# SofiaPV vs Micro OPN

The clearest difference is update cadence: Micro OPN at every 4 weeks against SofiaPV's every 5 months. 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.

SofiaPV ships an update every 5 months, Micro OPN every 4 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SofiaPV | Micro OPN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 31 MB | 106 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Solenso electronic materials Co.,Ltd](https://appshunter.io/developer/1564206358) | [杭州锦朋新能源有限公司](https://appshunter.io/developer/1770214362) |

## What reviewers say

### SofiaPV

[App page](https://appshunter.io/ios/app/sofiapv/id1564207472)

Monitor your distributed PV power plant's performance with real-time data. Track energy generation, view module-level details, and receive alarm notifications to ensure optimal operation and expected yield.

**Highlights:** Module-level monitoring, Real-time data display, Energy generation tracking, Alarm information display, Plant operation monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Micro OPN

[App page](https://appshunter.io/ios/app/micro-opn/id6714471486)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SofiaPV free?

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

### Is Micro OPN free?

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

### Do SofiaPV or Micro OPN have ads?

Neither SofiaPV nor Micro OPN shows ads.

### Which is updated more often, SofiaPV or Micro OPN?

SofiaPV ships an update every 5 months, and Micro OPN every 4 weeks. Most recently, SofiaPV was updated on October 24, 2026 and Micro OPN on October 9, 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.*