# CatEyeSYNC vs ツール・ド

CatEyeSYNC and ツール・ド are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CatEyeSYNC ships an update every 6 weeks, ツール・ド monthly. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CatEyeSYNC | ツール・ド |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (12 ratings)](https://appshunter.io/ios/app/cateyesync/id1391517944/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 44 MB | 73 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CatEye Co., Ltd.](https://appshunter.io/developer/438417879) | [Roots Sports Japan Co,Ltd.](https://appshunter.io/developer/1409535231) |

## 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


### ツール・ド

[App page](https://appshunter.io/ios/app/id1409535232)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CatEyeSYNC free?

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

### Is ツール・ド free?

ツール・ド is free to download, with no in-app purchases.

### Do CatEyeSYNC or ツール・ド have ads?

Neither CatEyeSYNC nor ツール・ド shows ads.

### Which is updated more often, CatEyeSYNC or ツール・ド?

CatEyeSYNC ships an update every 6 weeks, and ツール・ド monthly. Most recently, CatEyeSYNC was updated on October 14, 2026 and ツール・ド on September 29, 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.*