# Basic Calculator vs Calculator +

The clearest difference is price: Basic Calculator at Free against Calculator +'s $3.99. Basic Calculator also leads on review sentiment (76% vs 33%) and rating (4.8 vs 4.4). Calculator +'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Basic Calculator is free to download; Calculator + costs $3.99 up front. Basic Calculator sells 1 one-off in-app purchase. Calculator + asks for nothing beyond the download.

Basic Calculator holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Basic Calculator has 3.3K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 76% of Basic Calculator's written reviews are positive against 33% of Calculator +'s.

Basic Calculator ships an update every 2 months, Calculator + every 3 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Basic Calculator | Calculator + |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.8 (3.3K ratings)](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248/reviews)** | [4.4 (13 ratings)](https://appshunter.io/ios/app/calculator-plus-twin-plus-app/id1378597024/reviews) |
| Number of ratings | **3.3K** | 13 |
| Positive reviews | **75.9% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 100 MB | 27 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [MobArts](https://appshunter.io/developer/429185872) | [Satomi Uchida](https://appshunter.io/developer/1340507560) |

## What reviewers say

### Basic Calculator

[App page](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248)

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

**Highlights:** Large, easy-to-press buttons, Multiple beautiful skins, Basic arithmetic operations, Standard memory functions, Supports large numbers (up to 60 digits), Multitasking support (Split View, Slide Over)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads: Math & Percentage | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Useful copy and paste functions
- 👍 Clear and large display
- 👍 Variety of skins/themes
- 👍 Responsive and fast

**What reviewers complain about**

- 🐛 Compatibility issues with iOS updates
- 🐛 Inaccurate calculations with larger numbers
- 🔋 Slow load times
- 🔍 Intrusive ads

**Reported bugs**

- Crashes or freezes after iOS updates
- Percent key not functioning correctly

**Requested features**

- Reinstate iPhone version
- Add scientific calculator functions
- Improve memory retention


### Calculator +

[App page](https://appshunter.io/ios/app/calculator-plus-twin-plus-app/id1378597024)

This advanced calculator offers multiple calculation modes, a persistent history log, and customizable themes. It functions offline and is compatible with Mac devices, providing a comprehensive tool for various mathematical needs.

**Highlights:** Multiple calculator modes, Calculation history log, Customizable color themes, Global comma formatting, Offline functionality, Mac compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Basic Calculator free?

Basic Calculator is free to download, with in-app purchases available.

### Is Calculator + free?

Calculator + costs $3.99, with no in-app purchases.

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

Basic Calculator is rated higher. Basic Calculator averages 4.8 out of 5 from 3.3K ratings, while Calculator + averages 4.4 from 13 ratings.

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

Basic Calculator shows ads; Calculator + does not.

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

Basic Calculator ships an update every 2 months, and Calculator + every 3 months. Most recently, Basic Calculator was updated on October 29, 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.*