# Brownout vs PV2Go

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Brownout | PV2Go |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | Free |
| Size | 1 MB | 4 MB |
| Requires iOS | 26.0 | **17.5** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Bitz](https://appshunter.io/developer/434213281) | [Luxx GmbH](https://appshunter.io/developer/956219643) |

## What reviewers say

### Brownout

[App page](https://appshunter.io/ios/app/brownout/id443661505)

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.

**Highlights:** 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

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

**In-app purchases:** none


### PV2Go

[App page](https://appshunter.io/ios/app/pv2go/id6603854973)

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.

**Highlights:** Real-time solar production monitoring, Comprehensive analytics and trends, Customizable system status alerts, Actionable energy optimization tips, Environmental impact tracking, PVOutput.org integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Brownout free?

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

### Is PV2Go free?

PV2Go is free to download, with no in-app purchases.

### Do Brownout or PV2Go have ads?

Neither Brownout nor PV2Go shows ads.

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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.*