# Calculator + vs The Math Keyboard

The clearest difference is price: Calculator + at Free against The Math Keyboard's $0.99. Calculator + also leads on rating (4.6 vs 3.4) and update cadence (every 5 days vs every 2 months). The Math Keyboard's advantage is in-app purchases (none vs 12) and ads (none vs shown). On device support there is nothing between them.

Calculator + is free to download; The Math Keyboard costs $0.99 up front. Calculator + sells 12 in-app purchases, starting at $4.99 per month. The Math Keyboard asks for nothing beyond the download.

Calculator + holds the better App Store score, 4.6 against 3.4. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 85% of Calculator +'s written reviews are positive against 59% of The Math Keyboard's.

Calculator + ships an update every 5 days, The Math Keyboard every 2 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Calculator + | The Math Keyboard |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews)** | [3.4 (30 ratings)](https://appshunter.io/ios/app/the-math-keyboard/id917470088/reviews) |
| Number of ratings | **10K** | 30 |
| Positive reviews | **84.9% of reviews** | 58.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 49 MB | 50 MB |
| Requires iOS | 16.4 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [Daniel Soffer](https://appshunter.io/developer/290942339) |

## What reviewers say

### Calculator +

[App page](https://appshunter.io/ios/app/calculator-plus/id351815470)

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

**Highlights:** Free basic and scientific calculator, Intuitive interface with equation and result display, Fraction and percent support, Advanced editing capabilities, Polynomial and linear equation solver, Graphing calculator, Unit conversion and geometric calculators

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Calculator | $4.99 | per month |
| Calculator | $39.99 | per year |
| Linear Calculator | $2.99 | one-time |
| Factoring Calculator | $2.99 | one-time |
| Handwriting Calculator | $2.99 | one-time |
| Currency Converter | $2.99 | one-time |
| Themes Pack | $2.99 | one-time |
| Graphing Calculator | $3.99 | one-time |
| Fraction Calculator | $3.99 | one-time |
| Scientific Calculator | $4.99 | one-time |
| Calculator Plus | $4.99 | one-time |
| Calculator | $16.99 | one-time |

**What reviewers like**

- 👍 Great features and easy to use
- 👍 Efficient and quick
- 👍 Versatile, functional calculator
- 👍 Fantastic, easy to use app
- 👍 Awesome calculator app

**What reviewers complain about**

- 🐛 New updated layout is awful
- 🐛 App is now terrible
- 🔒 Paying customer screwed over by update
- 🔒 Now timed trial, no free w/ads version
- 🔒 Not honest

**Reported bugs**

- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes

**Requested features**

- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines


### The Math Keyboard

[App page](https://appshunter.io/ios/app/the-math-keyboard/id917470088)

Access hundreds of math and scientific characters directly from your keyboard. Type symbols anywhere in any app with ease. Includes numbers, trigonometric, algebra, and alphabetical symbols.

**Highlights:** Access hundreds of math symbols, Type symbols in any app, Includes numbers, Trigonometric symbols, Algebra symbols, Alphabetical symbols

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calculator + free?

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

### Is The Math Keyboard free?

The Math Keyboard costs $0.99, with no in-app purchases.

### Which has better reviews, Calculator + or The Math Keyboard?

Calculator + is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while The Math Keyboard averages 3.4 from 30 ratings.

### Do Calculator + or The Math Keyboard have ads?

Calculator + shows ads; The Math Keyboard does not.

### Which is updated more often, Calculator + or The Math Keyboard?

Calculator + ships an update every 5 days, and The Math Keyboard every 2 months. Most recently, Calculator + was updated on October 20, 2026 and The Math Keyboard on October 15, 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.*