# 바뀐연락처찾기(FON) vs 바이브

The clearest difference is in-app purchases: 바뀐연락처찾기(FON) at none against 바이브's 4. 바뀐연락처찾기(FON) also leads on device support (3 vs 1) and iOS requirement (12.1 vs 17.0). 바이브's advantage is ads (none vs shown) and update cadence (every 4 weeks vs every 22 months). On price there is nothing between them.

Both are free to download. 바이브 sells 4 in-app purchases, starting at $19.99 per month. 바뀐연락처찾기(FON) asks for nothing beyond the download.

바뀐연락처찾기(FON) ships an update every 22 months, 바이브 every 4 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 바뀐연락처찾기(FON) | 바이브 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 22 months | **Every 4 weeks** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 16 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [KhunG System](https://appshunter.io/developer/516481496) | [JUNGMIN PARK](https://appshunter.io/developer/6775677139) |

## 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


### 바이브

[App page](https://appshunter.io/ios/app/id6775677137)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP 멤버십 | $19.99 | per month |
| 부스트 1회 | $2.99 | one-time |
| 토스트 5개 | $9.99 | one-time |
| VIP 선물 30일 | $17.99 | one-time |


## Frequently asked questions

### Is 바뀐연락처찾기(FON) free?

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

### Is 바이브 free?

바이브 is free to download, with in-app purchases available.

### Do 바뀐연락처찾기(FON) or 바이브 have ads?

바뀐연락처찾기(FON) shows ads; 바이브 does not.

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

바뀐연락처찾기(FON) ships an update every 22 months, and 바이브 every 4 weeks. Most recently, 바뀐연락처찾기(FON) was updated on October 18, 2026 and 바이브 on October 7, 2026.

---

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