# PV Pro vs EG4 BMS

The clearest difference is update cadence: EG4 BMS at every 3 days against PV Pro's fortnightly. EG4 BMS also leads on iOS requirement (11.0 vs 13.0). 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.

PV Pro ships an update fortnightly, EG4 BMS every 3 days. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PV Pro | EG4 BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (130 ratings)](https://appshunter.io/ios/app/pv-pro/id1247121391/reviews)** | — |
| Number of ratings | **130** | — |
| Positive reviews | 16.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | — |
| Size | 181 MB | 44 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu E-Linter Information Technology Co., Ltd.](https://appshunter.io/developer/1149235329) | [eg4](https://appshunter.io/developer/1858965001) |

## What reviewers say

### PV Pro

[App page](https://appshunter.io/ios/app/pv-pro/id1247121391)

Monitor and manage your photovoltaic power plants with real-time status updates. Easily track daily, monthly, and yearly power generation to stay informed about your plant's performance.

**Highlights:** Real-time power plant status, Daily power generation tracking, Monthly power generation tracking, Yearly power generation tracking, Convenient power plant overview

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

**In-app purchases:** none


### EG4 BMS

[App page](https://appshunter.io/ios/app/eg4-bms/id6758079727)

**In-app purchases:** none


## Frequently asked questions

### Is PV Pro free?

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

### Is EG4 BMS free?

EG4 BMS is free to download, with no in-app purchases.

### Do PV Pro or EG4 BMS have ads?

Neither PV Pro nor EG4 BMS shows ads.

### Which is updated more often, PV Pro or EG4 BMS?

PV Pro ships an update fortnightly, and EG4 BMS every 3 days. Most recently, PV Pro was updated on October 23, 2026 and EG4 BMS on October 7, 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.*