SleepMi vs Link Auth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SleepMi
This app focuses on improving sleep quality through intelligent wearable devices and comprehensive data analysis. It aims to leverage technology for a better sleep experience.
- Intelligent wearable device integration
- Comprehensive sleep data showcasing
- Technology-driven sleep enhancement
- Improved user experience for sleep
- Deep software integration
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Sleep well, use valuable meters! Value Mi Sleep, focusing on the sleep field, enhances user experience through self-developed intelligent wearable devices and deep integration with software, showcases data comprehensively, and looks forward to technology changing sleep and bringing you a better sleep experience!
Link Auth
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Link Auth is a focused and secure authenticator app for managing two-factor verification codes across email, developer tools, cloud services, finance systems, and other important accounts. It supports both TOTP and HOTP authenticators. Codes refresh automatically when needed, and you can tap a code to copy it quickly. Add authenticators by scanning a QR code, importing from the clipboard, or entering a secret manually. When moving to a new device, export your authenticators as a QR code for a smoother transfer. Key features: - Manage TOTP and HOTP verification codes - Add codes by QR scan, clipboard import, or manual entry - Search by service name or account - Protect sensitive codes with device authentication and app lock - Transfer authenticators by QR code - Support for dark mode, light mode, and multiple languages Link Auth keeps two-factor verification clear, organized, and ready for everyday use.
Screenshots
Verdict
The clearest difference is iOS requirement: SleepMi at 9.0 against Link Auth's 15.5. On price, update cadence, ads and in-app purchases 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.
SleepMi ships an update every 3 months, Link Auth every 2 months. The most recent releases landed on October 6, 2026 and September 10, 2026 respectively.
| Parameter | SleepMi | Link Auth |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 11 MB | 39 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen LINGXI Technology Co., Ltd | Hangzhou Lingke Networks Technology Co.Ltd |
In-app purchases
SleepMi
No in-app purchases
Link Auth
No in-app purchases









