# J vs Devos

The clearest difference is review sentiment: Devos at 94% against J's 11%. Devos also leads on rating (4.7 vs 2.6) and ads (none vs shown). J's advantage is iOS requirement (11.0 vs 15.0). On price, update cadence, 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.

Devos holds the better App Store score, 4.7 against 2.6. Both are backed by a comparable volume of ratings — 18 and 65 respectively. Written reviews point the same way: 11% of J's written reviews are positive against 94% of Devos's.

J ships an update every 5 months, Devos every 6 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | J | Devos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (18 ratings)](https://appshunter.io/ios/app/j-link-app-for-jw-speaker/id1470515798/reviews) | **[4.7 (65 ratings)](https://appshunter.io/ios/app/devos/id6475205209/reviews)** |
| Number of ratings | 18 | **65** |
| Positive reviews | 11.1% of reviews | **93.5% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Ad-supported | **Free** |
| Size | 15 MB | 31 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [J.W. Speaker Corporation](https://appshunter.io/developer/1470515797) | [Devos Outdoor](https://appshunter.io/developer/1723633766) |

## What reviewers say

### J

[App page](https://appshunter.io/ios/app/j-link-app-for-jw-speaker/id1470515798)

Customize your vehicle's off-road lighting with this app. Control brightness, color, and flashing patterns for specific headlights and light bars. Features include aiming guides, party modes, and the ability to share control with others.

**Highlights:** Off-road optic control, Customizable flashing sequences, Headlight aiming guide, Brightness adjustment, LED color switching, Save custom light settings, Share light control

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is J free?

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

### Is Devos free?

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

### Which has better reviews, J or Devos?

Devos is rated higher. J averages 2.6 out of 5 from 18 ratings, while Devos averages 4.7 from 65 ratings.

### Do J or Devos have ads?

J shows ads; Devos does not.

### Which is updated more often, J or Devos?

J ships an update every 5 months, and Devos every 6 months. Most recently, J was updated on October 3, 2026 and Devos on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*