# EROZ Smart vs Premium Invention Security

The clearest difference is update cadence: Premium Invention Security at every 2 weeks against EROZ Smart's every 5 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.

EROZ Smart ships an update every 5 months, Premium Invention Security every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | EROZ Smart | Premium Invention Security |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 145 MB | 141 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EROZ Smart](https://appshunter.io/developer/1773256126) | [Premium Invention Limited](https://appshunter.io/developer/6780796844) |

## What reviewers say

### EROZ Smart

[App page](https://appshunter.io/ios/app/eroz-smart/id6736747898)

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

**In-app purchases:** none


### Premium Invention Security

[App page](https://appshunter.io/ios/app/premium-invention-security/id6780796842)

**In-app purchases:** none


## Frequently asked questions

### Is EROZ Smart free?

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

### Is Premium Invention Security free?

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

### Do EROZ Smart or Premium Invention Security have ads?

Neither EROZ Smart nor Premium Invention Security shows ads.

### Which is updated more often, EROZ Smart or Premium Invention Security?

EROZ Smart ships an update every 5 months, and Premium Invention Security every 2 weeks. Most recently, EROZ Smart was updated on November 4, 2026 and Premium Invention Security on November 5, 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.*