Autograph Identifier Pro
Value, Authenticate Signature
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Instantly identify and authenticate autographs with AI. Get expert analysis, market valuations, and build your signature collection vault.
SignAuth
SignAuth uses advanced AI technology to identify autographs and assess their authenticity in seconds. Simply snap a photo of any signature and receive a comprehensive authentication report with market insights.
Features
Instant Autograph Identification
Upload one clear photo and our AI expert system identifies who signed it based on signature characteristics and known exemplars.
Authentication Analysis
Get detailed authenticity assessments including signature characteristics, ink analysis, writing pressure, and red flags to watch for.
Market Valuations
Receive estimated market value ranges based on comparable authenticated examples from auction records.
Collection Vault
Build and manage your autograph collection with full analysis reports saved for every signature you scan.
Rarity and Collectability Scores
Understand how rare each autograph is and current collector demand in the market.
Comparable Examples
View similar authenticated autographs and auction references to validate your findings.
SignAuth Pro
Unlock unlimited scans and full analysis reports with SignAuth Pro.
Weekly: 4.99 per week with 3-day free trial
Annual: 39.99 per year with 7-day free trial - Best Value
Lifetime: 99.99 one-time purchase
Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage subscriptions in your device Settings.
About
SignAuth provides AI-powered authentication analysis for educational and informational purposes only. This is not a professional authentication service or investment advice. Always seek professional authentication for valuable autographs.
Privacy Policy: https://angelapplications.co.uk/privacy-policy/
Terms of Use: https://angelapplications.co.uk/terms-of-use/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Angel App Publishing Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Angel App Publishing Ltd.
- Size
- 2.1 MB
- Category
- Lifestyle
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Autograph ID Pro Weekly $4.99
- One-Time Purchase $39.99
- Autograph ID Pro Weekly $24.99
- Copyright
- © MSDC Angel