REFUset vs RCMI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
REFUset
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REFUset is needed for the NextGen inverter as LCD display replacement, commissioning help and configuration tool. It helps you to visualize actual values, energy yield, error log in an easy way, through a Bluetooth interface which communicates with your smartphone.
RCMI
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RCMI mainly serves household users of micro-inverter rooftop photovoltaic power generation, real-time and remote monitoring of rooftop solar power stations, and displaying real-time and historical data such as inverter power and power generation in the form of charts
Screenshots
Verdict
The clearest difference is iOS requirement: REFUset at 10.0 against RCMI's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
REFUset ships an update every 5 weeks, RCMI every 2 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.
| Parameter | REFUset | RCMI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 72 MB | 30 MB |
| Age rating | 4+ | 17+ |
| Developer | REFU Elektronik GmbH | Shanghai Rockcore Electronic Technology Co.,Ltd |
In-app purchases
REFUset
No in-app purchases
RCMI
No in-app purchases
