The Simple Calculator vs Calculator ⁺⁻
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Simple Calculator
This app offers a straightforward way to perform everyday calculations, including basic arithmetic, roots, percentages, and geometric formulas for common shapes. It supports fractions and offers convenient features like dark mode and copy-paste functionality.
- Basic arithmetic operations
- Roots and percentages
- Geometric calculations for shapes
- Fraction support
- Portrait and landscape modes
- Dark mode
- Copy and paste results
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A simple calculator that can be used in your everyday life. THE SIMPLE CALCULATOR FEATURES: - Portrait and Landscape Mode. - Dark Mode. - Split View. - Copy Results: Press and hold on the number to copy and paste elsewhere. THE SIMPLE CALCULATOR SUPPORTS: - Basic mathematical operations: • Addition, Subtraction, Division, Multiplication. • Power of Two, Power of Three, Square Root, Cubic Root. • Percentages, Inverse Function. - Geometrical applications of everyday shapes: • Square Perimeter, Square Area, Square Diagonal, Cube Volume. • Circle Perimeter, Circle Area, Sphere Surface Area, Sphere Volume, Pi. • Triangle Perimeter, Triangle Area. - Fractions: • Mixed and improper fractions. • WE LOVE FEEDBACK • As always, your feedback is appreciated. Please keep sharing your experience by contacting us through our website, at: www.skottydeveloper.com Enjoying The Simple Calculator? Please show us some love by giving a 5 star review, so we can keep updating with great new features.
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 in-app purchases: Calculator ⁺⁻ at none against The Simple Calculator's 1. The Simple Calculator's advantage is update cadence (weekly vs every 15 months) and review sentiment (77% vs 50%). On price, rating, ads 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. The Simple Calculator sells 1 one-off in-app purchase. Calculator ⁺⁻ asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for The Simple Calculator against 4.7 for Calculator ⁺⁻. Both are backed by a comparable volume of ratings — 189 and 42 respectively. Written reviews are what separate them: 77% of The Simple Calculator's written reviews are positive against 50% of Calculator ⁺⁻'s.
The Simple Calculator ships an update weekly, Calculator ⁺⁻ every 15 months. Both last shipped on November 3, 2026.
| Parameter | The Simple Calculator | Calculator ⁺⁻ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (189 ratings) | 4.7 (42 ratings) — better |
| Positive reviews | 76.9% of reviews — better | 50.0% of reviews |
| Number of ratings | 189 — better | 42 |
| Update frequency | Weekly — better | Every 15 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 28 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Andreas Skotadis | Matrix Software Co. |
Customer experience
The Simple Calculator
Calculator ⁺⁻
In-app purchases
The Simple Calculator
- Remove Ads$0.99
Calculator ⁺⁻
No in-app purchases
Questions
Is The Simple Calculator free?
Is Calculator ⁺⁻ free?
Which has better reviews, The Simple Calculator or Calculator ⁺⁻?
Do The Simple Calculator or Calculator ⁺⁻ have ads?
Which is updated more often, The Simple Calculator or Calculator ⁺⁻?
Other comparisons
