# Muon Tracker vs FieldPrism

The clearest difference is price: FieldPrism at Free against Muon Tracker's $1.99. On rating, ratings volume, ads and in-app purchases there is nothing between them.

FieldPrism is free to download; Muon Tracker costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Muon Tracker against 5.0 for FieldPrism. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | Muon Tracker | FieldPrism |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/muon-tracker/id6745190290/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/fieldprism/id6761267750/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Paid | **Free** |
| Size | 1 MB | 12 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arpacore B.V.](https://appshunter.io/developer/1441928570) | [William Weaver](https://appshunter.io/developer/1888516308) |

## What reviewers say

### Muon Tracker

[App page](https://appshunter.io/ios/app/muon-tracker/id6745190290)

Simulates the detection of high-energy muons from cosmic rays, visualizing their paths and energy in real-time. Explore particle physics and cosmic radiation with location-based data and exportable logs.

**Highlights:** Simulates cosmic muon detection, Visualizes muon tracks in 3D, Real-time rate and flux display, Location-based data and altitude adjustment, Exportable event logs (CSV), Offline functionality

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

**In-app purchases:** none


### FieldPrism

[App page](https://appshunter.io/ios/app/fieldprism/id6761267750)

This app standardizes field measurements by capturing photos with precise scaling and orientation. It uses on-device machine learning to correct perspective and rotation, creating measurement-ready images for scientific documentation. Multiple output formats and flexible naming options are available.

**Highlights:** On-device photogrammetric correction, Multiple output image formats, Known pixel-per-cm conversion factor, Printable FieldSheets included, Flexible naming workflows, Project-based organization, Optional GPS geotagging

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

**In-app purchases:** none


## Frequently asked questions

### Is Muon Tracker free?

Muon Tracker costs $1.99, with no in-app purchases.

### Is FieldPrism free?

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

### Which has better reviews, Muon Tracker or FieldPrism?

Muon Tracker and FieldPrism are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Muon Tracker or FieldPrism have ads?

Neither Muon Tracker nor FieldPrism 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.*