# Guard vs SCAI Security

The clearest difference is update cadence: SCAI Security at every 2 months against Guard's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Guard ships an update every 4 months, SCAI Security every 2 months. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Guard | SCAI Security |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 82 MB | 42 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GUARD-TEC TECHNOLOGIES, LLC](https://appshunter.io/developer/1666811737) | [SC AI COMPANY LIMITED](https://appshunter.io/developer/1833831959) |

## What reviewers say

### Guard

[App page](https://appshunter.io/ios/app/guard-tec/id1666811735)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### SCAI Security

[App page](https://appshunter.io/ios/app/scai-security/id6758763092)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Guard free?

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

### Is SCAI Security free?

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

### Do Guard or SCAI Security have ads?

Neither Guard nor SCAI Security shows ads.

### Which is updated more often, Guard or SCAI Security?

Guard ships an update every 4 months, and SCAI Security every 2 months. Most recently, Guard was updated on September 11, 2026 and SCAI Security on September 18, 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.*