# FieldFlux: Fields & Particles

> FieldFlux: Fields & Particles (iPhone/iPad app by Laurel Reynolds.)

- Source: https://appshunter.io/ios/app/fieldflux-fields-and-particles/id6815249210 (this page in markdown: same URL + `.md`)
- Developer: [Laurel Reynolds](https://appshunter.io/developer/6812745040)
- Category: Lifestyle, Utilities
- Price: Free
- Age rating: 12+
- Requires: iOS 16.0 · 10 MB
- Languages: American English
- Released: 2026-09-25
- Data updated: 2026-10-31

## What is FieldFlux?

FieldFlux is an interactive 2D electromagnetic field simulator and physics sandbox designed for students, engineers, and science enthusiasts. Visualize electric field lines, equipotential contours, and charged particle trajectories in a sleek, dark glassmorphic interface.
Key Features:
Interactive Charge & Field Canvas: Place positive and negative point charges to generate real-time vector field lines, potential contour lines, and force heatmaps.
Charged Particle Accelerator: Launch electrons and protons into custom electric and magnetic fields to observe cyclotron motion and Lorentz force deflections.
Electromagnetic Field Puzzles: Solve physics puzzles by guiding charged particles through obstacles using strategic charge placement.
Field Physics Laboratory: Calculate Coulomb forces, inspect Lorentz dynamics, look up material permittivity, and view real-time field intensity charts.
100% On-Device & Zero Permissions: Fully operational offline with zero device permissions required, no battery drain, zero cloud dependencies, and no paywalls.

## Is FieldFlux safe?

Not enough ratings yet to assess FieldFlux.

## Is FieldFlux legit?

FieldFlux: Fields & Particles is no longer available in the App Store. The AppsHunter Legitimacy Score for FieldFlux is 33 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.1 — 2026-10-01

New Lab module: Capacitor
- Design a parallel-plate capacitor: set plate area, gap, voltage, series resistor, and dielectric material.
- Instantly see capacitance, stored charge, energy, gap field, RC time constant, and energy density.
- A live plate diagram shows the field between the plates, and a safety banner warns you before the dielectric breaks down, with a spark across the gap when it does.
- Follow the charging curve to see how fast the capacitor fills up.

Lab Notebook
- Log any Coulomb, Lorentz, or Capacitor result with one tap, keeping the full setup and key readouts.
- Filter by experiment type, star your favorite runs, and share any entry as text.
- Open the Notebook anytime from the Home or Lab toolbar.

### 1.0 — 2026-09-25

No release notes.

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## More apps by Laurel Reynolds

- [CadencePulse: Gear Ratio Lab](https://appshunter.io/ios/app/cadencepulse-gear-ratio-lab/id6823687817)

All apps by Laurel Reynolds: https://appshunter.io/developer/6812745040

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-31.*