# Calpak VBus®Touch vs SungrowEye

The clearest difference is price: Calpak VBus®Touch at Free against SungrowEye's $7.99. Calpak VBus®Touch also leads on iOS requirement (9.0 vs 18.0). SungrowEye's advantage is update cadence (weekly vs fortnightly). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Calpak VBus®Touch is free to download; SungrowEye costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calpak VBus®Touch ships an update fortnightly, SungrowEye weekly. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Calpak VBus®Touch | SungrowEye |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 48 MB | 33 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RESOL GmbH](https://appshunter.io/developer/369420321) | [Appnify GbR](https://appshunter.io/developer/1778006935) |

## What reviewers say

### Calpak VBus®Touch

[App page](https://appshunter.io/ios/app/calpak-vbustouch/id1437870061)

Visualize your solar energy production with detailed charts and diagrams. Monitor heat gained and temperature progression to understand your system's performance. Requires a compatible controller and internet connection.

**Highlights:** Solar yield visualization, Hydraulic scheme display, Temperature progression chart, Modular add-ons for extended features, Real-time performance monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### SungrowEye

[App page](https://appshunter.io/ios/app/sungroweye/id6737238459)

Monitor your Sungrow solar system in real-time. This app retrieves data directly from your system's register, with or without an internet connection. It's designed for SH10RT models but aims for compatibility with most Sungrow solar systems.

**Highlights:** Real-time data monitoring, Direct register access, Internet or offline operation, Broad Sungrow system compatibility, Specifically for SH10RT models

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calpak VBus®Touch free?

Calpak VBus®Touch is free to download, with no in-app purchases.

### Is SungrowEye free?

SungrowEye costs $7.99, with no in-app purchases.

### Do Calpak VBus®Touch or SungrowEye have ads?

Neither Calpak VBus®Touch nor SungrowEye shows ads.

### Which is updated more often, Calpak VBus®Touch or SungrowEye?

Calpak VBus®Touch ships an update fortnightly, and SungrowEye weekly. Most recently, Calpak VBus®Touch was updated on October 4, 2026 and SungrowEye on October 20, 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.*