# Pownova vs so2check

The clearest difference is ads: Pownova at none against so2check's shown. Pownova also leads on update cadence (every 3 weeks vs every 3 months). so2check's advantage is iOS requirement (13.0 vs 15.6). 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.

Pownova ships an update every 3 weeks, so2check every 3 months. The most recent releases landed on July 17, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Pownova | so2check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/pownova/id6502856740/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 180 MB | 25 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [进 王](https://appshunter.io/developer/1415841607) | [Yasuhiro Hamada](https://appshunter.io/developer/1825750232) |

## What reviewers say

### Pownova

[App page](https://appshunter.io/ios/app/pownova/id6502856740)

Monitor the status, data, and events of solar and energy storage systems remotely. Adjust system settings based on requirements and local regulations. Access plant information anytime, anywhere.

**Highlights:** Monitor system status, View running data, Track events, Remote configuration, Anytime, anywhere access

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

**In-app purchases:** none


### so2check

[App page](https://appshunter.io/ios/app/so2check/id6749897303)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pownova free?

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

### Is so2check free?

so2check is free to download, with no in-app purchases.

### Do Pownova or so2check have ads?

so2check shows ads; Pownova does not.

### Which is updated more often, Pownova or so2check?

Pownova ships an update every 3 weeks, and so2check every 3 months. Most recently, Pownova was updated on July 17, 2026 and so2check on September 17, 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.*