# autarc Pro vs TradeOS Engineer

The clearest difference is iOS requirement: TradeOS Engineer at 15.1 against autarc Pro's 17.0. On price, update cadence, 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.

autarc Pro ships an update every 8 days, TradeOS Engineer fortnightly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | autarc Pro | TradeOS Engineer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Size | 300 MB | 45 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [autarc GmbH](https://appshunter.io/developer/1705724258) | [daniel betts](https://appshunter.io/developer/1896339577) |

## What reviewers say

### autarc Pro

[App page](https://appshunter.io/ios/app/autarc-pro/id6505113634)

**In-app purchases:** none


### TradeOS Engineer

[App page](https://appshunter.io/ios/app/tradeos-engineer/id6771853044)

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

**In-app purchases:** none


## Frequently asked questions

### Is autarc Pro free?

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

### Is TradeOS Engineer free?

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

### Do autarc Pro or TradeOS Engineer have ads?

Neither autarc Pro nor TradeOS Engineer shows ads.

### Which is updated more often, autarc Pro or TradeOS Engineer?

autarc Pro ships an update every 8 days, and TradeOS Engineer fortnightly. Most recently, autarc Pro was updated on October 15, 2026 and TradeOS Engineer on October 7, 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.*