# CatEyeSYNC vs LED Ally

The clearest difference is rating: LED Ally at 3.3 against CatEyeSYNC's 1.8. LED Ally also leads on update cadence (every 3 weeks vs every 6 weeks). On price, review sentiment, ratings volume and ads there is nothing between them.

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

LED Ally holds the better App Store score, 3.3 against 1.8. Both are backed by a comparable volume of ratings — 12 and 13 respectively. Written reviews point the same way: 14% of CatEyeSYNC's written reviews are positive against 19% of LED Ally's.

CatEyeSYNC ships an update every 6 weeks, LED Ally every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CatEyeSYNC | LED Ally |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (12 ratings)](https://appshunter.io/ios/app/cateyesync/id1391517944/reviews) | **[3.3 (13 ratings)](https://appshunter.io/ios/app/led-ally/id1459401464/reviews)** |
| Number of ratings | 12 | **13** |
| Positive reviews | 14.3% of reviews | **18.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 44 MB | 17 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CatEye Co., Ltd.](https://appshunter.io/developer/438417879) | [Lezyne](https://appshunter.io/developer/985453541) |

## What reviewers say

### CatEyeSYNC

[App page](https://appshunter.io/ios/app/cateyesync/id1391517944)

Control and customize your CatEye bike lights. Connect multiple lights, adjust modes, and monitor battery levels for an enhanced cycling experience.

**Highlights:** Connect multiple lights, Customize light modes, View battery levels, Works with CatEye Sync products

**In-app purchases:** none


### LED Ally

[App page](https://appshunter.io/ios/app/led-ally/id1459401464)

Control and customize compatible Lezyne LED lights with this free mobile application. Program light modes on the fly or set custom sequences. The system allows for wireless control of rear lights by the front light, even when not connected to the app.

**Highlights:** Control compatible Lezyne LED lights, Customize light modes, Program custom light sequences, Wireless control between front and rear lights, On-the-fly adjustments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CatEyeSYNC free?

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

### Is LED Ally free?

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

### Which has better reviews, CatEyeSYNC or LED Ally?

LED Ally is rated higher. CatEyeSYNC averages 1.8 out of 5 from 12 ratings, while LED Ally averages 3.3 from 13 ratings.

### Do CatEyeSYNC or LED Ally have ads?

Neither CatEyeSYNC nor LED Ally shows ads.

### Which is updated more often, CatEyeSYNC or LED Ally?

CatEyeSYNC ships an update every 6 weeks, and LED Ally every 3 weeks. Most recently, CatEyeSYNC was updated on October 14, 2026 and LED Ally on October 7, 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.*