# 포항충진교회 스마트요람 vs Keyin Plus

The clearest difference is update cadence: Keyin Plus at every 6 weeks against 포항충진교회 스마트요람's every 56 months. 포항충진교회 스마트요람's advantage is iOS requirement (11.0 vs 13.0). 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.

포항충진교회 스마트요람 ships an update every 56 months, Keyin Plus every 6 weeks. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 포항충진교회 스마트요람 | Keyin Plus |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 27 MB | 35 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kyungjin Seo](https://appshunter.io/developer/1291192388) | [RAONARK Ltd.](https://appshunter.io/developer/1581955892) |

## What reviewers say

### 포항충진교회 스마트요람

[App page](https://appshunter.io/ios/app/id1456088348)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keyin Plus

[App page](https://appshunter.io/ios/app/keyin-plus/id1581955890)

Manage your smart door lock remotely. Receive real-time alerts for all lock activities, including locking, unlocking, and alarms. Automatically unlock your door when you approach and issue temporary keys to guests.

**Highlights:** Push notifications for lock events, Automatic door unlocking via Bluetooth, One-touch key issuance for family and guests, Detailed event history management, Door lock device settings, Manage multiple security devices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 포항충진교회 스마트요람 free?

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

### Is Keyin Plus free?

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

### Do 포항충진교회 스마트요람 or Keyin Plus have ads?

Neither 포항충진교회 스마트요람 nor Keyin Plus shows ads.

### Which is updated more often, 포항충진교회 스마트요람 or Keyin Plus?

포항충진교회 스마트요람 ships an update every 56 months, and Keyin Plus every 6 weeks. Most recently, 포항충진교회 스마트요람 was updated on September 7, 2026 and Keyin Plus on September 10, 2026.

---

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