# RuiDeng vs Overkill Solar

The clearest difference is review sentiment: Overkill Solar at 100% against RuiDeng's 0%. Overkill Solar also leads on rating (4.7 vs 3.0) and ratings volume (16 vs 2). 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.

Overkill Solar holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Overkill Solar has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of RuiDeng's written reviews are positive against 100% of Overkill Solar's.

RuiDeng ships an update every 3 months, Overkill Solar every 4 months. The most recent releases landed on September 21, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | RuiDeng | Overkill Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/ruideng/id1550070005/reviews) | **[4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** |
| Number of ratings | 2 | **16** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 14 MB | 21 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [亮亮 刘](https://appshunter.io/developer/1439150212) | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) |

## What reviewers say

### RuiDeng

[App page](https://appshunter.io/ios/app/ruideng/id1550070005)

Connect to and manage various devices wirelessly. Display device information and control them via Wi-Fi and Bluetooth. Offers a straightforward way to interact with your hardware.

**Highlights:** Wireless device communication, Device information display, Wi-Fi connectivity, Bluetooth connectivity, Device control

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RuiDeng free?

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

### Is Overkill Solar free?

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

### Which has better reviews, RuiDeng or Overkill Solar?

Overkill Solar is rated higher. RuiDeng averages 3.0 out of 5 from 2 ratings, while Overkill Solar averages 4.7 from 16 ratings.

### Do RuiDeng or Overkill Solar have ads?

Neither RuiDeng nor Overkill Solar shows ads.

### Which is updated more often, RuiDeng or Overkill Solar?

RuiDeng ships an update every 3 months, and Overkill Solar every 4 months. Most recently, RuiDeng was updated on September 21, 2026 and Overkill Solar on August 18, 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.*