# CatEyeSYNC vs GPXBicycleTrainer

The clearest difference is in-app purchases: CatEyeSYNC at none against GPXBicycleTrainer's 2. GPXBicycleTrainer's advantage is update cadence (daily vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GPXBicycleTrainer sells 2 one-off in-app purchases. CatEyeSYNC asks for nothing beyond the download.

CatEyeSYNC ships an update every 6 weeks, GPXBicycleTrainer daily. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CatEyeSYNC | GPXBicycleTrainer |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | — |
| Size | 44 MB | 37 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CatEye Co., Ltd.](https://appshunter.io/developer/438417879) | [HIROYUKI SAITO](https://appshunter.io/developer/1696233625) |

## 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


### GPXBicycleTrainer

[App page](https://appshunter.io/ios/app/gpxbicycletrainer/id6776637513)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove the time limit. | $4.99 | one-time |
| Remove the ads | $9.99 | one-time |


## Frequently asked questions

### Is CatEyeSYNC free?

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

### Is GPXBicycleTrainer free?

GPXBicycleTrainer is free to download, with in-app purchases available.

### Do CatEyeSYNC or GPXBicycleTrainer have ads?

Neither CatEyeSYNC nor GPXBicycleTrainer shows ads.

### Which is updated more often, CatEyeSYNC or GPXBicycleTrainer?

CatEyeSYNC ships an update every 6 weeks, and GPXBicycleTrainer daily. Most recently, CatEyeSYNC was updated on October 24, 2026 and GPXBicycleTrainer on October 14, 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.*