# Looopでんき vs hagu

The clearest difference is in-app purchases: Looopでんき at none against hagu's 1. hagu's advantage is update cadence (every 2 days vs every 2 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. hagu sells 1 in-app purchase, starting at $0.99 per month. Looopでんき asks for nothing beyond the download.

Looopでんき ships an update every 2 weeks, hagu every 2 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Looopでんき | hagu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/looop/id6444430723/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 166 MB | 48 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [株式会社Looop](https://appshunter.io/developer/1287380013) | [yojiro motoba](https://appshunter.io/developer/6785776191) |

## What reviewers say

### Looopでんき

[App page](https://appshunter.io/ios/app/looop/id6444430723)

This app helps users manage their electricity usage to save money and utilize renewable energy. It offers features like electricity price forecasts, future billing predictions, and gamified learning for smart energy consumption. Users can also track their collective impact on the environment through green energy initiatives.

**Highlights:** Electricity price forecasting, Future billing prediction, Gamified smart energy learning, Visualize smart energy usage, Track renewable energy utilization, Green energy initiative participation

**Features:** Vision Pro support

**In-app purchases:** none


### hagu

[App page](https://appshunter.io/ios/app/hagu/id6788617519)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| haguプレミアム（月額） | $0.99 | per month |


## Frequently asked questions

### Is Looopでんき free?

Looopでんき is free to download, with no in-app purchases.

### Is hagu free?

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

### Do Looopでんき or hagu have ads?

Neither Looopでんき nor hagu shows ads.

### Which is updated more often, Looopでんき or hagu?

Looopでんき ships an update every 2 weeks, and hagu every 2 days. Most recently, Looopでんき was updated on November 3, 2026 and hagu on November 10, 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.*