# atom.sim vs Vector Field

The clearest difference is update cadence: atom.sim at every 6 weeks against Vector Field's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

atom.sim ships an update every 6 weeks, Vector Field every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | atom.sim | Vector Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (6 ratings)](https://appshunter.io/ios/app/vector-field-particle-flow/id1598282424/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 62.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 79 MB | 1 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hans Kovi](https://appshunter.io/developer/1493527465) | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) |

## What reviewers say

### atom.sim

[App page](https://appshunter.io/ios/app/atomsim/id1493527466)

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

**In-app purchases:** none


### Vector Field

[App page](https://appshunter.io/ios/app/vector-field-particle-flow/id1598282424)

Visualize mathematical vector fields with animated particles in 2D, 3D, or spherical spaces. Input custom equations and adjust simulation parameters in real-time to explore dynamical systems and mathematical patterns interactively.

**Highlights:** 2D, 3D, and spherical vector field visualization, Customizable dx, dy, dz equations, Adjustable particle speed, density, and colors, Time-dependent field animation, Interactive 3D view rotation, Real-time rendering powered by Metal

**In-app purchases:** none


## Frequently asked questions

### Is atom.sim free?

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

### Is Vector Field free?

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

### Do atom.sim or Vector Field have ads?

Neither atom.sim nor Vector Field shows ads.

### Which is updated more often, atom.sim or Vector Field?

atom.sim ships an update every 6 weeks, and Vector Field every 3 months. Most recently, atom.sim was updated on October 24, 2026 and Vector Field on October 24, 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.*