# RoyPow vs Shiner

The clearest difference is rating: Shiner at 1.7 against RoyPow's 1.0. Shiner also leads on review sentiment (18% vs 0%) and ratings volume (20 vs 1). RoyPow's advantage is update cadence (every 5 days vs every 5 weeks) and iOS requirement (13.0 vs 15.6). 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.

Shiner holds the better App Store score, 1.7 against 1.0. That said, the two scores are not equally well evidenced: Shiner has 20 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of RoyPow's written reviews are positive against 18% of Shiner's.

RoyPow ships an update every 5 days, Shiner every 5 weeks. The most recent releases landed on September 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | RoyPow | Shiner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/roypow/id6467867485/reviews) | **[1.7 (20 ratings)](https://appshunter.io/ios/app/shiner/id6502581679/reviews)** |
| Number of ratings | 1 | **20** |
| Positive reviews | 0.0% of reviews | **18.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 133 MB | 89 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Huizhou Roypow Technology Co.,Ltd](https://appshunter.io/developer/1709281978) | [Shenzhen Growatt New Energy Technology Co.,Ltd](https://appshunter.io/developer/1135731820) |

## What reviewers say

### RoyPow

[App page](https://appshunter.io/ios/app/roypow/id6467867485)

Monitor energy storage equipment in real-time with visual data displays. Control power storage and charging schedules to optimize costs and profits. Receive timely alerts for any system anomalies and access historical data records.

**Highlights:** Real-time equipment monitoring, Visual data display (GIFs, charts, lists), Power storage and charging control, Device anomaly reminders, Historical data records, Cost optimization

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RoyPow free?

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

### Is Shiner free?

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

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

Shiner is rated higher. RoyPow averages 1.0 out of 5 from 1 ratings, while Shiner averages 1.7 from 20 ratings.

### Do RoyPow or Shiner have ads?

Neither RoyPow nor Shiner shows ads.

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

RoyPow ships an update every 5 days, and Shiner every 5 weeks. Most recently, RoyPow was updated on September 14, 2026 and Shiner on September 15, 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.*