ONWATT
Alpha ESS Co., Ltd. Utilities iPhoneiPadiPod touch
ONWATT is a free Utilities app for iPhone and iPad by Alpha ESS Co., Ltd. Requires iOS 14.0. Updated June 29, 2026.
- Price
- Free
- on the App Store
- Size
- 156 MB
- Age 4+
- Updated
- Jun 29
- 2026 · v1.0
Screenshots
About 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.
App privacy
The developer, Alpha ESS Co., Ltd., reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Contact Info: Email Address
- User Content: Photos or Videos
- Diagnostics: Crash Data, Performance Data
Used for: App Functionality