# Calculator vs Calculator ⁺⁻

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.

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.

## The numbers

| Metric | Calculator | Calculator ⁺⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (870 ratings)](https://appshunter.io/ios/app/calculator-calcright/id932093526/reviews)** | [4.7 (42 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews) |
| Number of ratings | **870** | 42 |
| Positive reviews | **93.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 15 months |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Studio Nano Ship, Inc.](https://appshunter.io/developer/818733631) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-calcright/id932093526)

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.

**Highlights:** Ad-free experience, Backspace button, Parentheses support, Priority rules, Easy to use interface

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

**In-app purchases:** none

**What reviewers like**

- 👍 No advertisements or in-app purchases
- 👍 Simple and intuitive user interface
- 👍 Easy to read and clear display
- 👍 Backspace/delete key functionality
- 👍 Calculation history/storage feature

**What reviewers complain about**

- 📱 Does not support landscape/rotation mode on iPad
- 🎨 Obnoxious color scheme (pink and green)
- ❌ Missing scientific calculator features
- ❌ Limited advanced functionality
- 🐛 App crashes on startup (occasional)

**Reported bugs**

- App abruptly closes on startup (reported twice by one user)
- Does not auto-rotate on iPad Pro

**Requested features**

- iPad landscape/rotation mode support
- Scientific calculator functions
- Exponent/power calculation option
- Running total display
- Button press sound effects


### 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 Calculator free?

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

### Is Calculator ⁺⁻ free?

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

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

Calculator is rated higher. Calculator averages 4.8 out of 5 from 870 ratings, while Calculator ⁺⁻ averages 4.7 from 42 ratings.

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

Calculator ⁺⁻ shows ads; Calculator does not.

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

Calculator ships an update monthly, and Calculator ⁺⁻ every 15 months. Most recently, Calculator was updated on October 24, 2026 and Calculator ⁺⁻ on October 24, 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.*