# LOSUN vs Sumray

The clearest difference is device support: Sumray at 2 against LOSUN's —. LOSUN's advantage is iOS requirement (13.0 vs 15.6). On price 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.

## The numbers

| Metric | LOSUN | Sumray |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/losun/id6469944140/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 months |
| Monetization | Free | — |
| Size | 45 MB | 39 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Losun Smart Technology Co., LTD](https://appshunter.io/developer/1712793039) | [Sumray Digital Energy Technology Company](https://appshunter.io/developer/1775348744) |

## What reviewers say

### LOSUN

[App page](https://appshunter.io/ios/app/losun/id6469944140)

Monitor and manage your solar power plant with real-time data on generation, storage, and grid consumption. Receive intelligent alerts for system abnormalities to ensure optimal performance and longevity.

**Highlights:** Solar power generation status monitoring, Photovoltaic power generation storage capacity monitoring, Grid electricity consumption record, System operation abnormality alarm, 24-hour real-time monitoring

**In-app purchases:** none


### Sumray

[App page](https://appshunter.io/ios/app/sumray/id6737216413)

**In-app purchases:** none


## Frequently asked questions

### Is LOSUN free?

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

### Is Sumray free?

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

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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.*