Comparison

SleepMi vs Link Auth

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Intelligent wearable device integration
  • Comprehensive sleep data showcasing
  • Technology-driven sleep enhancement
  • Improved user experience for sleep
  • Deep software integration
Features
Read full description

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!

About

Link Auth

Features
Read full description

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

SleepMi3 screens
Link Auth4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard1 real difference · 7 level
SleepMi versus Link Auth: the parameters behind the verdict, then further details
ParameterSleepMiLink Auth
PriceFreeFree
Positive reviews50.0% of reviews—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.5
Further details — not scored
Size11 MB39 MB
Age rating4+17+
DeveloperShenzhen LINGXI Technology Co., LtdHangzhou Lingke Networks Technology Co.Ltd

In-app purchases

None

SleepMi

No in-app purchases

None

Link Auth

No in-app purchases

Questions

Is SleepMi free?
SleepMi is free to download, with no in-app purchases.
Is Link Auth free?
Link Auth is free to download, with no in-app purchases.
Do SleepMi or Link Auth have ads?
Neither SleepMi nor Link Auth shows ads.
Which is updated more often, SleepMi or Link Auth?
SleepMi ships an update every 3 months, and Link Auth every 2 months. Most recently, SleepMi was updated on October 6, 2026 and Link Auth on September 10, 2026.

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