# Calculator Pro basic vs Calculator ⁺⁻

The clearest difference is review sentiment: Calculator Pro basic at 100% against Calculator ⁺⁻'s 50%. Calculator Pro basic also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 15 months). Calculator ⁺⁻'s advantage is ratings volume (40 vs 1). On price, 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.

Calculator Pro basic 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 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Calculator Pro basic's written reviews are positive against 50% of Calculator ⁺⁻'s.

Calculator Pro basic ships an update every 3 weeks, Calculator ⁺⁻ every 15 months. The most recent releases landed on August 3, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Calculator Pro basic | Calculator ⁺⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calculator-pro-basic/id1042600645/reviews)** | [4.7 (40 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews) |
| Number of ratings | 1 | **40** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 15 months |
| Monetization | **Free** | Ad-supported |
| Size | 7 MB | 4 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kenichi Yoshikawa](https://appshunter.io/developer/954163256) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### Calculator Pro basic

[App page](https://appshunter.io/ios/app/calculator-pro-basic/id1042600645)

This calculator app allows extensive customization of its appearance and button functions. Users can personalize wallpapers, button shapes, colors, and even the position of function buttons. It supports various calculation methods and display modes for a tailored user experience.

**Highlights:** Customizable button shapes, colors, and positions, Set custom wallpaper backgrounds, Multiple calculation methods and rounding modes, Adjustable decimal places and angle units, History log with display options, Supports portrait and landscape modes

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Pro basic free?

Calculator Pro basic 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 Pro basic or Calculator ⁺⁻?

Calculator Pro basic is rated higher. Calculator Pro basic averages 5.0 out of 5 from 1 ratings, while Calculator ⁺⁻ averages 4.7 from 40 ratings.

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

Calculator ⁺⁻ shows ads; Calculator Pro basic does not.

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

Calculator Pro basic ships an update every 3 weeks, and Calculator ⁺⁻ every 15 months. Most recently, Calculator Pro basic was updated on August 3, 2026 and Calculator ⁺⁻ on September 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.*