# GrowDirector 3 PRO vs Shiner

GrowDirector 3 PRO and Shiner are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

GrowDirector 3 PRO ships an update monthly, Shiner every 5 weeks. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | GrowDirector 3 PRO | Shiner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.7 (20 ratings)](https://appshunter.io/ios/app/shiner/id6502581679/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 18.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 43 MB | 89 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GrowDirecto](https://appshunter.io/developer/1688703139) | [Shenzhen Growatt New Energy Technology Co.,Ltd](https://appshunter.io/developer/1135731820) |

## What reviewers say

### GrowDirector 3 PRO

[App page](https://appshunter.io/ios/app/growdirector-3-pro/id6449358084)

**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 GrowDirector 3 PRO free?

GrowDirector 3 PRO is free to download, with no in-app purchases.

### Is Shiner free?

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

### Do GrowDirector 3 PRO or Shiner have ads?

Neither GrowDirector 3 PRO nor Shiner shows ads.

### Which is updated more often, GrowDirector 3 PRO or Shiner?

GrowDirector 3 PRO ships an update monthly, and Shiner every 5 weeks. Most recently, GrowDirector 3 PRO was updated on September 13, 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.*