# Proof Authentication vs Sharc Studio

The clearest difference is rating: Sharc Studio at 5.0 against Proof Authentication's 4.4. Sharc Studio also leads on update cadence (every 2 weeks vs every 2 months) and device support (3 vs 1). Proof Authentication's advantage is ratings volume (7 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Sharc Studio holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Proof Authentication ships an update every 2 months, Sharc Studio every 2 weeks. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Proof Authentication | Sharc Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/proof-authentication/id1589988080/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sharc-studio/id6447310295/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 75 MB | 15 MB |
| Requires iOS | 17.6 | **12.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Proof Authentication Corporation](https://appshunter.io/developer/1604240795) | [MRIIOT LLC](https://appshunter.io/developer/1680909981) |

## 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


### Sharc Studio

[App page](https://appshunter.io/ios/app/sharc-studio/id6447310295)

Connect to your SHARC device via MQTT or Bluetooth for easy configuration and live data streaming. This utility simplifies device management and real-time data access.

**Highlights:** MQTT communication, Bluetooth communication, Device configuration, Live data streaming, SHARC device management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Proof Authentication free?

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

### Is Sharc Studio free?

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

### Which has better reviews, Proof Authentication or Sharc Studio?

Sharc Studio is rated higher. Proof Authentication averages 4.4 out of 5 from 7 ratings, while Sharc Studio averages 5.0 from 2 ratings.

### Do Proof Authentication or Sharc Studio have ads?

Neither Proof Authentication nor Sharc Studio shows ads.

### Which is updated more often, Proof Authentication or Sharc Studio?

Proof Authentication ships an update every 2 months, and Sharc Studio every 2 weeks. Most recently, Proof Authentication was updated on October 11, 2026 and Sharc Studio on October 1, 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.*