Brownout vs PV2Go
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Brownout
Easily check Japan's electricity demand forecast across 10 regions. View actual demand, forecasts, and supply capacity with clear daily line charts. Stay informed about the power situation from Hokkaido to Okinawa.
- Electricity demand forecasts for 10 Japanese regions
- Actual demand, forecast, and supply capacity charts
- Real-time usage rate display
- Easy region switching
- Data from regional power companies
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"Brownout" is an iOS app that lets you easily check the electricity demand forecast (Denki Yoho) for 10 regions across Japan. View each region's actual demand, forecast, and supply capacity as a daily line chart. Simply switch between regions to instantly check the power situation anywhere from Hokkaido to Okinawa. [Features] โข Displays electricity demand forecasts for all 10 regions of Japan โข View actual demand, forecast, and supply capacity in easy-to-read line charts โข Shows real-time usage rate โข Region switching [Supported Regions] Hokkaido / Tohoku / Tokyo / Chubu / Hokuriku / Kansai / Chugoku / Shikoku / Kyushu / Okinawa Data is fetched from the Denki Yoho CSV files published by each regional power company.
PV2Go
Monitor, analyze, and optimize your solar energy system with real-time data and custom alerts. Get actionable insights to maximize efficiency and track your environmental impact.
- Real-time solar production monitoring
- Comprehensive analytics and trends
- Customizable system status alerts
- Actionable energy optimization tips
- Environmental impact tracking
- PVOutput.org integration
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PV2Go: Your Solar Power Companion Effortlessly Manage Your Solar Energy with PVOutput.org Integration! PV2Go connects seamlessly to PVOutput.org, giving you powerful tools to monitor, analyze, and optimize your solar energy system anytime, anywhere. Whether you're a solar enthusiast or a sustainable living advocate, PV2Go simplifies solar energy management like never before. Key Features: Real-Time Data: Monitor live solar production and consumption from PVOutput.org. Comprehensive Analytics: Leverage detailed performance metrics and trends directly from your PVOutput.org data. Custom Alerts: Receive personalized notifications for your system's status and updates. Energy Optimization Tips: Get actionable insights to maximize your solar efficiency. Environmental Impact Tracker: See how your system contributes to reducing carbon emissions. Why PV2Go? Built on the trusted PVOutput.org platform for accurate and reliable data. A sleek, intuitive design for effortless system management. Cloud-based syncing for access on-the-go. Power your solar journey with PV2Go, the ultimate companion for PVOutput.org users.
Screenshots
Verdict
The clearest difference is iOS requirement: PV2Go at 17.5 against Brownout's 26.0. On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Brownout | PV2Go |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Update frequency | Every 3 weeks | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch โ better |
| Requires iOS | 26.0 | 17.5 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Bitz | Luxx GmbH |
Customer experience
Brownout
PV2Go
In-app purchases
Brownout
No in-app purchases
PV2Go
No in-app purchases









