Stellantis Authenticator vs Synology Secure SignIn
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stellantis Authenticator
This utility app provides multi-factor authentication for accessing services provided by Stellantis. Users require an activation code, obtainable autonomously through a provided web link, to enroll and secure their identity.
- Multi-factor authentication
- User identity verification
- Secure access to Stellantis services
- Autonomous activation code retrieval
- Service access control
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Multi Factor application to ensure the identity of users whom access to services provided by Stellantis. To enroll the "Stellantis Authenticator" application an activation code is required. It can be obtained by the user in total autonomy using https://des.stellantis.com
Synology Secure SignIn
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
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**Synology NAS and a Synology account are required for this Application.** **DiskStation Manager 7.0 or above version with Synology Secure SignIn service enabled is required.** Synology Secure SignIn increases account security and offers two verification methods: Approve sign-in and verification code (OTP). Approve sign-in can be used to replace DSM password. For enhanced protection, use either method as the second sign-in step of 2-factor authentication.
Screenshots
Verdict
The clearest difference is review sentiment: Synology Secure SignIn at 47% against Stellantis Authenticator's 29%. Synology Secure SignIn also leads on update cadence (every 6 months vs every 18 months). On price, ads, in-app purchases and monetization model 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.
Stellantis Authenticator ships an update every 18 months, Synology Secure SignIn every 6 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | Stellantis Authenticator | Synology Secure SignIn |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (9K ratings) — better |
| Positive reviews | 28.6% of reviews | 47.3% of reviews — better |
| Number of ratings | — | 9K — better |
| Update frequency | Every 18 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Stellantis Auto SAS | Synology Inc. |
Customer experience
Stellantis Authenticator
Synology Secure SignIn
Bugs and requests
Stellantis Authenticator
Not enough reviews yet to summarise bugs or requests.
Synology Secure SignIn
Reported bugs
4 issues- Approval requests not showing up
- OTP codes not working as expected
- Incompatibility with some DSM versions
- Unreliable login process
Requested features
4 requests- Add Face/Touch ID validation
- Improve Apple Watch integration
- Implement search/grouping for OTP codes
- Enhance multi-device synchronization
In-app purchases
Stellantis Authenticator
No in-app purchases
Synology Secure SignIn
No in-app purchases
Questions
Is Stellantis Authenticator free?
Is Synology Secure SignIn free?
Do Stellantis Authenticator or Synology Secure SignIn have ads?
Which is updated more often, Stellantis Authenticator or Synology Secure SignIn?
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