# Devos vs Blu Onyx WATERSTOP

The clearest difference is rating: Devos at 4.7 against Blu Onyx WATERSTOP's 3.0. Devos also leads on ratings volume (65 vs 2). Blu Onyx WATERSTOP's advantage is update cadence (every 2 weeks vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Devos holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Devos has 65 ratings behind it against 2, so its average is the more settled of the two.

Devos ships an update every 6 months, Blu Onyx WATERSTOP every 2 weeks. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Devos | Blu Onyx WATERSTOP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (65 ratings)](https://appshunter.io/ios/app/devos/id6475205209/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/blu-onyx-waterstop/id6760629928/reviews) |
| Number of ratings | **65** | 2 |
| Positive reviews | 93.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 31 MB | 44 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Devos Outdoor](https://appshunter.io/developer/1723633766) | [Blu Onyx LLC](https://appshunter.io/developer/1896346220) |

## What reviewers say

### Devos

[App page](https://appshunter.io/ios/app/devos/id6475205209)

Control your LightRanger series lights via Bluetooth. Adjust individual light sides, color, and brightness. Schedule auto-offs, activate emergency flash modes, and group multiple lights for synchronized control.

**Highlights:** Bluetooth light control, Individual side control, Color and brightness adjustment, Group multiple lights, Emergency flash mode, Schedule auto-off

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and navigate
- 💡 Bluetooth connectivity
- 💡 Full 360 control
- 💡 Adjust brightness and color
- 💡 Control individual panels

**What reviewers complain about**

- 🐛 App disconnects after inactivity
- 🐛 Pairing issues with multiple lights

**Reported bugs**

- Will not pair with iPhone 13 Pro Max
- Does not pair
- Disconnects if not used for 7-8 hours

**Requested features**

- Support for more than 4 lights (up to 8)
- Provision for a second row of lights up to 8


### Blu Onyx WATERSTOP

[App page](https://appshunter.io/ios/app/blu-onyx-waterstop/id6760629928)

Monitor and control your RV's water system remotely. Receive instant alerts for leaks and manage water valves from your phone, preventing costly damage and providing peace of mind.

**Highlights:** Remote water valve control, Leak detection alerts, Device registration and management, Real-time sensor monitoring, Water usage insights, Account security settings

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

**In-app purchases:** none


## Frequently asked questions

### Is Devos free?

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

### Is Blu Onyx WATERSTOP free?

Blu Onyx WATERSTOP is free to download, with no in-app purchases.

### Which has better reviews, Devos or Blu Onyx WATERSTOP?

Devos is rated higher. Devos averages 4.7 out of 5 from 65 ratings, while Blu Onyx WATERSTOP averages 3.0 from 2 ratings.

### Do Devos or Blu Onyx WATERSTOP have ads?

Neither Devos nor Blu Onyx WATERSTOP shows ads.

### Which is updated more often, Devos or Blu Onyx WATERSTOP?

Devos ships an update every 6 months, and Blu Onyx WATERSTOP every 2 weeks. Most recently, Devos was updated on October 4, 2026 and Blu Onyx WATERSTOP on October 11, 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.*