# PVbutler vs McCool Mobile Trailers

PVbutler and McCool Mobile Trailers are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | PVbutler | McCool Mobile Trailers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (15 ratings)](https://appshunter.io/ios/app/pvbutler/id1418322399/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 214 MB | 126 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Growatt New Energy Technology Co.,Ltd](https://appshunter.io/developer/1135731820) | [VoltSwitch Technologies INC](https://appshunter.io/developer/1498164935) |

## What reviewers say

### PVbutler

[App page](https://appshunter.io/ios/app/pvbutler/id1418322399)

Monitor your photovoltaic plant's performance remotely. Access energy yield, income, and system status wirelessly. Requires registration with the Sacolar PV Data Center.

**Highlights:** Remote monitoring of photovoltaic plants, Access energy yield data, Track income generation, View system status, Wireless data access, Compatible with Sacolar PV Data Center

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

**In-app purchases:** none


### McCool Mobile Trailers

[App page](https://appshunter.io/ios/app/mccool-mobile-trailers/id6476984619)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PVbutler free?

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

### Is McCool Mobile Trailers free?

McCool Mobile Trailers is free to download, with no in-app purchases.

### Do PVbutler or McCool Mobile Trailers have ads?

Neither PVbutler nor McCool Mobile Trailers shows ads.

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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.*