# Yeelock vs Laifen

The clearest difference is rating: Yeelock at 3.3 against Laifen's 2.4. Yeelock also leads on device support (4 vs 2). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Yeelock holds the better App Store score, 3.3 against 2.4. Both are backed by a comparable volume of ratings — 34 and 78 respectively. Written reviews point the same way: 33% of Yeelock's written reviews are positive against 29% of Laifen's.

Yeelock ships an update every 2 weeks, Laifen every 3 weeks. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Yeelock | Laifen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (34 ratings)](https://appshunter.io/ios/app/yeelock/id1105835833/reviews)** | [2.4 (78 ratings)](https://appshunter.io/ios/app/laifen/id6463205325/reviews) |
| Number of ratings | 34 | **78** |
| Positive reviews | **33.3% of reviews** | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 33 MB | 160 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xian Yisuobao Electronic Technology Co., Ltd.](https://appshunter.io/developer/1105835832) | [Shenzhen Shuye Innovation Technology Co., Ltd.](https://appshunter.io/developer/1704141324) |

## What reviewers say

### Yeelock

[App page](https://appshunter.io/ios/app/yeelock/id1105835833)

This app allows you to securely unlock your intelligent lock using your mobile phone. It offers quick, one-second sound wave unlocking with bank-level encryption and the ability to share access with others. Manage your keys and view lock opening records all from your device.

**Highlights:** One-step sign up and password management, 1-second sound wave unlocking, Bank-level encryption for security, Key sharing and authorization, Lock opening record history, Customizable unlock methods (click or shake)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Laifen

[App page](https://appshunter.io/ios/app/laifen/id6463205325)

Connect to your smart electric toothbrush to personalize your brushing experience. Set usage preferences and adjust device parameters to create custom modes for optimal oral health.

**Highlights:** Connect to Laifen electric toothbrush, Set personal usage preferences, Adjust hardware device parameters, Create custom toothbrush modes, Achieve optimal oral health

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

**In-app purchases:** none

**What reviewers like**

- ⚡ Quick device pairing and connection
- 🎛️ Customizable toothbrush settings (strength, frequency, oscillations)
- 🔄 Real-time setting synchronization with device
- 🦷 High-quality toothbrush hardware and materials
- 📦 Excellent packaging and product design

**What reviewers complain about**

- 🐛 Verification code not sent via SMS or email
- 🔐 Mandatory login requirement for app access
- 📱 Missing text/labels in app interface
- 🔌 App connectivity issues with toothbrush
- 💾 Data persistence problems (settings not saved)

**Reported bugs**

- Verification code never arrives via phone or email
- Get Code button permanently greyed out
- Server returns incorrect data errors
- Request timeout errors during account creation
- App shows blank screens with no text labels

**Requested features**

- Apple Health integration and sync
- Battery percentage display
- Dark mode option
- Brushing timer in app
- Real-time brushing feedback and notifications


## Frequently asked questions

### Is Yeelock free?

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

### Is Laifen free?

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

### Which has better reviews, Yeelock or Laifen?

Yeelock is rated higher. Yeelock averages 3.3 out of 5 from 34 ratings, while Laifen averages 2.4 from 78 ratings.

### Do Yeelock or Laifen have ads?

Neither Yeelock nor Laifen shows ads.

### Which is updated more often, Yeelock or Laifen?

Yeelock ships an update every 2 weeks, and Laifen every 3 weeks. Most recently, Yeelock was updated on September 17, 2026 and Laifen on September 25, 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.*