# SolarMate vs Overkill Solar

The clearest difference is review sentiment: Overkill Solar at 100% against SolarMate's 14%. Overkill Solar also leads on rating (4.7 vs 2.1). SolarMate's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (11.0 vs 13.4). On price, ratings volume, 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 2.1. Both are backed by a comparable volume of ratings — 17 and 16 respectively. Written reviews point the same way: 14% of SolarMate's written reviews are positive against 100% of Overkill Solar's.

SolarMate ships an update every 2 months, Overkill Solar every 4 months. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SolarMate | Overkill Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (17 ratings)](https://appshunter.io/ios/app/solarmate/id1530762477/reviews) | **[4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** |
| Number of ratings | **17** | 16 |
| Positive reviews | 14.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 61 MB | 21 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [赵标 阙](https://appshunter.io/developer/1323879519) | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) |

## What reviewers say

### SolarMate

[App page](https://appshunter.io/ios/app/solarmate/id1530762477)

Monitor your photovoltaic (PV) system's performance with this intelligent app. Connect wirelessly to your devices to view real-time work information, historical data, and equipment parameters. Adjust device settings and gain insights into your PV system's overall health.

**Highlights:** Wireless PV device monitoring, Real-time work information, Historical data tracking, Equipment parameter display, PV system information, Device parameter settings

**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 SolarMate free?

SolarMate 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, SolarMate or Overkill Solar?

Overkill Solar is rated higher. SolarMate averages 2.1 out of 5 from 17 ratings, while Overkill Solar averages 4.7 from 16 ratings.

### Do SolarMate or Overkill Solar have ads?

Neither SolarMate nor Overkill Solar shows ads.

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

SolarMate ships an update every 2 months, and Overkill Solar every 4 months. Most recently, SolarMate was updated on September 30, 2026 and Overkill Solar on September 28, 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.*