# Calculator ⁺⁻ vs + Simple Calc

The clearest difference is review sentiment: + Simple Calc at 100% against Calculator ⁺⁻'s 50%. + Simple Calc also leads on ads (none vs shown) and update cadence (every 5 days vs every 15 months). Calculator ⁺⁻'s advantage is ratings volume (40 vs 2) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

+ Simple Calc 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 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Calculator ⁺⁻'s written reviews are positive against 100% of + Simple Calc's.

Calculator ⁺⁻ ships an update every 15 months, + Simple Calc every 5 days. The most recent releases landed on September 7, 2026 and July 1, 2026 respectively.

## The numbers

| Metric | Calculator ⁺⁻ | + Simple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (40 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/plus-simple-calc/id6448763641/reviews)** |
| Number of ratings | **40** | 2 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | **Every 5 days** |
| Monetization | Ad-supported | **Free** |
| Size | 4 MB | 4 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Matrix Software Co.](https://appshunter.io/developer/1457004046) | [Alejandro de la Rosa Cortes](https://appshunter.io/developer/1506520491) |

## What reviewers say

### 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


### + Simple Calc

[App page](https://appshunter.io/ios/app/plus-simple-calc/id6448763641)

Perform calculations with a standard calculator that offers extensive customization. Choose from 17 color themes and custom icons, plus enjoy light and dark mode support.

**Highlights:** Standard calculator functionality, Light and dark mode, 17 color themes, Custom icons, iPhone support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator ⁺⁻ free?

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

### Is + Simple Calc free?

+ Simple Calc is free to download, with no in-app purchases.

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

+ Simple Calc is rated higher. Calculator ⁺⁻ averages 4.7 out of 5 from 40 ratings, while + Simple Calc averages 5.0 from 2 ratings.

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

Calculator ⁺⁻ shows ads; + Simple Calc does not.

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

Calculator ⁺⁻ ships an update every 15 months, and + Simple Calc every 5 days. Most recently, Calculator ⁺⁻ was updated on September 7, 2026 and + Simple Calc on July 1, 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.*