# Scientific CalcX vs Calc.X

The clearest difference is price: Calc.X at Free against Scientific CalcX's $1.99. Calc.X also leads on in-app purchases (none vs 1) and update cadence (daily vs every 8 months). On ads and device support there is nothing between them.

Calc.X is free to download; Scientific CalcX costs $1.99 up front. Scientific CalcX sells 1 one-off in-app purchase. Calc.X asks for nothing beyond the download.

Scientific CalcX ships an update every 8 months, Calc.X daily. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Scientific CalcX | Calc.X |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/calcx/id1528644030/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Daily** |
| Monetization | — | Free |
| Size | 2 MB | 1 MB |
| Requires iOS | 16.0 | **13.2** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Lake Snow Technology Co., Ltd.](https://appshunter.io/developer/1439688130) | [Kristopher Jackson](https://appshunter.io/developer/1467834501) |

## What reviewers say

### Scientific CalcX

[App page](https://appshunter.io/ios/app/scientific-calcx/id1439688401)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific CalcX Premium | $3.99 | one-time |


### Calc.X

[App page](https://appshunter.io/ios/app/calcx/id1528644030)

A straightforward calculator designed for basic arithmetic tasks. It offers a clean interface for solving everyday calculations without complex features. Ideal for quick computations.

**Highlights:** Basic arithmetic operations, Clean user interface, Easy to use, Quick calculations

**In-app purchases:** none


## Frequently asked questions

### Is Scientific CalcX free?

Scientific CalcX costs $1.99, and also offers in-app purchases.

### Is Calc.X free?

Calc.X is free to download, with no in-app purchases.

### Do Scientific CalcX or Calc.X have ads?

Neither Scientific CalcX nor Calc.X shows ads.

### Which is updated more often, Scientific CalcX or Calc.X?

Scientific CalcX ships an update every 8 months, and Calc.X daily. Most recently, Scientific CalcX was updated on November 2, 2026 and Calc.X on November 3, 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.*