# ONWATT

> ONWATT (iPhone/iPad app by Alpha ESS Co., Ltd..)

- Source: https://appshunter.io/ios/app/onwatt/id6779455028 (this page in markdown: same URL + `.md`)
- Developer: [Alpha ESS Co., Ltd.](https://appshunter.io/developer/1088168712)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 156 MB
- Languages: American English, Dutch, German (Germany), Italian, Japanese, Chinese (Simplified, China), European Spanish
- Released: 2026-06-28
- Data updated: 2026-08-18
- User reviews in markdown: https://appshunter.io/ios/app/onwatt/id6779455028/reviews.md

## What is ONWATT?

ONWATT Energy is a smart energy management app designed to give you full control over your home battery system.

Monitor your energy usage in real-time, optimize when you store and use electricity, and reduce your energy costs effortlessly.

Key Features:
- Real-time monitoring of battery, solar and grid usage
- Smart energy control modes
- Backup power insights during outages
- Data dashboard with clear energy insights
- Easy connection via WiFi

Designed for simplicity, built for performance.
Take control of your energy with ONWATT.


## Version history (last 1 release)

### 1.0 — 2026-06-29

No release notes.

## More apps by Alpha ESS Co., Ltd.

- [AlphaESS](https://appshunter.io/ios/app/alphaess/id1088168713)
- [Goanna Solar Batteries](https://appshunter.io/ios/app/goanna-solar-batteries/id1453938088)
- [Hive Solar Batteries](https://appshunter.io/ios/app/hive-solar-batteries/id1471491926)
- [HT ESS](https://appshunter.io/ios/app/ht-ess/id1524739385)
- [Energy Life](https://appshunter.io/ios/app/energy-life/id6457260948)
- [REA POWER](https://appshunter.io/ios/app/rea-power/id6737310109)

All apps by Alpha ESS Co., Ltd.: https://appshunter.io/developer/1088168712

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*