# Lorentz Force Calculator vs PartikelLens

The clearest difference is price: PartikelLens at Free against Lorentz Force Calculator's $2.99. PartikelLens also leads on update cadence (every 2 months vs every 26 months). Lorentz Force Calculator's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

PartikelLens is free to download; Lorentz Force Calculator costs $2.99 up front. PartikelLens sells 1 in-app purchase, starting at $6.99 per month. Lorentz Force Calculator asks for nothing beyond the download.

Lorentz Force Calculator ships an update every 26 months, PartikelLens every 2 months. The most recent releases landed on September 21, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Lorentz Force Calculator | PartikelLens |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 months** |
| Size | 1 MB | 262 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [PartikelART Solution GmbH](https://appshunter.io/developer/1702426763) |

## 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


### PartikelLens

[App page](https://appshunter.io/ios/app/partikellens/id6461267614)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $6.99 | per month |


## Frequently asked questions

### Is Lorentz Force Calculator free?

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

### Is PartikelLens free?

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

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

Neither Lorentz Force Calculator nor PartikelLens shows ads.

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

Lorentz Force Calculator ships an update every 26 months, and PartikelLens every 2 months. Most recently, Lorentz Force Calculator was updated on September 21, 2026 and PartikelLens on October 21, 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.*