CatEyeSYNC vs LED Ally
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CatEyeSYNC
Control and customize your CatEye bike lights. Connect multiple lights, adjust modes, and monitor battery levels for an enhanced cycling experience.
- Connect multiple lights
- Customize light modes
- View battery levels
- Works with CatEye Sync products
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CatEyeSYNC™ App works with CatEye lights. With this app, you can set up multiple Cateye Sync products to connect, customize light modes and view battery levels of each light.
LED Ally
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.
- Control compatible Lezyne LED lights
- Customize light modes
- Program custom light sequences
- Wireless control between front and rear lights
- On-the-fly adjustments
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Smart Connect is an innovative technology we developed in-house to control, simplify and customize compatible Lezyne LED lights. Using this free phone app, Smart Connect lights can be controlled and programmed either as a combo or individually. The simple interface of the app is used to control your lights on the fly, or to custom program the modes. If the front and rear are linked, the front light will now wirelessly control the rear light as you toggle through the modes, even if you are not connected with the app.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 September 28, 2026 and September 20, 2026 respectively.
| Parameter | CatEyeSYNC | LED Ally |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (12 ratings) | 3.3 (13 ratings) — better |
| Positive reviews | 14.3% of reviews | 18.8% of reviews — better |
| Number of ratings | 12 | 13 — better |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 12.4 |
| Further details — not scored | ||
| Size | 44 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | CatEye Co., Ltd. | Lezyne |
Customer experience
CatEyeSYNC
LED Ally
In-app purchases
CatEyeSYNC
No in-app purchases
LED Ally
No in-app purchases








