# SolarEast PowerCool vs YellowGrid

SolarEast PowerCool and YellowGrid are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SolarEast PowerCool ships an update every 3 weeks, YellowGrid fortnightly. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | SolarEast PowerCool | YellowGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yellowgrid/id6747118921/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 74 MB | 94 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Solareast Energy Storage Technology Co., Ltd.](https://appshunter.io/developer/1700838026) | [YellowGrid](https://appshunter.io/developer/1896555484) |

## What reviewers say

### SolarEast PowerCool

[App page](https://appshunter.io/ios/app/solareast-powercool/id6457256245)

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

**In-app purchases:** none


### YellowGrid

[App page](https://appshunter.io/ios/app/yellowgrid/id6747118921)

Monitor your solar energy production and consumption in real time. Track your earnings from selling surplus energy to the grid and manage your battery reserves. Connect your solar system to a network for trading and receive monthly proceeds.

**Highlights:** Real-time energy production and consumption monitoring, Surplus energy tracking to the grid, Earnings and monthly payment tracking, Battery capacity reservation, Connect solar systems for energy trading, Assistance with solar installation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolarEast PowerCool free?

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

### Is YellowGrid free?

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

### Do SolarEast PowerCool or YellowGrid have ads?

Neither SolarEast PowerCool nor YellowGrid shows ads.

### Which is updated more often, SolarEast PowerCool or YellowGrid?

SolarEast PowerCool ships an update every 3 weeks, and YellowGrid fortnightly. Most recently, SolarEast PowerCool was updated on October 2, 2026 and YellowGrid on September 26, 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.*