# Scientific Calculator With Normal/Gaussian Distribution vs Probability Lab

The clearest difference is rating: Probability Lab at 5.0 against Scientific Calculator With Normal/Gaussian Distribution's 2.3. Scientific Calculator With Normal/Gaussian Distribution's advantage is in-app purchases (none vs 1) and ratings volume (3 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Probability Lab sells 1 one-off in-app purchase. Scientific Calculator With Normal/Gaussian Distribution asks for nothing beyond the download.

Probability Lab holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | Scientific Calculator With Normal/Gaussian Distribution | Probability Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/scientific-calculator-with-normalgaussian-distribution/id731342063/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/probability-lab/id6794881706/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Monetization | Free | — |
| Size | 3 MB | 4 MB |
| Requires iOS | **6.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [MODULAR Software & Services GmbH](https://appshunter.io/developer/731342066) | [Jin Zhang](https://appshunter.io/developer/1830436291) |

## What reviewers say

### Scientific Calculator With Normal/Gaussian Distribution

[App page](https://appshunter.io/ios/app/scientific-calculator-with-normalgaussian-distribution/id731342063)

This app calculates and plots normal and Gaussian distribution functions, including cumulative density functions for probabilities. It also functions as a scientific calculator with support for common mathematical and trigonometric functions, and allows direct text input of expressions.

**Highlights:** Normal/Gaussian distribution plotting, Cumulative density function calculation, Z and X value calculations, Scientific calculator functionality, Text expression input, Support for common math functions, Trigonometric functions

**Features:** macOS Compatibility

**In-app purchases:** none


### Probability Lab

[App page](https://appshunter.io/ios/app/probability-lab/id6794881706)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Probability Lab Pro | $9.99 | one-time |


## Frequently asked questions

### Is Scientific Calculator With Normal/Gaussian Distribution free?

Scientific Calculator With Normal/Gaussian Distribution is free to download, with no in-app purchases.

### Is Probability Lab free?

Probability Lab is free to download, with in-app purchases available.

### Which has better reviews, Scientific Calculator With Normal/Gaussian Distribution or Probability Lab?

Probability Lab is rated higher. Scientific Calculator With Normal/Gaussian Distribution averages 2.3 out of 5 from 3 ratings, while Probability Lab averages 5.0 from 1 ratings.

### Do Scientific Calculator With Normal/Gaussian Distribution or Probability Lab have ads?

Neither Scientific Calculator With Normal/Gaussian Distribution nor Probability Lab shows ads.

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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.*