AuthWire Authenticator vs StellaSign
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
AuthWire Authenticator
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AuthWire Authenticator delivers strong, device-bound multi-factor authentication (MFA) for organizations with high security and compliance requirements. The app leverages cryptographic keys that are generated directly on the iPhone and securely stored in the deviceβs secure enclave β protected by Face ID, Touch ID, or system passcode. Now with support for Passkeys β enabling modern, passwordless authentication based on open FIDO2 standards. Ideal for Zero Trust architectures and secure user flows without shared secrets. The Authenticator is purpose-built for enterprise environments that demand maximum security. Its implementation aligns with BSI recommendations and meets the assurance level defined by NIST SP 800-63B (AAL3). Key Features: β’ Device-bound cryptographic authentication β’ Phishing-resistant push approval β’ Biometric authentication (Face ID, Touch ID) or system passcode β’ Secure key lifecycle management (no credential export) β’ Compatible with TOTP-based services β’ Passwordless login via Passkeys β’ Optimized for Zero Trust architectures through the AuthWire platform AuthWire Authenticator can be integrated as a second factor in existing infrastructure or serve as a central trust anchor within modernized identity stacks
StellaSign
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Signing off on documents is practically instantaneous and can be done from anywhere. StellaSign may guarantee that this normally time-consuming operation is completed in minutes.
Screenshots
Verdict
The clearest difference is update cadence: AuthWire Authenticator at daily against StellaSign's every 5 months. StellaSign's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AuthWire Authenticator ships an update daily, StellaSign every 5 months. The most recent releases landed on September 18, 2026 and May 17, 2026 respectively.
| Parameter | AuthWire Authenticator | StellaSign |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily β better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 17.6 | 14.0 β better |
| Further details β not scored | ||
| Size | 19 MB | 74 MB |
| Age rating | 4+ | 12+ |
| Developer | AuthWire GmbH | Chamila Perera |
In-app purchases
AuthWire Authenticator
No in-app purchases
StellaSign
No in-app purchases





