# baicycle vs Sentinel

The clearest difference is in-app purchases: baicycle at none against Sentinel's 1. baicycle also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Sentinel sells 1 one-off in-app purchase. baicycle asks for nothing beyond the download.

baicycle ships an update every 6 weeks, Sentinel every 4 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | baicycle | Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/baicycle/id6443597337/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 34 MB | 12 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Xiaobai Intelligent Application (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1644086451) | [ALI EMIR CIHAN](https://appshunter.io/developer/1850444654) |

## What reviewers say

### baicycle

[App page](https://appshunter.io/ios/app/baicycle/id6443597337)

Control your electric bicycle by unlocking and locking it through this app. Monitor key information like distance traveled, light status, and battery levels. Compatible with iOS 12 to 16.

**Highlights:** Unlock/lock electric bicycles, Display kilometers traveled, Show light status, Monitor battery information, iOS 12-16 support

**Features:** Vision Pro support

**In-app purchases:** none


### Sentinel

[App page](https://appshunter.io/ios/app/sentinel-wifi-network-scanner/id6760856503)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sentinel Pro (Ömür Boyu) | $9.99 | one-time |


## Frequently asked questions

### Is baicycle free?

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

### Is Sentinel free?

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

### Do baicycle or Sentinel have ads?

Sentinel shows ads; baicycle does not.

### Which is updated more often, baicycle or Sentinel?

baicycle ships an update every 6 weeks, and Sentinel every 4 weeks. Most recently, baicycle was updated on October 24, 2026 and Sentinel on October 8, 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.*