# ProofLens vs Autograph Identifier

The clearest difference is in-app purchases: ProofLens at none against Autograph Identifier's 2. ProofLens also leads on update cadence (every 4 days vs every 2 weeks). Autograph Identifier's advantage is iOS requirement (15.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. Autograph Identifier sells 2 in-app purchases, starting at $2.99 per 7 days. ProofLens asks for nothing beyond the download.

ProofLens ships an update every 4 days, Autograph Identifier every 2 weeks. The most recent releases landed on September 18, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | ProofLens | Autograph Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/autograph-identifier-verify/id6761389644/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 50 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Quadible](https://appshunter.io/developer/1534498153) | [Daniel Shtepu](https://appshunter.io/developer/1859046917) |

## What reviewers say

### ProofLens

[App page](https://appshunter.io/ios/app/prooflens-prove-you-have-it/id6758732413)

**In-app purchases:** none


### Autograph Identifier

[App page](https://appshunter.io/ios/app/autograph-identifier-verify/id6761389644)

Instantly scan and analyze any autograph using AI technology. Identify signature details, check authenticity, and explore potential origins for collectibles and signed items. Get insights into value and handwriting patterns with this powerful tool.

**Highlights:** Scan autographs with camera or gallery, AI-powered signature recognition, Verify signature authenticity, Analyze handwriting patterns, Discover autograph origins, Explore autograph value insights

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $2.99 | per 7 days |
| Yearly Access | $25.99 | per year |


## Frequently asked questions

### Is ProofLens free?

ProofLens is free to download, with no in-app purchases.

### Is Autograph Identifier free?

Autograph Identifier is free to download, with in-app purchases available.

### Do ProofLens or Autograph Identifier have ads?

Neither ProofLens nor Autograph Identifier shows ads.

### Which is updated more often, ProofLens or Autograph Identifier?

ProofLens ships an update every 4 days, and Autograph Identifier every 2 weeks. Most recently, ProofLens was updated on September 18, 2026 and Autograph Identifier on September 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*