# 한국지능정보사회진흥원OTID vs SGA ZTA Authenticator

The clearest difference is update cadence: 한국지능정보사회진흥원OTID at every 6 weeks against SGA ZTA Authenticator's every 6 months. 한국지능정보사회진흥원OTID also leads on iOS requirement (9.0 vs 13.0). 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.

한국지능정보사회진흥원OTID ships an update every 6 weeks, SGA ZTA Authenticator every 6 months. The most recent releases landed on October 26, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 한국지능정보사회진흥원OTID | SGA ZTA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Size | 38 MB | 7 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KOREAEXPERT](https://appshunter.io/developer/1161606505) | [SGA Solutions CO.,ltd](https://appshunter.io/developer/1687912593) |

## What reviewers say

### 한국지능정보사회진흥원OTID

[App page](https://appshunter.io/ios/app/otid/id1182322196)

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

**In-app purchases:** none


### SGA ZTA Authenticator

[App page](https://appshunter.io/ios/app/sga-zta-authenticator/id6479223847)

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

**In-app purchases:** none


## Frequently asked questions

### Is 한국지능정보사회진흥원OTID free?

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

### Is SGA ZTA Authenticator free?

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

### Do 한국지능정보사회진흥원OTID or SGA ZTA Authenticator have ads?

Neither 한국지능정보사회진흥원OTID nor SGA ZTA Authenticator shows ads.

### Which is updated more often, 한국지능정보사회진흥원OTID or SGA ZTA Authenticator?

한국지능정보사회진흥원OTID ships an update every 6 weeks, and SGA ZTA Authenticator every 6 months. Most recently, 한국지능정보사회진흥원OTID was updated on October 26, 2026 and SGA ZTA Authenticator on October 12, 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.*