# Proof Authentication vs Smiley ValiGate® Verifier

The clearest difference is iOS requirement: Smiley ValiGate® Verifier at 14.0 against Proof Authentication's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Proof Authentication ships an update every 2 months, Smiley ValiGate® Verifier every 3 months. The most recent releases landed on October 11, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Proof Authentication | Smiley ValiGate® Verifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/proof-authentication/id1589988080/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 75 MB | 10 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Proof Authentication Corporation](https://appshunter.io/developer/1604240795) | [scribos GmbH](https://appshunter.io/developer/1305858254) |

## What reviewers say

### Proof Authentication

[App page](https://appshunter.io/ios/app/proof-authentication/id1589988080)

Verify product authenticity instantly by scanning official security marks. Ensure your purchases are genuine with rapid and accurate authentication. Look for the Proof Security Mark on select consumer goods.

**Highlights:** Instant product authentication, Scan Official Proof Security Marks, High accuracy verification, Fast results, Supports selected consumer items

**Features:** Vision Pro support

**In-app purchases:** none


### Smiley ValiGate® Verifier

[App page](https://appshunter.io/ios/app/smiley-valigate-verifier/id6746449916)

**In-app purchases:** none


## Frequently asked questions

### Is Proof Authentication free?

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

### Is Smiley ValiGate® Verifier free?

Smiley ValiGate® Verifier is free to download, with no in-app purchases.

### Do Proof Authentication or Smiley ValiGate® Verifier have ads?

Neither Proof Authentication nor Smiley ValiGate® Verifier shows ads.

### Which is updated more often, Proof Authentication or Smiley ValiGate® Verifier?

Proof Authentication ships an update every 2 months, and Smiley ValiGate® Verifier every 3 months. Most recently, Proof Authentication was updated on October 11, 2026 and Smiley ValiGate® Verifier on September 25, 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.*