number range support
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Here's a full-featured scientific calculator for your iPhone or iPod touch. It's really six calculators in one, with new button sets exposed by a tap on the tab bar. Features are important, but it's the little things that count, right? Little things like a design that looks like it belongs on your iPhone; big, easy to press buttons; a delete key in case you hit the wrong one; and picking up right where you left off if you are interrupted by a phone call--even in the middle of entering a number. Features: 1. Algebraic entry 2. Scientific calculations 3. Conversions for - Length - Area - Volume - Temperature - Mass - Speed 4. Logic calculator supporting base 2, 8, 10 and 16 5. 10 memory registers 6. Numbers range from about 1e-313 to 1e308 7. Displays 14 significant digits
CALC Smart Calculator ±
This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.
- Real-time results
- Unit and currency conversions
- Custom functions and constants
- Shareable calculation history
- Landscape mode with tape-roll
- Gratuity calculator
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Why Choose CALC Smart? ► Used by Scientists, Professionals and Students alike ► Apple-Featured: Spotlighted in Utilities and Calculate & Convert. ► User-Loved: Over 10k+ global reviews and 200M+ sessions validate its utility. ► Educator-Certified: Praised by teachers on the Educational App Store for its intuitive UI. Ready for the Latest OS * Multitask on your iPad and use 3D Touch shortcuts. * Search your calculation history with Spotlight. * Widget with history integration. * Apple Watch support, complete with haptic feedback and complications. Top 10 Unique Features ① Real-time results, even with incomplete parentheses. ② Landscape mode for shareable history and tape-roll. ③ Optimized custom keyboard & widget to save space and time. ④ Fast unit and currency conversions—a swipe away. ⑤ Quick gratuity calculator with rounding options. ⑥ Display decimals as fractions with 1/999 precision. ⑦ Create unlimited custom functions and constants. ⑧ Easy expression sharing via link. ⑨ Built-in timer. ⑩ Limitless themes and layouts. Why Users Love CALC * Live Math: Natural input, even for complex calculations. * Swipe Functions: Over 60 advanced math functions just a swipe away. * History: Never lose track of your calculations. * Conversion: 21 categories, plus custom options. Additional Features * Edit on the Fly: Long-press to modify expressions and numbers. * Audio Feedback: Customize tapping sounds. * Styling: Multiple font choices. * Enterprise-Ready: EMM support with MDM & AppConfig. We Listen * Frequent updates based on your feedback. Got a suggestion? Visit our UserVoice page: https://QApps.UserVoice.com Custom Background Tip * Design your own CALC background with images from NASA’s multimedia library: https://nasa.gov/multimedia Terms & Usage * Using this app means agreeing to the standard Terms of Use. Standard Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: CALC Smart Calculator ± at Free against Calculator's $1.99. CALC Smart Calculator ± also leads on rating (4.8 vs 4.0) and update cadence (fortnightly vs every 11 months). Calculator's advantage is in-app purchases (none vs 4) and iOS requirement (15.6 vs 17.0). 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
CALC Smart Calculator ± is free to download; Calculator costs $1.99 up front. CALC Smart Calculator ± sells 4 in-app purchases, starting at $0.99 per 3 months. Calculator asks for nothing beyond the download.
CALC Smart Calculator ± holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: CALC Smart Calculator ± has 2.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 60% of Calculator's written reviews are positive against 87% of CALC Smart Calculator ±'s.
Calculator ships an update every 11 months, CALC Smart Calculator ± fortnightly. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.
| Parameter | Calculator | CALC Smart Calculator ± |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.0 (1 ratings) | 4.8 (2.4K ratings) — better |
| Positive reviews | 60.0% of reviews | 87.3% of reviews — better |
| Number of ratings | 1 | 2.4K — better |
| Update frequency | Every 11 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Byte Works, Inc. | QApps LLC |
Customer experience
Calculator
CALC Smart Calculator ±
Bugs and requests
Calculator
Not enough reviews yet to summarise bugs or requests.
CALC Smart Calculator ±
Reported bugs
3 issues- Calculation errors in certain scenarios
- Forced tutorial popup on every launch
- Unreliable widget functionality
Requested features
4 requests- Ability to easily clear calculation history
- Option to customize button layout
- Support for entering hexadecimal numbers
- Integration with other apps and services
In-app purchases
Calculator
No in-app purchases
CALC Smart Calculator ±
- Quarterly Supporter$0.993 Months
- Quarterly Supporter7 Days trial$1.993 Months
- Annual Contributor$2.991 Year
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- Annual Contributor7 Days trial$5.991 Year
Questions
Is Calculator free?
Is CALC Smart Calculator ± free?
Which has better reviews, Calculator or CALC Smart Calculator ±?
Do Calculator or CALC Smart Calculator ± have ads?
Which is updated more often, Calculator or CALC Smart Calculator ±?
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