Metaura vs Laifen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Metaura
This smart wearable device monitors ambient temperature and automatically adjusts to your preferred comfort level. It intelligently detects if you're wearing it, turning on or off as needed. The companion app offers personalized control and the device supports over-the-air updates for future features.
- AI smart core for auto-mode
- High-precision temperature sensor
- Automatic on/off based on wear detection
- Personalized temperature control via app
- OTA upgrade system for future functionality
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We are committed to creating a new exploration of personal smart wearable devices and bringing you products with vitality. The smart wearable air conditioner has a built-in AI smart core, in auto-mode, simply tell Metaura the temperature you are personally most comfortable at and Metaura will do the rest. The ambient temperature is automatically monitored by Metaura's high-precision temperature sensor and auto-adjusts the temperature setting and modes with frequency conversion, which allows Metaura to operate efficiently and stably maintain the temperature within your comfortable range. Metaura also senses whether you are wearing the product, and will automatically turn it on or off, accordingly. With the App, you can control the temperature setting in a more convenient and personalized way. At the same time, Metaura comes with an OTA upgrade system to support future expansion of functionality, as we will continue to offer more exciting services and functionality.
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: Metaura at 3.4 against Laifen's 2.4. Metaura also leads on iOS requirement (12.0 vs 15.0). Laifen's advantage is monetization model (free vs ad-supported) and ratings volume (79 vs 12). On price, review sentiment, update cadence and ads 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.
Metaura holds the better App Store score, 3.4 against 2.4. That said, the two scores are not equally well evidenced: Laifen has 79 ratings behind it against 12, so its average is the more settled of the two. Written reviews complicate that: 22% of Metaura's written reviews are positive against 28% of Laifen's, so the app with the better star average is not the one people write more warmly about.
Metaura ships an update every 2 weeks, Laifen every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Metaura | Laifen |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (12 ratings) — better | 2.4 (79 ratings) |
| Positive reviews | 22.2% of reviews | 28.3% of reviews — better |
| Number of ratings | 12 | 79 — better |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 161 MB | 160 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Lanhe Technology Co., Ltd. | Shenzhen Shuye Innovation Technology Co., Ltd. |
Customer experience
Metaura
Laifen
Bugs and requests
Metaura
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
Show 12 moreShow fewer
- 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
Metaura
No in-app purchases
Laifen
No in-app purchases
