# NeuraFOIL vs FlatSixDynamics

The clearest difference is in-app purchases: NeuraFOIL at none against FlatSixDynamics's 1. NeuraFOIL also leads on iOS requirement (16.0 vs 18.0). FlatSixDynamics's advantage is update cadence (every 6 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. FlatSixDynamics sells 1 one-off in-app purchase. NeuraFOIL asks for nothing beyond the download.

NeuraFOIL ships an update every 4 months, FlatSixDynamics every 6 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | NeuraFOIL | FlatSixDynamics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 days** |
| Size | 3 MB | 40 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ruben Benito](https://appshunter.io/developer/1874540132) | [Juergen Groenner](https://appshunter.io/developer/6771928531) |

## What reviewers say

### NeuraFOIL

[App page](https://appshunter.io/ios/app/neurafoil/id6764410883)

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

**In-app purchases:** none


### FlatSixDynamics

[App page](https://appshunter.io/ios/app/flatsixdynamics/id6771928529)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $2.99 | one-time |


## Frequently asked questions

### Is NeuraFOIL free?

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

### Is FlatSixDynamics free?

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

### Do NeuraFOIL or FlatSixDynamics have ads?

Neither NeuraFOIL nor FlatSixDynamics shows ads.

### Which is updated more often, NeuraFOIL or FlatSixDynamics?

NeuraFOIL ships an update every 4 months, and FlatSixDynamics every 6 days. Most recently, NeuraFOIL was updated on October 15, 2026 and FlatSixDynamics on October 8, 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.*