# PVbutler vs Project EV

PVbutler and Project EV are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads 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.

PVbutler ships an update every 3 months, Project EV every 2 months. The most recent releases landed on August 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PVbutler | Project EV |
| --- | --- | --- |
| 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** | 10.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 214 MB | 36 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) | [Shenzhen Growatt New Energy Technology Co.,Ltd](https://appshunter.io/developer/1135731820) |

## 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


### Project EV

[App page](https://appshunter.io/ios/app/project-ev/id1441514573)

Control and manage electric vehicle charging stations remotely. Schedule charging sessions, start/end charging, and monitor your account and charging history. This app offers convenient and fast access to your charging pile status.

**Highlights:** Remote charging pile operation, Pre-scheduled charging, Start/end charging sessions, View account and charging information, Share account charging, Automatic usage calculation, Real-time electric pile status

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PVbutler free?

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

### Is Project EV free?

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

### Do PVbutler or Project EV have ads?

Neither PVbutler nor Project EV shows ads.

### Which is updated more often, PVbutler or Project EV?

PVbutler ships an update every 3 months, and Project EV every 2 months. Most recently, PVbutler was updated on August 15, 2026 and Project EV on September 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.*