# Document Validator vs Shield222

The clearest difference is review sentiment: Shield222 at 100% against Document Validator's 0%. Shield222 also leads on update cadence (fortnightly vs every 4 months). 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.

Document Validator ships an update every 4 months, Shield222 fortnightly. The most recent releases landed on October 2, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Document Validator | Shield222 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shield222/id6449041539/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 10 MB | 28 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Qryptal Pte Ltd](https://appshunter.io/developer/500990038) | [Eden Park Illumination Inc](https://appshunter.io/developer/1613387611) |

## What reviewers say

### Document Validator

[App page](https://appshunter.io/ios/app/document-validator/id910037718)

Quickly verify the authenticity of documents containing QR codes and accompanying text. Scan the code to receive instant validation results for certificates, IDs, and more, even offline. Print a secure record of your validation.

**Highlights:** Instant QR code scanning, Offline validation capability, Secure, tamper-proof verification, Privacy-focused, no server tracking, Printable validation records, Supports various document types

**In-app purchases:** none


### Shield222

[App page](https://appshunter.io/ios/app/shield222/id6449041539)

This app works with a special device to measure and monitor 222nm Far UV-C germicidal devices. It helps you track UV readings remotely, understand disinfection effectiveness, and learn about UV dose limits for a cleaner, healthier environment.

**Highlights:** Measure and monitor UV-C germicidal devices, Track UV readings remotely, Understand UV dose threshold limits, User-friendly interface, Compatible with MeasureShield222 device

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Document Validator free?

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

### Is Shield222 free?

Shield222 is free to download, with no in-app purchases.

### Do Document Validator or Shield222 have ads?

Neither Document Validator nor Shield222 shows ads.

### Which is updated more often, Document Validator or Shield222?

Document Validator ships an update every 4 months, and Shield222 fortnightly. Most recently, Document Validator was updated on October 2, 2026 and Shield222 on September 24, 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.*