# Overkill Solar vs HydroponicsCalc

The clearest difference is price: Overkill Solar at Free against HydroponicsCalc's $1.99. Overkill Solar also leads on ratings volume (16 vs 1) and iOS requirement (13.4 vs 26.5). HydroponicsCalc's advantage is rating (5.0 vs 4.7). On ads, in-app purchases and device support there is nothing between them.

Overkill Solar is free to download; HydroponicsCalc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HydroponicsCalc 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.

## The numbers

| Metric | Overkill Solar | HydroponicsCalc |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydroponicscalc/id6775172331/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 | — |
| Monetization | **Free** | Paid |
| Size | 21 MB | 1 MB |
| Requires iOS | **13.4** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [Douglas Stieber](https://appshunter.io/developer/6771586128) |

## 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


### HydroponicsCalc

[App page](https://appshunter.io/ios/app/hydroponicscalc/id6775172331)

Manage your hydroponic garden with this comprehensive tool. Track reservoir levels, mix nutrients precisely, calculate pH and VPD, and document your grow with a journal and harvest log. Supports both US and metric units.

**Highlights:** Reservoir management dashboard, Concentrate and EC mixing calculators, pH and VPD calculators, Grow journal with photo timeline, Harvest log and ROI dashboard, Light schedule tracker, US & Metric unit support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Overkill Solar free?

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

### Is HydroponicsCalc free?

HydroponicsCalc costs $1.99, with no in-app purchases.

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

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

### Do Overkill Solar or HydroponicsCalc have ads?

Neither Overkill Solar nor HydroponicsCalc 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.*