# The Simple Calculator vs Calculator ⁺⁻

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.

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.

## The numbers

| Metric | The Simple Calculator | Calculator ⁺⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (189 ratings)](https://appshunter.io/ios/app/the-simple-calculator-solve/id1525169566/reviews) | **[4.7 (42 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews)** |
| Number of ratings | **189** | 42 |
| Positive reviews | **76.9% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 15 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 28 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Skotadis](https://appshunter.io/developer/1525168367) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### The Simple Calculator

[App page](https://appshunter.io/ios/app/the-simple-calculator-solve/id1525169566)

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.

**Highlights:** Basic arithmetic operations, Roots and percentages, Geometric calculations for shapes, Fraction support, Portrait and landscape modes, Dark mode, Copy and paste results

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Calculator ⁺⁻

[App page](https://appshunter.io/ios/app/calculator/id6443813573)

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.

**Highlights:** 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)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is The Simple Calculator free?

The Simple Calculator is free to download, with in-app purchases available.

### Is Calculator ⁺⁻ free?

Calculator ⁺⁻ is free to download, with no in-app purchases.

### Which has better reviews, The Simple Calculator or Calculator ⁺⁻?

Calculator ⁺⁻ is rated higher. The Simple Calculator averages 4.6 out of 5 from 189 ratings, while Calculator ⁺⁻ averages 4.7 from 42 ratings.

### Do The Simple Calculator or Calculator ⁺⁻ have ads?

Both The Simple Calculator and Calculator ⁺⁻ show ads.

### Which is updated more often, The Simple Calculator or Calculator ⁺⁻?

The Simple Calculator ships an update weekly, and Calculator ⁺⁻ every 15 months. Most recently, The Simple Calculator was updated on November 3, 2026 and Calculator ⁺⁻ on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*