Yeelock vs Laifen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Yeelock
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.
- 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)
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Yeelock, ultrasonic intelligent lock application. Both safe and convenient, put your key into the mobile phone, open the era of smart unlocking. 【 Function Introduction 】 - Easily sign up in one step, change password at any time, and bind all keys to your account. - Sound wave is unlocked in 1 second, click open and use, no complex connection is required. - Dynamic acoustic wave, bank level encryption, not afraid of recording, can not imitate. - Click or shake can start the sound wave to meet different user habits. - Share your keys anytime, anywhere, and authorize others to unlock them. - The key list is in hand, the lock opening record can be checked if you want. [Contact Information] Thank you for using Yisuobao products. If you have any problems during use, you can feedback through the following ways: Official WeChat: Easy Lock Technology (YEELOC) Official Weibo account: Yisuobao Customer service email: support@yeeloc.com
Laifen
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.
- Connect to Laifen electric toothbrush
- Set personal usage preferences
- Adjust hardware device parameters
- Create custom toothbrush modes
- Achieve optimal oral health
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Laifen App is the official application of Laifen Technology. Through this software, you can connect to the Laifen electric toothbrush, set personal usage preferences, and adjust hardware device parameters. By customizing parameters, you can preset a toothbrush mode specific to you, assisting you in effortlessly achieving optimal oral health.
Screenshots
Verdict
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.
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.
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.
| Parameter | Yeelock | Laifen |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (34 ratings) — better | 2.4 (78 ratings) |
| Positive reviews | 33.3% of reviews — better | 28.6% of reviews |
| Number of ratings | 34 | 78 — better |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 33 MB | 160 MB |
| Age rating | 4+ | 4+ |
| Developer | Xian Yisuobao Electronic Technology Co., Ltd. | Shenzhen Shuye Innovation Technology Co., Ltd. |
Customer experience
Yeelock
Laifen
Bugs and requests
Yeelock
Not enough reviews yet to summarise bugs or requests.
Laifen
Reported bugs
17 issues- 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
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- Buttons present but unlabeled/non-functional
- App disconnects from toothbrush after profile creation
- Cannot add new toothbrushes to account
- Phantom toothbrush devices appear in account
- Cannot disconnect or delete toothbrush entries
- User profile information not editable
- Text display issues with non-English languages
- App freezes after recent updates
- Toothbrush won't turn on after charging
- Firmware calibration process fails
- App shows connected status but device unresponsive
- Phone number format validation rejects valid numbers
Requested features
14 requests- Apple Health integration and sync
- Battery percentage display
- Dark mode option
- Brushing timer in app
- Real-time brushing feedback and notifications
Show 9 moreShow fewer
- Brushing statistics and performance tracking
- Reward points system for achievements
- Pressure detection alerts
- Support for more than 3 toothbrush devices
- Device identification display
- Troubleshooting and user guide within app
- Brushing quality metrics (similar to Oral-B)
- Automation features for brushing reminders
- Toothbrush model selection in setup
In-app purchases
Yeelock
No in-app purchases
Laifen
No in-app purchases
