# 전력정보 vs Appbook Viewer

전력정보 and Appbook Viewer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Appbook Viewer every 2 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 전력정보 | Appbook Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 4 MB | 22 MB |
| Requires iOS | 13.5 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [한국전력거래소](https://appshunter.io/developer/893119156) | [Han Yong Jun](https://appshunter.io/developer/1034271952) |

## What reviewers say

### 전력정보

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

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

**In-app purchases:** none


### Appbook Viewer

[App page](https://appshunter.io/ios/app/appbook-viewer/id1590989191)

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

**In-app purchases:** none


## Frequently asked questions

### Is 전력정보 free?

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

### Is Appbook Viewer free?

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

### Do 전력정보 or Appbook Viewer have ads?

Neither 전력정보 nor Appbook Viewer shows ads.

### Which is updated more often, 전력정보 or Appbook Viewer?

전력정보 ships an update every 3 months, and Appbook Viewer every 2 months. Most recently, 전력정보 was updated on October 29, 2026 and Appbook Viewer on October 27, 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.*