# Calculator + vs X123 Calculator with memory

The clearest difference is ads: X123 Calculator with memory at none against Calculator +'s shown. X123 Calculator with memory also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 85%). Calculator +'s advantage is ratings volume (10K vs 2) and update cadence (every 5 days vs fortnightly). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month and X123 Calculator with memory sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

X123 Calculator with memory holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 2, 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 100% of X123 Calculator with memory's.

Calculator + ships an update every 5 days, X123 Calculator with memory fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator + | X123 Calculator with memory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/x123-calculator-with-memory/id6469709507/reviews)** |
| Number of ratings | **10K** | 2 |
| Positive reviews | 84.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 50 MB | 20 MB |
| Requires iOS | 16.4 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [Botto Ingenierie Informatique](https://appshunter.io/developer/1712510068) |

## 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, iPhone Duo 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


### X123 Calculator with memory

[App page](https://appshunter.io/ios/app/x123-calculator-with-memory/id6469709507)

This free calculator app offers basic and scientific functions, memory storage, and time calculations. Customize its appearance and layout for enhanced efficiency in everyday tasks and complex computations.

**Highlights:** Basic and scientific calculations, Value memory function, Time calculation with NOW key, Landscape and dark modes, Dual keyboards in landscape, Advanced key customization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads removal | $3.99 | one-time |


## Frequently asked questions

### Is Calculator + free?

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

### Is X123 Calculator with memory free?

X123 Calculator with memory is free to download, with in-app purchases available.

### Which has better reviews, Calculator + or X123 Calculator with memory?

X123 Calculator with memory is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while X123 Calculator with memory averages 5.0 from 2 ratings.

### Do Calculator + or X123 Calculator with memory have ads?

Calculator + shows ads; X123 Calculator with memory does not.

### Which is updated more often, Calculator + or X123 Calculator with memory?

Calculator + ships an update every 5 days, and X123 Calculator with memory fortnightly. Most recently, Calculator + was updated on October 26, 2026 and X123 Calculator with memory 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.*