# SolarEast PowerCool vs Joint User App

The clearest difference is iOS requirement: Joint User App at 13.0 against SolarEast PowerCool's 15.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SolarEast PowerCool | Joint User App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 74 MB | 55 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Solareast Energy Storage Technology Co., Ltd.](https://appshunter.io/developer/1700838026) | [LRT Automotive GmbH](https://appshunter.io/developer/1575326106) |

## 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


### Joint User App

[App page](https://appshunter.io/ios/app/joint-user-app/id6747573841)

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

**In-app purchases:** none


## Frequently asked questions

### Is SolarEast PowerCool free?

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

### Is Joint User App free?

Joint User App is free to download, with no in-app purchases.

### Do SolarEast PowerCool or Joint User App have ads?

Neither SolarEast PowerCool nor Joint User App shows ads.

### Which is updated more often, SolarEast PowerCool or Joint User App?

SolarEast PowerCool ships an update every 3 weeks, and Joint User App every 3 weeks. Most recently, SolarEast PowerCool was updated on September 1, 2026 and Joint User App on September 10, 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.*