# RockCONNECT IoT vs Sol

The clearest difference is iOS requirement: Sol at 13.4 against RockCONNECT IoT's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RockCONNECT IoT ships an update every 2 months, Sol every 6 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | RockCONNECT IoT | Sol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/sol-max-assist/id6756594867/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 2 MB | 45 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ground Control Technologies UK Ltd](https://appshunter.io/developer/1774186724) | [SOL-MAX INC](https://appshunter.io/developer/1861656099) |

## What reviewers say

### RockCONNECT IoT

[App page](https://appshunter.io/ios/app/rockconnect-iot/id6749900371)

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

**In-app purchases:** none


### Sol

[App page](https://appshunter.io/ios/app/sol-max-assist/id6756594867)

Monitor your inverter's performance and log its data. This application also allows for inverter configuration, providing essential control over your power system.

**Highlights:** Monitor inverter data, Log inverter data, Inverter configuration, View system performance

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

**In-app purchases:** none


## Frequently asked questions

### Is RockCONNECT IoT free?

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

### Is Sol free?

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

### Do RockCONNECT IoT or Sol have ads?

Neither RockCONNECT IoT nor Sol shows ads.

### Which is updated more often, RockCONNECT IoT or Sol?

RockCONNECT IoT ships an update every 2 months, and Sol every 6 weeks. Most recently, RockCONNECT IoT was updated on October 30, 2026 and Sol on November 5, 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.*