# Grape Solar vs Overkill Solar

The clearest difference is review sentiment: Overkill Solar at 100% against Grape Solar's 0%. Overkill Solar also leads on rating (4.7 vs 2.7) and ratings volume (16 vs 3). Grape Solar's advantage is iOS requirement (11.0 vs 13.4). 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.

Overkill Solar holds the better App Store score, 4.7 against 2.7. That said, the two scores are not equally well evidenced: Overkill Solar has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Grape Solar's written reviews are positive against 100% of Overkill Solar's.

## The numbers

| Metric | Grape Solar | Overkill Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/grape-solar/id1611877437/reviews) | **[4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** |
| Number of ratings | 3 | **16** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Monetization | Free | Free |
| Size | 7 MB | 21 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [HNE](https://appshunter.io/developer/1595524900) | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) |

## What reviewers say

### Grape Solar

[App page](https://appshunter.io/ios/app/grape-solar/id1611877437)

Monitor and control your solar charge controller remotely. View system status, historical data, and adjust parameters like battery type and load settings. Requires a compatible BT module.

**Highlights:** Remote display and operation, PV, battery, and DC load status, Historical data display, Parameter settings, Battery type adjustment, Load mode settings

**Features:** macOS Compatibility

**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 Grape Solar free?

Grape Solar 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, Grape Solar or Overkill Solar?

Overkill Solar is rated higher. Grape Solar averages 2.7 out of 5 from 3 ratings, while Overkill Solar averages 4.7 from 16 ratings.

### Do Grape Solar or Overkill Solar have ads?

Neither Grape Solar nor Overkill Solar shows ads.

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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.*