# Basic Calculator vs X123 Calculator with memory

The clearest difference is ads: X123 Calculator with memory at none against Basic Calculator's shown. X123 Calculator with memory also leads on review sentiment (100% vs 76%) and update cadence (fortnightly vs every 2 months). Basic Calculator's advantage is ratings volume (3.2K vs 2). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Basic Calculator sells 1 one-off in-app purchase 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 4.8. That said, the two scores are not equally well evidenced: Basic Calculator has 3.2K ratings behind it against 2, 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 100% of X123 Calculator with memory's.

Basic Calculator ships an update every 2 months, X123 Calculator with memory fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Basic Calculator | X123 Calculator with memory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.2K ratings)](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/x123-calculator-with-memory/id6469709507/reviews)** |
| Number of ratings | **3.2K** | 2 |
| Positive reviews | 75.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 100 MB | 20 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [MobArts](https://appshunter.io/developer/429185872) | [Botto Ingenierie Informatique](https://appshunter.io/developer/1712510068) |

## 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


### 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 Basic Calculator free?

Basic 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, Basic Calculator or X123 Calculator with memory?

X123 Calculator with memory is rated higher. Basic Calculator averages 4.8 out of 5 from 3.2K ratings, while X123 Calculator with memory averages 5.0 from 2 ratings.

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

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

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

Basic Calculator ships an update every 2 months, and X123 Calculator with memory fortnightly. Most recently, Basic Calculator was updated on October 24, 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.*