Calculator Pro basic vs Calculator ⁺⁻
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator Pro basic
This calculator app allows extensive customization of its appearance and button functions. Users can personalize wallpapers, button shapes, colors, and even the position of function buttons. It supports various calculation methods and display modes for a tailored user experience.
- Customizable button shapes, colors, and positions
- Set custom wallpaper backgrounds
- Multiple calculation methods and rounding modes
- Adjustable decimal places and angle units
- History log with display options
- Supports portrait and landscape modes
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Calculator Pro basic can change the position and the function of the button and set the wallpaper background freely, not to mention the color and the shape. Optimized to multitasking function of iOS.You can easy to call this app in a "Split View" or "Slide Over". The screen layout will change automatically according to the portrait or landscape mode on your iPad and iPhone and the big buttons fitted to the size and mode of display are easy to view for the user. Try to create your own calculator suitable for your tastes by using abundant setting well. FEATURES : Calculation : - Two Calculation method : functional or sequential - Three rounding mode : rounding , up or cut - Number of digits after the decimal point : free , zero , one , two , three or four - Angle unit : degree or radian Appearance : - Color or Wallpaper : Set the wallpaper with a photograph or a camera, or select a background color - Number Format : Select a digit grouping and decimal point from among the 8 types including India format - Sound of buttons : Select the button sound from nine timbres or turn off Result: - Character color:Freely set color by the slider - Background color:Freely set color and opacity by the slider - Expression color:Freely set color or hide by the slider Button : - Shape : Square , Round Square , Circle , Diamond , Heart or Cogwheel - Size : Large , Medium or Small - Dimensions : Flat , Solid or Outline - Character color:Freely set color by the slider - Background color:Freely set color and opacity by the slider - Position : The position of buttons are freely changed - Function button : Three function buttons can be changed, thease button is include Grand total, Rand, Sine,1/x, Route, etc... History : - Equals : Over write last result or Add the result the history - Vertical (portrait) mode : Indication Left , Hidden or Indication Right - Horizontal (landscape) mode : Indication place Left or Right - character color:Freely set color by the slider - background color:Freely set color and opacity by the slider - Expression color:Freely set color or hide by the slider SUPPORTS : Non retina and Retina display on iPhone, iPad and iPod Touch. iPhone 4 to 8 plus, iPhone SE, iPhone X, iPad 2 to iPad Pro and iPad mini to iPad mini 4 , iPod touch 3gen and later. iOS 8.0 and later.
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
The clearest difference is review sentiment: Calculator Pro basic at 100% against Calculator ⁺⁻'s 50%. Calculator Pro basic also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 15 months). Calculator ⁺⁻'s advantage is ratings volume (40 vs 1). On price, 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.
Calculator Pro basic holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Calculator ⁺⁻ has 40 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Calculator Pro basic's written reviews are positive against 50% of Calculator ⁺⁻'s.
Calculator Pro basic ships an update every 3 weeks, Calculator ⁺⁻ every 15 months. The most recent releases landed on August 3, 2026 and September 7, 2026 respectively.
| Parameter | Calculator Pro basic | Calculator ⁺⁻ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (40 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 1 | 40 — better |
| Update frequency | Every 3 weeks — 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 | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Kenichi Yoshikawa | Matrix Software Co. |
Customer experience
Calculator Pro basic
Calculator ⁺⁻
In-app purchases
Calculator Pro basic
No in-app purchases
Calculator ⁺⁻
No in-app purchases
Questions
Is Calculator Pro basic free?
Is Calculator ⁺⁻ free?
Which has better reviews, Calculator Pro basic or Calculator ⁺⁻?
Do Calculator Pro basic or Calculator ⁺⁻ have ads?
Which is updated more often, Calculator Pro basic or Calculator ⁺⁻?
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