# PRO RGB vs 509

The clearest difference is rating: 509 at 2.5 against PRO RGB's 2.0. 509 also leads on review sentiment (21% vs 13%) and iOS requirement (13.0 vs 15.0). PRO RGB's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, 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.

509 holds the better App Store score, 2.5 against 2.0. Both are backed by a comparable volume of ratings — 25 and 47 respectively. Written reviews point the same way: 13% of PRO RGB's written reviews are positive against 21% of 509's.

PRO RGB ships an update every 3 weeks, 509 every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | PRO RGB | 509 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (25 ratings)](https://appshunter.io/ios/app/pro-rgb/id1485141574/reviews) | **[2.5 (47 ratings)](https://appshunter.io/ios/app/509/id1592726706/reviews)** |
| Number of ratings | 25 | **47** |
| Positive reviews | 13.0% of reviews | **21.3% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 43 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [康 涂](https://appshunter.io/developer/1628504841) | [Teton Outfitters LLC](https://appshunter.io/developer/1478614281) |

## What reviewers say

### PRO RGB

[App page](https://appshunter.io/ios/app/pro-rgb/id1485141574)

This application allows users to control DIY color and color change modes of lighting devices. It connects via Bluetooth for seamless customization of your lighting experience.

**Highlights:** DIY color control, Color change modes, Bluetooth connection, Lighting device management

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to connect (sometimes)
- 👍 Good when working
- 👍 Colorful lights
- 👍 Handy app (when it works)

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 Lights stuck on one color
- 🐛 App stops working after updates
- 🐛 Unreliable connectivity
- 🐛 Limited customization options

**Reported bugs**

- Lights stop and get stuck on a color
- App no longer works after update
- Will not connect
- Link shows broken
- App is trash

**Requested features**

- Allow more customization
- Add red/white/blue banners
- Allow turning lights off/on separately
- Add puddle light mode
- Make it Spotify compatible


### 509

[App page](https://appshunter.io/ios/app/509/id1592726706)

Control and customize heated goggles for optimal vision in any weather. Access an online store, watch snowmobile films, and receive product updates. Stay fog-free and prepared for winter adventures.

**Highlights:** Wireless heat profile customization, Auto and manual anti-fog modes, Online store access, Latest product release updates, Watch snowmobile films, Customer service access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PRO RGB free?

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

### Is 509 free?

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

### Which has better reviews, PRO RGB or 509?

509 is rated higher. PRO RGB averages 2.0 out of 5 from 25 ratings, while 509 averages 2.5 from 47 ratings.

### Do PRO RGB or 509 have ads?

509 shows ads; PRO RGB does not.

### Which is updated more often, PRO RGB or 509?

PRO RGB ships an update every 3 weeks, and 509 every 3 months. Most recently, PRO RGB was updated on October 24, 2026 and 509 on October 24, 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.*