# Xenterra Solar vs Aray Ess

The clearest difference is update cadence: Xenterra Solar at monthly against Aray Ess's every 3 months. 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.

Xenterra Solar ships an update monthly, Aray Ess every 3 months. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Xenterra Solar | Aray Ess |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 57 MB | 29 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [HDL Automation Co., Ltd](https://appshunter.io/developer/1256347409) | [深圳市傲雷新能源科技有限公司](https://appshunter.io/developer/1830665558) |

## What reviewers say

### Xenterra Solar

[App page](https://appshunter.io/ios/app/xenterra-solar/id6736963347)

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

**In-app purchases:** none


### Aray Ess

[App page](https://appshunter.io/ios/app/aray-ess/id6752018449)

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

**In-app purchases:** none


## Frequently asked questions

### Is Xenterra Solar free?

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

### Is Aray Ess free?

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

### Do Xenterra Solar or Aray Ess have ads?

Neither Xenterra Solar nor Aray Ess shows ads.

### Which is updated more often, Xenterra Solar or Aray Ess?

Xenterra Solar ships an update monthly, and Aray Ess every 3 months. Most recently, Xenterra Solar was updated on October 25, 2026 and Aray Ess on October 8, 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.*