# BlastShield Authenticator vs TAG Expo Scanner

The clearest difference is update cadence: TAG Expo Scanner at every 2 months against BlastShield Authenticator's every 5 months. BlastShield Authenticator's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

BlastShield Authenticator ships an update every 5 months, TAG Expo Scanner every 2 months. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BlastShield Authenticator | TAG Expo Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blastshield-authenticator/id1534769533/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 1 MB | 7 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Blastwave, Inc.](https://appshunter.io/developer/1534769535) | [Satellite Media Limited](https://appshunter.io/developer/449096745) |

## What reviewers say

### BlastShield Authenticator

[App page](https://appshunter.io/ios/app/blastshield-authenticator/id1534769533)

This app provides highly secure access to a private network, making IIoT assets and infrastructure invisible to threats. It offers a convenient authentication experience similar to mobile payment systems.

**Highlights:** Software-defined private network protection, IIoT asset and infrastructure security, Invisible to malicious actors, Highly secure network access, Convenient authentication experience

**In-app purchases:** none


### TAG Expo Scanner

[App page](https://appshunter.io/ios/app/tag-expo-scanner/id6749317494)

**In-app purchases:** none


## Frequently asked questions

### Is BlastShield Authenticator free?

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

### Is TAG Expo Scanner free?

TAG Expo Scanner is free to download, with no in-app purchases.

### Do BlastShield Authenticator or TAG Expo Scanner have ads?

Neither BlastShield Authenticator nor TAG Expo Scanner shows ads.

### Which is updated more often, BlastShield Authenticator or TAG Expo Scanner?

BlastShield Authenticator ships an update every 5 months, and TAG Expo Scanner every 2 months. Most recently, BlastShield Authenticator was updated on October 4, 2026 and TAG Expo Scanner on October 16, 2026.

---

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