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Synology Secure SignIn

Synology Secure SignIn

by Synology Inc.

9K ratings
239 reviews
🔧 Utilities
Free

Details

Released
December 7, 2020
Updated
May 6, 2026

Features

Developer

Synology Inc.
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⭐239
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🔄6+ apps
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❓5 answered
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About

Enhance your account security with two-factor authentication. Approve sign-in requests or use verification codes to protect your Synology NAS and account. It can even replace your password for a more streamlined yet secure login experience.

✓Two-factor authentication
✓Approve sign-in requests
✓Verification code (OTP)
✓Password replacement
✓Enhanced account security
Show original description

What users say about Synology Secure SignIn

Reviews of Synology Secure SignIn are mixed: the Utilities app is rated 4.8/5 from 9K App Store ratings. What users like most: efficient and reliable, secure authentication. Top complaints: inconsistent performance, lack of biometric security. Summarized from real user reviews.

Positive things

  • 🚀Efficient and reliable
  • 🔒Secure authentication
  • 👍Easy to use
  • 💡Innovative security features

Negative things

  • 🐛Inconsistent performance
  • 🔒Lack of biometric security
  • 👎Poor user experience
  • 🔋Slow push notifications
See all reviews

What's New in Synology Secure SignIn

1.3.1

May 6, 2026

Fixed Issue: 1. Minor bug fixes. 2. Fixed an issue that could cause increased memory usage over time.

More

User reviews

Most RecentHighest RatedLowest Rated

Application

Application parfait pour moi,Jamais aucune latence, jamais aucun problème, évidemment je touche du bois. Continuer dans votre professionnalisme et je l’utiliserai toujours.
HKHondo ken

Bien

Bien mais un peu long parfois avec Synology
PPatrickTHE

Secure SignIn

Awesome app always know that it’s gonna work and not fail. I’m very happy with it.
FFjfugjgjfj

Synology secured SignIn

Wonderful App!! Always keep you in control of your access
CAChuka Arinze

Unable to LOGIN

Doesn’t complete login process
FFlightTestEngr
See 234 more reviews

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User experience

🐞

Reported Bugs

4 issues

Approval requests not showing up

Bug

OTP codes not working as expected

Bug

Incompatibility with some DSM versions

Bug

Unreliable login process

Bug
✨

Requested Features

4 requests

Add Face/Touch ID validation

Feature

Improve Apple Watch integration

Feature

Implement search/grouping for OTP codes

Feature

Enhance multi-device synchronization

Feature

FAQ

What is Synology Secure SignIn?

Synology Secure SignIn is an application designed to enhance the security of your Synology account and NAS. It provides two verification methods: 'Approve sign-in' and 'verification code (OTP)', which can be used for two-factor authentication or to replace your DSM password entirely.

What are the requirements to use Synology Secure SignIn?

You need a Synology NAS and a Synology account to use this application. Additionally, your DiskStation Manager must be version 7.0 or above, with the Synology Secure SignIn service enabled.

How does 'Approve sign-in' work?

The 'Approve sign-in' feature allows you to approve or deny sign-in requests directly from your mobile device. This can be used as a second step in your two-factor authentication process, providing a convenient and secure way to verify your identity.

Can I use this app without a Synology NAS?

No, a Synology NAS and a Synology account are strictly required to use Synology Secure SignIn. The application is designed to work in conjunction with Synology's ecosystem to protect your NAS and account access.

Is Synology Secure SignIn free to use?

Yes, the application itself is free to download and use. There are no in-app purchases or advertisements mentioned, indicating it's a free utility provided by Synology.