# Autograph Identifier Pro — Value, Authenticate Signature

> Value, Authenticate Signature (iPhone/iPad app by Angel App Publishing Ltd..)

- Source: https://appshunter.io/ios/app/autograph-identifier-pro/id6770943201 (this page in markdown: same URL + `.md`)
- Developer: [Angel App Publishing Ltd.](https://appshunter.io/developer/412814814)
- Category: Lifestyle, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: American English
- Released: 2026-05-20
- Data updated: 2026-06-02
- User reviews in markdown: https://appshunter.io/ios/app/autograph-identifier-pro/id6770943201/reviews.md

## What is Autograph Identifier Pro?

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/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Autograph ID Pro Weekly | $4.99 | per 7 days |
| Autograph ID Pro Weekly | $24.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| One-Time Purchase | $39.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-05-20

No release notes.

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All apps by Angel App Publishing Ltd.: https://appshunter.io/developer/412814814

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-02.*