# A590DSP vs trx

The clearest difference is update cadence: A590DSP at every 5 weeks against trx's every 23 months. A590DSP also leads on iOS requirement (8.0 vs 13.0). 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.

A590DSP ships an update every 5 weeks, trx every 23 months. The most recent releases landed on September 28, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | A590DSP | trx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 23 months |
| Size | 30 MB | 20 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [micro systems](https://appshunter.io/developer/1023315804) |

## What reviewers say

### A590DSP

[App page](https://appshunter.io/ios/app/a590dsp/id1428514492)

**Features:** macOS Compatibility

**In-app purchases:** none


### trx

[App page](https://appshunter.io/ios/app/trx-control/id6478390481)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A590DSP free?

A590DSP is free to download, with no in-app purchases.

### Is trx free?

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

### Do A590DSP or trx have ads?

Neither A590DSP nor trx shows ads.

### Which is updated more often, A590DSP or trx?

A590DSP ships an update every 5 weeks, and trx every 23 months. Most recently, A590DSP was updated on September 28, 2026 and trx on September 23, 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.*