# Calculator vs Calculator ⁺⁻

Calculator and Calculator ⁺⁻ both sit at 4.6 stars, but that hides the real split: 99% of Calculator's written reviews are positive against 50% of Calculator ⁺⁻'s. Calculator also leads on ads (none vs shown) and update cadence (every 5 days vs every 15 months). Calculator ⁺⁻'s advantage is in-app purchases (none vs 1). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. 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 Calculator against 4.7 for Calculator ⁺⁻. Both are backed by a comparable volume of ratings — 16 and 42 respectively. Written reviews are what separate them: 99% of Calculator's written reviews are positive against 50% of Calculator ⁺⁻'s.

Calculator ships an update every 5 days, Calculator ⁺⁻ every 15 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Calculator | Calculator ⁺⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (16 ratings)](https://appshunter.io/ios/app/calculator-simple-and-powerful/id1443079551/reviews) | **[4.7 (42 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews)** |
| Number of ratings | 16 | **42** |
| Positive reviews | **98.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 15 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 18 MB | 4 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [新平 朱](https://appshunter.io/developer/1592650784) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-simple-and-powerful/id1443079551)

This application provides a straightforward and efficient calculator experience. It offers features like calculation history, easy editing of previous entries, and the ability to reuse past results. Mark important calculations and share your work with others.

**Highlights:** Calculation history, Click to modify entries, Recalculation for corrections, Use previous results, Mark important calculations, Copy and share results

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Edition (no ads) | $1.99 | one-time |

**What reviewers like**

- 👍 Very easy to use
- 👍 More convenient than built-in calculator
- 💡 History/record keeping
- 💡 Can edit/delete previous entries
- 💡 Clear display of calculation steps

**What reviewers complain about**

- 🐛 Ads are very disruptive
- 💡 Some features are paid
- 💡 Keyboard could be smaller

**Reported bugs**

- Ads periodically block the entire screen

**Requested features**

- Add scientific calculation features
- Display results while inputting
- Option to remove trailing commas in copy/paste


### 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 in-app purchases available.

### 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 4.6 out of 5 from 16 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 every 5 days, and Calculator ⁺⁻ every 15 months. Most recently, Calculator was updated on November 2, 2026 and Calculator ⁺⁻ on November 7, 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.*