# SolarGain vs RIENERGYFLOWR

The clearest difference is update cadence: SolarGain at fortnightly against RIENERGYFLOWR's every 5 weeks. RIENERGYFLOWR's advantage is iOS requirement (12.0 vs 15.0). 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.

SolarGain ships an update fortnightly, RIENERGYFLOWR every 5 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | SolarGain | RIENERGYFLOWR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 46 MB | 26 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [App Inlet (Pty) Ltd](https://appshunter.io/developer/1191972056) | [无锡乐伏网络科技有限公司](https://appshunter.io/developer/1197246083) |

## What reviewers say

### SolarGain

[App page](https://appshunter.io/ios/app/solargain/id1669177716)

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

**In-app purchases:** none


### RIENERGYFLOWR

[App page](https://appshunter.io/ios/app/rienergyflowr/id6446395462)

Monitor and control advanced energy storage systems, string inverters, and hybrid inverters. This application provides intelligent cloud-based software solutions for managing energy flow. It is designed for users of specific energy hardware.

**Highlights:** Monitor energy storage systems, Control string inverters, Manage hybrid inverters, Cloud-based software solutions, Intelligent energy flow management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolarGain free?

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

### Is RIENERGYFLOWR free?

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

### Do SolarGain or RIENERGYFLOWR have ads?

Neither SolarGain nor RIENERGYFLOWR shows ads.

### Which is updated more often, SolarGain or RIENERGYFLOWR?

SolarGain ships an update fortnightly, and RIENERGYFLOWR every 5 weeks. Most recently, SolarGain was updated on October 30, 2026 and RIENERGYFLOWR on October 30, 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.*