# Overkill Solar vs Renogy Tech

The clearest difference is rating: Renogy Tech at 5.0 against Overkill Solar's 4.7. Overkill Solar's advantage is ratings volume (16 vs 1). 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.

Renogy Tech holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Overkill Solar has 16 ratings behind it against 1, so its average is the more settled of the two.

Overkill Solar ships an update every 4 months, Renogy Tech every 3 months. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Overkill Solar | Renogy Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/renogy-tech/id6737466248/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 21 MB | 42 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [Renogy Suzhou Co.,Ltd.](https://appshunter.io/developer/1490992894) |

## What reviewers say

### Overkill Solar

[App page](https://appshunter.io/ios/app/overkill-solar/id6444233824)

This app connects to a solar battery management system to provide detailed monitoring and control. Users can track cell voltage, capacity, current, and manage charging/discharging ports. It also offers advanced configuration options for calibration, balancing, and protection settings.

**Highlights:** Monitor cell voltage and capacity, Control charging and discharging ports, Calibrate voltage and current, Configure balancer and protection values, Log voltage, current, and power, Monitor BMS alarms and temperature

**Features:** macOS Compatibility

**In-app purchases:** none


### Renogy Tech

[App page](https://appshunter.io/ios/app/renogy-tech/id6737466248)

This application facilitates firmware downloads, device upgrades, and vehicle configuration for RV owners. It assists in troubleshooting and repairing onboard systems, and enables bulk device configuration for OE manufacturers.

**Highlights:** Firmware download, Device upgrade, Device replacement, Vehicle configuration, System troubleshooting, Batch device configuration

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

**In-app purchases:** none


## Frequently asked questions

### Is Overkill Solar free?

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

### Is Renogy Tech free?

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

### Which has better reviews, Overkill Solar or Renogy Tech?

Renogy Tech is rated higher. Overkill Solar averages 4.7 out of 5 from 16 ratings, while Renogy Tech averages 5.0 from 1 ratings.

### Do Overkill Solar or Renogy Tech have ads?

Neither Overkill Solar nor Renogy Tech shows ads.

### Which is updated more often, Overkill Solar or Renogy Tech?

Overkill Solar ships an update every 4 months, and Renogy Tech every 3 months. Most recently, Overkill Solar was updated on September 28, 2026 and Renogy Tech on October 2, 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.*