# ONEPASS PRO vs KTT 자가보안

The clearest difference is update cadence: ONEPASS PRO at every 3 months against KTT 자가보안's every 9 months. KTT 자가보안's advantage is iOS requirement (11.0 vs 14.0). 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.

ONEPASS PRO ships an update every 3 months, KTT 자가보안 every 9 months. The most recent releases landed on September 4, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | ONEPASS PRO | KTT 자가보안 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 22 MB | 44 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KUK HYEONG KIM](https://appshunter.io/developer/1037784257) | [MGV Security System](https://appshunter.io/developer/1442050029) |

## What reviewers say

### ONEPASS PRO

[App page](https://appshunter.io/ios/app/onepass-pro/id1664692578)

**Features:** macOS Compatibility

**In-app purchases:** none


### KTT 자가보안

[App page](https://appshunter.io/ios/app/ktt/id6473464936)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ONEPASS PRO free?

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

### Is KTT 자가보안 free?

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

### Do ONEPASS PRO or KTT 자가보안 have ads?

Neither ONEPASS PRO nor KTT 자가보안 shows ads.

### Which is updated more often, ONEPASS PRO or KTT 자가보안?

ONEPASS PRO ships an update every 3 months, and KTT 자가보안 every 9 months. Most recently, ONEPASS PRO was updated on September 4, 2026 and KTT 자가보안 on June 4, 2026.

---

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