# NXT Ai vs Quantum Shield

The clearest difference is in-app purchases: NXT Ai at none against Quantum Shield's 4. NXT Ai also leads on update cadence (daily vs every 4 days). Quantum Shield's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Quantum Shield sells 4 in-app purchases, starting at $3.99 per month. NXT Ai asks for nothing beyond the download.

NXT Ai ships an update daily, Quantum Shield every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NXT Ai | Quantum Shield |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 0 MB | 24 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Michael Cronin](https://appshunter.io/developer/1887957480) | [Quantum Secure Labs SL](https://appshunter.io/developer/1895611135) |

## What reviewers say

### NXT Ai

[App page](https://appshunter.io/ios/app/nxt-ai/id6761166786)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum Shield

[App page](https://appshunter.io/ios/app/quantum-shield-anti-scam/id6764045374)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Mensual | $3.99 | per month |
| Shield Mensual | $8.99 | per month |
| Plus Anual | $25.00 | per year |
| Shield Anual | $69.00 | per year |


## Frequently asked questions

### Is NXT Ai free?

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

### Is Quantum Shield free?

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

### Do NXT Ai or Quantum Shield have ads?

Neither NXT Ai nor Quantum Shield shows ads.

### Which is updated more often, NXT Ai or Quantum Shield?

NXT Ai ships an update daily, and Quantum Shield every 4 days. Most recently, NXT Ai was updated on October 25, 2026 and Quantum Shield on October 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.*