# Solar Hybrid PCU vs Mecwin RMS

The clearest difference is update cadence: Mecwin RMS at fortnightly against Solar Hybrid PCU's every 3 months. Mecwin RMS also leads on 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 Hybrid PCU ships an update every 3 months, Mecwin RMS fortnightly. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Solar Hybrid PCU | Mecwin RMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 50 MB | 77 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [SU-VASTIKA SYSTEMS PRIVATE LIMITED](https://appshunter.io/developer/1523208936) | [Gully2Global](https://appshunter.io/developer/1698378208) |

## What reviewers say

### Solar Hybrid PCU

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Mecwin RMS

[App page](https://appshunter.io/ios/app/mecwin-rms/id6476883323)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar Hybrid PCU free?

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

### Is Mecwin RMS free?

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

### Do Solar Hybrid PCU or Mecwin RMS have ads?

Neither Solar Hybrid PCU nor Mecwin RMS shows ads.

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

Solar Hybrid PCU ships an update every 3 months, and Mecwin RMS fortnightly. Most recently, Solar Hybrid PCU was updated on November 7, 2026 and Mecwin RMS on November 12, 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.*