Calculator vs Calculator ⁺⁻
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
This ad-free utility offers a clean and intuitive interface for performing calculations. It includes essential features like a backspace button and support for parentheses, making complex equations manageable. Enjoy a streamlined calculation experience without interruptions.
- Ad-free experience
- Backspace button
- Parentheses support
- Priority rules
- Easy to use interface
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Ad-free calculator. It includes a backspace button and parentheses. Key Features: Ad-free App Backspace Button Priority Rules Easy To Use
Calculator ⁺⁻
This app offers both basic and scientific calculation functions for iPhone and iPad. Users can customize its appearance, view calculation history, and perform complex equations with high accuracy. It also provides real-time calculation display and adjustable touch feedback.
- Basic and scientific calculator modes
- Over 30 scientific operations
- Calculation history view
- Real-time calculation display
- Customizable color themes
- Adjustable button touch sound/vibration
- High accuracy calculations (75+ significant digits)
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Calculator for iPad and iPhone is an easy to use that includes both a standard and scientific calculator. Calculator app allows you to: • Customize the look of the application by changing the color • Choose between a basic calculator or scientific calculator with more than 30 scientific operations • View history of your calculations on the History Tab • View an equation of your current calculations • Calculate with accuracy to more than 75 significant digits • Use parenthesis and nested parenthesis in your calculations • Change button touch sound with vibration • Displays real time calculation
Screenshots
Verdict
Calculator and Calculator ⁺⁻ both sit at 4.8 stars, but that hides the real split: 93% of Calculator's written reviews are positive against 50% of Calculator ⁺⁻'s. Calculator also leads on ads (none vs shown) and update cadence (monthly vs every 15 months). On price, rating, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for Calculator against 4.7 for Calculator ⁺⁻. That said, the two scores are not equally well evidenced: Calculator has 870 ratings behind it against 42, so its average is the more settled of the two. Written reviews are what separate them: 93% of Calculator's written reviews are positive against 50% of Calculator ⁺⁻'s.
Calculator ships an update monthly, Calculator ⁺⁻ every 15 months. Both last shipped on October 24, 2026.
| Parameter | Calculator | Calculator ⁺⁻ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (870 ratings) — better | 4.7 (42 ratings) |
| Positive reviews | 93.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 870 — better | 42 |
| Update frequency | Monthly — better | Every 15 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Studio Nano Ship, Inc. | Matrix Software Co. |
Customer experience
Calculator
Calculator ⁺⁻
Bugs and requests
Calculator
Reported bugs
2 issues- App abruptly closes on startup (reported twice by one user)
- Does not auto-rotate on iPad Pro
Requested features
6 requests- iPad landscape/rotation mode support
- Scientific calculator functions
- Exponent/power calculation option
- Running total display
- Button press sound effects
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- More customizable color schemes
Calculator ⁺⁻
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator
No in-app purchases
Calculator ⁺⁻
No in-app purchases
Questions
Is Calculator free?
Is Calculator ⁺⁻ free?
Which has better reviews, Calculator or Calculator ⁺⁻?
Do Calculator or Calculator ⁺⁻ have ads?
Which is updated more often, Calculator or Calculator ⁺⁻?
Other comparisons
