# Calculator # Converter vs Calculator ⁺⁻

The clearest difference is in-app purchases: Calculator ⁺⁻ at none against Calculator # Converter's 6. Calculator ⁺⁻ also leads on rating (4.7 vs 4.3) and device support (3 vs 1). Calculator # Converter's advantage is ads (none vs shown) and review sentiment (83% vs 50%). On price and ratings volume there is nothing between them.

Both are free to download. Calculator # Converter sells 6 one-off in-app purchases. Calculator ⁺⁻ asks for nothing beyond the download.

Calculator ⁺⁻ holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 70 and 42 respectively. Written reviews complicate that: 83% of Calculator # Converter's written reviews are positive against 50% of Calculator ⁺⁻'s, so the app with the better star average is not the one people write more warmly about.

Calculator # Converter ships an update every 2 months, Calculator ⁺⁻ every 15 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator # Converter | Calculator ⁺⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (70 ratings)](https://appshunter.io/ios/app/calculator-converter/id493858733/reviews) | **[4.7 (42 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews)** |
| Number of ratings | **70** | 42 |
| Positive reviews | **83.4% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 56 MB | 4 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PPCLINK Software](https://appshunter.io/developer/833424538) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### Calculator # Converter

[App page](https://appshunter.io/ios/app/calculator-converter/id493858733)

This app offers a comprehensive suite of calculation tools, including scientific, currency, unit, and financial functions. It features advanced capabilities like graphing, equation solving, and a vast constants library, making it suitable for students and professionals alike.

**Highlights:** Scientific calculator functions, Currency and unit converter, Date and time calculations, Financial calculator, Graphing and equation solver, Constants library, RPN mode support

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| "Joyful skins" | $0.99 | one-time |
| Formula Toolkit | $0.99 | one-time |
| Periodic Table | $0.99 | one-time |
| Daily Calculating | $1.99 | one-time |
| Engineering & Financial Calculator | $1.99 | one-time |
| "Unlock All features" | $2.99 | one-time |

**What reviewers like**

- 👍 No ads
- 🚀 Powerful features
- 💡 Tip calculator
- 🔒 No in-app purchases
- 👍 Clean and intuitive interface

**What reviewers complain about**

- 🐛 Occasional crashes
- 🐛 Syntax errors in some functions
- 🐛 Issues with decimal character
- 🔋 Popup ads after updates
- 🔋 Forced to select keyboard each time

**Reported bugs**

- Syntax errors in some functions
- Crashes when trying to delete app
- Incompatibility with older iOS versions

**Requested features**

- Dark mode option
- Ability to annotate saved calculations
- Customizable decimal character
- Repeated equals function


### 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 # Converter free?

Calculator # Converter 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 # Converter or Calculator ⁺⁻?

Calculator ⁺⁻ is rated higher. Calculator # Converter averages 4.3 out of 5 from 70 ratings, while Calculator ⁺⁻ averages 4.7 from 42 ratings.

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

Calculator ⁺⁻ shows ads; Calculator # Converter does not.

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

Calculator # Converter ships an update every 2 months, and Calculator ⁺⁻ every 15 months. Most recently, Calculator # Converter was updated on October 21, 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.*