# SOL EVPOWER vs Udan HESS

The clearest difference is update cadence: SOL EVPOWER at monthly against Udan HESS's every 3 months. SOL EVPOWER also leads on iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SOL EVPOWER ships an update monthly, Udan HESS every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | SOL EVPOWER | Udan HESS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 32 MB | 33 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AISWEI Technology Co., Ltd](https://appshunter.io/developer/528213286) | [Anhui Udan Technology Co., Ltd.](https://appshunter.io/developer/1593792520) |

## What reviewers say

### SOL EVPOWER

[App page](https://appshunter.io/ios/app/sol-evpower/id1552651480)

**Features:** macOS Compatibility

**In-app purchases:** none


### Udan HESS

[App page](https://appshunter.io/ios/app/udan-hess/id6443758347)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SOL EVPOWER free?

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

### Is Udan HESS free?

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

### Do SOL EVPOWER or Udan HESS have ads?

Neither SOL EVPOWER nor Udan HESS shows ads.

### Which is updated more often, SOL EVPOWER or Udan HESS?

SOL EVPOWER ships an update monthly, and Udan HESS every 3 months. Most recently, SOL EVPOWER was updated on November 3, 2026 and Udan HESS on November 3, 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.*