# 전력정보 vs KT 스마트메시지 Plus

The clearest difference is update cadence: 전력정보 at every 3 months against KT 스마트메시지 Plus's every 20 months. 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.

전력정보 ships an update every 3 months, KT 스마트메시지 Plus every 20 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 전력정보 | KT 스마트메시지 Plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 20 months |
| Size | 4 MB | 27 MB |
| Requires iOS | 13.5 | **12.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [한국전력거래소](https://appshunter.io/developer/893119156) | [KT Corporation](https://appshunter.io/developer/335129223) |

## What reviewers say

### 전력정보

[App page](https://appshunter.io/ios/app/id893119153)

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

**In-app purchases:** none


### KT 스마트메시지 Plus

[App page](https://appshunter.io/ios/app/kt-plus/id979089793)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 전력정보 free?

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

### Is KT 스마트메시지 Plus free?

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

### Do 전력정보 or KT 스마트메시지 Plus have ads?

Neither 전력정보 nor KT 스마트메시지 Plus shows ads.

### Which is updated more often, 전력정보 or KT 스마트메시지 Plus?

전력정보 ships an update every 3 months, and KT 스마트메시지 Plus every 20 months. Most recently, 전력정보 was updated on October 24, 2026 and KT 스마트메시지 Plus 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.*