# A320SYS vs FlatSixDynamics

The clearest difference is price: A320SYS at Free against FlatSixDynamics's $9.99. FlatSixDynamics's advantage is update cadence (every 6 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

A320SYS is free to download; FlatSixDynamics costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

A320SYS ships an update every 3 months, FlatSixDynamics every 6 days. The most recent releases landed on September 30, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | A320SYS | FlatSixDynamics |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 63 MB | 40 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [seyfullah kalboussi](https://appshunter.io/developer/1783475275) | [Juergen Groenner](https://appshunter.io/developer/6771928531) |

## What reviewers say

### A320SYS

[App page](https://appshunter.io/ios/app/a320sys/id6739029618)

**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:** none


## Frequently asked questions

### Is A320SYS free?

A320SYS is free to download, with no in-app purchases.

### Is FlatSixDynamics free?

FlatSixDynamics costs $9.99, with no in-app purchases.

### Do A320SYS or FlatSixDynamics have ads?

Neither A320SYS nor FlatSixDynamics shows ads.

### Which is updated more often, A320SYS or FlatSixDynamics?

A320SYS ships an update every 3 months, and FlatSixDynamics every 6 days. Most recently, A320SYS was updated on September 30, 2026 and FlatSixDynamics on September 17, 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.*