# 바뀐연락처찾기(FON) vs 말톡 오피스

The clearest difference is ads: 말톡 오피스 at none against 바뀐연락처찾기(FON)'s shown. 말톡 오피스 also leads on update cadence (every 10 days vs every 22 months) and monetization model (free vs ad-supported). 바뀐연락처찾기(FON)'s advantage is review sentiment (50% vs 20%). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

바뀐연락처찾기(FON) ships an update every 22 months, 말톡 오피스 every 10 days. The most recent releases landed on October 18, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | 바뀐연락처찾기(FON) | 말톡 오피스 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 22 months | **Every 10 days** |
| Monetization | Ad-supported | **Free** |
| Size | 14 MB | 80 MB |
| Requires iOS | 12.1 | 12.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [KhunG System](https://appshunter.io/developer/516481496) | [Dial Communications](https://appshunter.io/developer/375233808) |

## What reviewers say

### 바뀐연락처찾기(FON)

[App page](https://appshunter.io/ios/app/fon/id560416937)

Reconnect with lost contacts from old phone numbers, internet calls, and past email addresses. Find friends and send messages to re-establish connections. Block unwanted messages.

**Highlights:** Search for changed contact numbers, Register for friend finding, Send contact request messages, Block unwanted messages, Find old phone numbers, Find old email addresses

**Features:** macOS Compatibility

**In-app purchases:** none


### 말톡 오피스

[App page](https://appshunter.io/ios/app/id1500215588)

This business communication app offers voice and text calling, call recording, ARS, organizational charts, and CTI integration for corporate environments. It requires a contract with a business customer to use.

**Highlights:** Voice and text calling, Call recording, ARS setup per number, Organizational chart management, CTI integration, Custom Web UI, Video conferencing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 바뀐연락처찾기(FON) free?

바뀐연락처찾기(FON) is free to download, with no in-app purchases.

### Is 말톡 오피스 free?

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

### Do 바뀐연락처찾기(FON) or 말톡 오피스 have ads?

바뀐연락처찾기(FON) shows ads; 말톡 오피스 does not.

### Which is updated more often, 바뀐연락처찾기(FON) or 말톡 오피스?

바뀐연락처찾기(FON) ships an update every 22 months, and 말톡 오피스 every 10 days. Most recently, 바뀐연락처찾기(FON) was updated on October 18, 2026 and 말톡 오피스 on August 15, 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.*