# PV Go vs 牧安

The clearest difference is ads: 牧安 at none against PV Go's shown. 牧安 also leads on update cadence (every 3 months vs every 6 months) and iOS requirement (12.1 vs 15.1). On price, 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 Go ships an update every 6 months, 牧安 every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | PV Go | 牧安 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 44 MB | 38 MB |
| Requires iOS | 15.1 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thingnario co. LTD](https://appshunter.io/developer/1296191019) | [Yun-Ren Chen](https://appshunter.io/developer/1652674945) |

## What reviewers say

### PV Go

[App page](https://appshunter.io/ios/app/pv-go/id1296191020)

This AI-powered system optimizes photovoltaic (PV) operations of any scale by intelligently managing data to prevent performance decline and latency. It predicts energy output with high accuracy and provides data-backed visualizations for efficient O&M ticket dispatch.

**Highlights:** AI-powered energy output prediction, Intelligent data management, O&M ticket dispatch system, Data-backed visualizations, Real-time GUI monitoring, Topology and heatmap views

**Features:** macOS Compatibility

**In-app purchases:** none


### 牧安

[App page](https://appshunter.io/ios/app/id6494988985)

**In-app purchases:** none


## Frequently asked questions

### Is PV Go free?

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

### Is 牧安 free?

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

### Do PV Go or 牧安 have ads?

PV Go shows ads; 牧安 does not.

### Which is updated more often, PV Go or 牧安?

PV Go ships an update every 6 months, and 牧安 every 3 months. Most recently, PV Go was updated on November 3, 2026 and 牧安 on November 4, 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.*