# OTAC auth vs ShieldQR

The clearest difference is in-app purchases: OTAC auth at none against ShieldQR's 2. ShieldQR's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ShieldQR sells 2 in-app purchases, starting at $9.99 per month. OTAC auth asks for nothing beyond the download.

OTAC auth ships an update every 6 weeks, ShieldQR every 3 weeks. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | OTAC auth | ShieldQR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/shieldqr/id6760981472/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 10 MB | 61 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [swIDch Limited](https://appshunter.io/developer/1723421198) | [Lyra Logic LLC](https://appshunter.io/developer/1887130537) |

## What reviewers say

### OTAC auth

[App page](https://appshunter.io/ios/app/otac-auth/id6475137518)

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

**In-app purchases:** none


### ShieldQR

[App page](https://appshunter.io/ios/app/shieldqr/id6760981472)

Create custom QR safety tags for loved ones and valuables. If an emergency occurs, scanners can contact you or emergency services instantly without revealing your personal phone number. Offers real-time alerts and location sharing.

**Highlights:** Privacy-masked calls, SMS and WhatsApp messaging, Location sharing, Real-time scan notifications, Custom QR sticker designer, Emergency services access

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Safety+ Monthly | $9.99 | per month |
| Usage Refill | $12.99 | one-time |


## Frequently asked questions

### Is OTAC auth free?

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

### Is ShieldQR free?

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

### Do OTAC auth or ShieldQR have ads?

Neither OTAC auth nor ShieldQR shows ads.

### Which is updated more often, OTAC auth or ShieldQR?

OTAC auth ships an update every 6 weeks, and ShieldQR every 3 weeks. Most recently, OTAC auth was updated on October 5, 2026 and ShieldQR on October 4, 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.*