# Shiner vs Sol

The clearest difference is review sentiment: Sol at 100% against Shiner's 18%. Sol also leads on rating (4.0 vs 1.7) and iOS requirement (13.4 vs 15.6). Shiner's advantage is ratings volume (21 vs 4). 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.

Sol holds the better App Store score, 4.0 against 1.7. That said, the two scores are not equally well evidenced: Shiner has 21 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 18% of Shiner's written reviews are positive against 100% of Sol's.

Shiner ships an update every 5 weeks, Sol every 6 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Shiner | Sol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (21 ratings)](https://appshunter.io/ios/app/shiner/id6502581679/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/sol-max-assist/id6756594867/reviews)** |
| Number of ratings | **21** | 4 |
| Positive reviews | 18.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 89 MB | 45 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Growatt New Energy Technology Co.,Ltd](https://appshunter.io/developer/1135731820) | [SOL-MAX INC](https://appshunter.io/developer/1861656099) |

## What reviewers say

### Shiner

[App page](https://appshunter.io/ios/app/shiner/id6502581679)

This monitoring application simplifies inverter setup and configuration for installers. End customers can easily track device performance and operational status in real-time through a user-friendly interface. It offers a comprehensive solution for managing energy systems.

**Highlights:** Quick inverter setup, Easy activation and debugging, Efficient configuration, Real-time device monitoring, Operational status updates, User-friendly interface

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

**In-app purchases:** none


### Sol

[App page](https://appshunter.io/ios/app/sol-max-assist/id6756594867)

Monitor your inverter's performance and log its data. This application also allows for inverter configuration, providing essential control over your power system.

**Highlights:** Monitor inverter data, Log inverter data, Inverter configuration, View system performance

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

**In-app purchases:** none


## Frequently asked questions

### Is Shiner free?

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

### Is Sol free?

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

### Which has better reviews, Shiner or Sol?

Sol is rated higher. Shiner averages 1.7 out of 5 from 21 ratings, while Sol averages 4.0 from 4 ratings.

### Do Shiner or Sol have ads?

Neither Shiner nor Sol shows ads.

### Which is updated more often, Shiner or Sol?

Shiner ships an update every 5 weeks, and Sol every 6 weeks. Most recently, Shiner was updated on October 24, 2026 and Sol on October 21, 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.*