# 에스원 M서비스 vs KB Friends

The clearest difference is review sentiment: KB Friends at 100% against 에스원 M서비스's 16%. KB Friends also leads on update cadence (every 3 months vs every 45 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

에스원 M서비스 ships an update every 45 months, KB Friends every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 에스원 M서비스 | KB Friends |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 15.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 1 MB | 17 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [S1 Corporation](https://appshunter.io/developer/352726008) | [PCN inc.](https://appshunter.io/developer/1521811542) |

## What reviewers say

### 에스원 M서비스

[App page](https://appshunter.io/ios/app/m/id785309363)

This service allows S1 Finance subscribers to check their security system's arming and disarming status. It provides a convenient way to monitor your security remotely.

**Highlights:** View arming status, View disarming status, S1 Finance subscriber service, Remote security monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### KB Friends

[App page](https://appshunter.io/ios/app/kb-friends/id1361027269)

A communication channel for KB employees, offering quick access to KB Financial Group news, branches, and colleagues. This mobile application shares stories of KB executives and employees, providing entertainment and healing.

**Highlights:** KB Financial Group news, Branch information, Colleague communication, Employee stories, Entertainment and healing content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 에스원 M서비스 free?

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

### Is KB Friends free?

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

### Do 에스원 M서비스 or KB Friends have ads?

Neither 에스원 M서비스 nor KB Friends shows ads.

### Which is updated more often, 에스원 M서비스 or KB Friends?

에스원 M서비스 ships an update every 45 months, and KB Friends every 3 months. Most recently, 에스원 M서비스 was updated on November 1, 2026 and KB Friends on November 2, 2026.

---

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