# Supervolt vs RCT App 2.0

The clearest difference is review sentiment: Supervolt at 42% against RCT App 2.0's 4%. Supervolt also leads on update cadence (monthly vs every 4 months). RCT App 2.0's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Supervolt ships an update monthly, RCT App 2.0 every 4 months. The most recent releases landed on October 1, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | Supervolt | RCT App 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **42.2% of reviews** | 3.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 11 MB | 40 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bauer Trading GmbH](https://appshunter.io/developer/1552664041) | [RCT Power GmbH](https://appshunter.io/developer/1392659398) |

## What reviewers say

### Supervolt

[App page](https://appshunter.io/ios/app/supervolt/id1552664039)

Monitor your LiFePO4 batteries with this app. It displays key parameters like capacity, voltage, current, and temperature. You can connect up to eight batteries simultaneously and name them for easy identification.

**Highlights:** Real-time battery data display, Capacity and remaining capacity, Voltage and current monitoring, Cell voltage and temperature, Connect up to 8 batteries, Name individual batteries, Two dashboard views

**Features:** macOS Compatibility

**In-app purchases:** none


### RCT App 2.0

[App page](https://appshunter.io/ios/app/rct-app-20/id6473448807)

Monitor your solar power system's performance in real-time. Track electricity production, storage, consumption, and grid feed-in. Analyze historical data to optimize self-consumption and manage your energy.

**Highlights:** Real-time PV system data, Electricity storage tracking, Consumption analysis, Grid feed-in monitoring, Daily, monthly, yearly data analysis, Inverter commissioning

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

**In-app purchases:** none


## Frequently asked questions

### Is Supervolt free?

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

### Is RCT App 2.0 free?

RCT App 2.0 is free to download, with no in-app purchases.

### Do Supervolt or RCT App 2.0 have ads?

Neither Supervolt nor RCT App 2.0 shows ads.

### Which is updated more often, Supervolt or RCT App 2.0?

Supervolt ships an update monthly, and RCT App 2.0 every 4 months. Most recently, Supervolt was updated on October 1, 2026 and RCT App 2.0 on July 21, 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.*