# Lorentz Force Calculator vs Probability

The clearest difference is price: Probability at Free against Lorentz Force Calculator's $2.99. Probability also leads on update cadence (every 10 days vs every 26 months) and iOS requirement (14.0 vs 17.6). Lorentz Force Calculator's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Probability is free to download; Lorentz Force Calculator costs $2.99 up front. Probability sells 1 one-off in-app purchase. Lorentz Force Calculator asks for nothing beyond the download.

Lorentz Force Calculator ships an update every 26 months, Probability every 10 days. The most recent releases landed on September 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Lorentz Force Calculator | Probability |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/probability-easy-and-practical/id1625073969/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 166 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Man Hung Sun](https://appshunter.io/developer/1471605573) |

## What reviewers say

### Lorentz Force Calculator

[App page](https://appshunter.io/ios/app/lorentz-force-calculator/id1422587699)

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

**In-app purchases:** none


### Probability

[App page](https://appshunter.io/ios/app/probability-easy-and-practical/id1625073969)

Enhance your decision-making skills by learning to assess probabilities with this app. It offers formulas for problem-solving, note-taking capabilities, and interactive tools like dice and coin tosses for practical learning.

**Highlights:** Probability assessment, Decision-making improvement, Problem-solving formulas, Personalized notes, Dice and coin toss simulations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $0.99 | one-time |


## Frequently asked questions

### Is Lorentz Force Calculator free?

Lorentz Force Calculator costs $2.99, with no in-app purchases.

### Is Probability free?

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

### Do Lorentz Force Calculator or Probability have ads?

Neither Lorentz Force Calculator nor Probability shows ads.

### Which is updated more often, Lorentz Force Calculator or Probability?

Lorentz Force Calculator ships an update every 26 months, and Probability every 10 days. Most recently, Lorentz Force Calculator was updated on September 21, 2026 and Probability on October 5, 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.*