# Acron A320 STD 2.0 ETHOS vs SIEPA

The clearest difference is update cadence: SIEPA at every 8 days against Acron A320 STD 2.0 ETHOS's every 3 months. SIEPA also leads on device support (3 vs 1) and iOS requirement (9.0 vs 15.6). On price, ads and in-app purchases there is nothing between them.

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

Acron A320 STD 2.0 ETHOS ships an update every 3 months, SIEPA every 8 days. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Acron A320 STD 2.0 ETHOS | SIEPA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Size | 18 MB | 61 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aerosim](https://appshunter.io/developer/491766443) | [Edasnet SL](https://appshunter.io/developer/940049853) |

## What reviewers say

### Acron A320 STD 2.0 ETHOS

[App page](https://appshunter.io/ios/app/acron-a320-std-20-ethos/id1586655581)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIEPA

[App page](https://appshunter.io/ios/app/siepa/id1588091398)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Acron A320 STD 2.0 ETHOS free?

Acron A320 STD 2.0 ETHOS is free to download, with no in-app purchases.

### Is SIEPA free?

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

### Do Acron A320 STD 2.0 ETHOS or SIEPA have ads?

Neither Acron A320 STD 2.0 ETHOS nor SIEPA shows ads.

### Which is updated more often, Acron A320 STD 2.0 ETHOS or SIEPA?

Acron A320 STD 2.0 ETHOS ships an update every 3 months, and SIEPA every 8 days. Most recently, Acron A320 STD 2.0 ETHOS was updated on October 19, 2026 and SIEPA on October 16, 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.*