# mCallerPlus vs 오피스모바일 듀얼

The clearest difference is update cadence: mCallerPlus at every 5 days against 오피스모바일 듀얼's every 3 months. mCallerPlus also leads on device support and iOS requirement (11.0 vs 15.6). On price and in-app purchases there is nothing between them.

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

mCallerPlus ships an update every 5 days, 오피스모바일 듀얼 every 3 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | mCallerPlus | 오피스모바일 듀얼 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 5 days** | Every 3 months |
| Size | 41 MB | 62 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [GNTEL Inc](https://appshunter.io/developer/1331796548) | [KT Corporation](https://appshunter.io/developer/335129223) |

## What reviewers say

### mCallerPlus

[App page](https://appshunter.io/ios/app/mcallerplus/id6621208273)

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

**In-app purchases:** none


### 오피스모바일 듀얼

[App page](https://appshunter.io/ios/app/id6749609046)

**In-app purchases:** none


## Frequently asked questions

### Is mCallerPlus free?

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

### Is 오피스모바일 듀얼 free?

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

### Which is updated more often, mCallerPlus or 오피스모바일 듀얼?

mCallerPlus ships an update every 5 days, and 오피스모바일 듀얼 every 3 months. Most recently, mCallerPlus was updated on October 10, 2026 and 오피스모바일 듀얼 on October 7, 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.*