# AUTO RGB vs SRT Flow

The clearest difference is ads: AUTO RGB at none against SRT Flow's shown. AUTO RGB also leads on update cadence (every 6 weeks vs every 4 months) and iOS requirement (13.0 vs 18.0). On price, 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.

AUTO RGB ships an update every 6 weeks, SRT Flow every 4 months. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | AUTO RGB | SRT Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Size | 43 MB | 12 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [武川 吴](https://appshunter.io/developer/1720875500) | [changok kim](https://appshunter.io/developer/1877796246) |

## What reviewers say

### AUTO RGB

[App page](https://appshunter.io/ios/app/auto-rgb/id6757455758)

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

**In-app purchases:** none


### SRT Flow

[App page](https://appshunter.io/ios/app/srt-flow/id6759272046)

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

**In-app purchases:** none


## Frequently asked questions

### Is AUTO RGB free?

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

### Is SRT Flow free?

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

### Do AUTO RGB or SRT Flow have ads?

SRT Flow shows ads; AUTO RGB does not.

### Which is updated more often, AUTO RGB or SRT Flow?

AUTO RGB ships an update every 6 weeks, and SRT Flow every 4 months. Most recently, AUTO RGB was updated on October 17, 2026 and SRT Flow on October 19, 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.*