# KT 폰 교체 센터 vs Vision

The clearest difference is update cadence: Vision at monthly against KT 폰 교체 센터's every 3 months. Vision also leads on iOS requirement (13.4 vs 15.6). 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.

KT 폰 교체 센터 ships an update every 3 months, Vision monthly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | KT 폰 교체 센터 | Vision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 19 MB | 22 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adminlab Inc.](https://appshunter.io/developer/1607256759) | [GFS Co., Ltd](https://appshunter.io/developer/1605995984) |

## What reviewers say

### KT 폰 교체 센터

[App page](https://appshunter.io/ios/app/kt/id1607256757)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vision

[App page](https://appshunter.io/ios/app/vision-safety-in-sight/id6657961992)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KT 폰 교체 센터 free?

KT 폰 교체 센터 is free to download, with no in-app purchases.

### Is Vision free?

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

### Do KT 폰 교체 센터 or Vision have ads?

Neither KT 폰 교체 센터 nor Vision shows ads.

### Which is updated more often, KT 폰 교체 센터 or Vision?

KT 폰 교체 센터 ships an update every 3 months, and Vision monthly. Most recently, KT 폰 교체 센터 was updated on November 7, 2026 and Vision on November 8, 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.*