# PowerCool vs TB·eSolar

The clearest difference is iOS requirement: PowerCool at 13.0 against TB·eSolar's 15.5. 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 7, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | PowerCool | TB·eSolar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 74 MB | 86 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Solareast Energy Storage Technology Co., Ltd.](https://appshunter.io/developer/1700838026) | [特变电工西安电气科技有限公司](https://appshunter.io/developer/1189734105) |

## What reviewers say

### PowerCool

[App page](https://appshunter.io/ios/app/powercool/id6470614475)

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

**In-app purchases:** none


### TB·eSolar

[App page](https://appshunter.io/ios/app/tbesolar/id6744408893)

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

**In-app purchases:** none


## Frequently asked questions

### Is PowerCool free?

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

### Is TB·eSolar free?

TB·eSolar is free to download, with no in-app purchases.

### Do PowerCool or TB·eSolar have ads?

Neither PowerCool nor TB·eSolar shows ads.

### Which is updated more often, PowerCool or TB·eSolar?

PowerCool ships an update every 3 weeks, and TB·eSolar every 3 weeks. Most recently, PowerCool was updated on September 7, 2026 and TB·eSolar on September 14, 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.*