# LiTime Solar vs SOLAR SYS

The clearest difference is device support: LiTime Solar at 3 against SOLAR SYS's —. On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

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

LiTime Solar ships an update every 7 months, SOLAR SYS every 6 months. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | LiTime Solar | SOLAR SYS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (9 ratings)](https://appshunter.io/ios/app/litime-solar/id6451349228/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 7 MB | 14 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Litime Technology Co.,Ltd](https://appshunter.io/developer/1697659864) | [文 周](https://appshunter.io/developer/1071506295) |

## What reviewers say

### LiTime Solar

[App page](https://appshunter.io/ios/app/litime-solar/id6451349228)

Monitor and control your solar power system with real-time data on solar panels and batteries. Adjust controller settings for optimal efficiency and log essential system data for analysis.

**Highlights:** Monitor solar panel and battery voltage, current, and power, Control loads connected to the controller, Adjust controller settings and parameters, Log battery voltages and watt-hours charged, Real-time load monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### SOLAR SYS

[App page](https://appshunter.io/ios/app/solar-sys/id6596742875)

**In-app purchases:** none


## Frequently asked questions

### Is LiTime Solar free?

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

### Is SOLAR SYS free?

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

### Which is updated more often, LiTime Solar or SOLAR SYS?

LiTime Solar ships an update every 7 months, and SOLAR SYS every 6 months. Most recently, LiTime Solar was updated on June 5, 2026 and SOLAR SYS on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*