# Solar Controller vs Solar Hybrid PCU

The clearest difference is update cadence: Solar Hybrid PCU at every 3 months against Solar Controller's every 9 months. Solar Controller's advantage is iOS requirement (13.0 vs 15.6). 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.

Solar Controller ships an update every 9 months, Solar Hybrid PCU every 3 months. The most recent releases landed on April 26, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Solar Controller | Solar Hybrid PCU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Size | 23 MB | 50 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) | [SU-VASTIKA SYSTEMS PRIVATE LIMITED](https://appshunter.io/developer/1523208936) |

## What reviewers say

### Solar Controller

[App page](https://appshunter.io/ios/app/solar-controller/id1665008052)

**In-app purchases:** none


### Solar Hybrid PCU

[App page](https://appshunter.io/ios/app/solar-hybrid-pcu/id6448774660)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar Controller free?

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

### Is Solar Hybrid PCU free?

Solar Hybrid PCU is free to download, with no in-app purchases.

### Do Solar Controller or Solar Hybrid PCU have ads?

Neither Solar Controller nor Solar Hybrid PCU shows ads.

### Which is updated more often, Solar Controller or Solar Hybrid PCU?

Solar Controller ships an update every 9 months, and Solar Hybrid PCU every 3 months. Most recently, Solar Controller was updated on April 26, 2026 and Solar Hybrid PCU on September 11, 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.*