# Overkill Solar vs WattCycle

The clearest difference is review sentiment: Overkill Solar at 100% against WattCycle's 10%. Overkill Solar also leads on rating (4.7 vs 2.0) and iOS requirement (13.4 vs 16.0). WattCycle's advantage is update cadence (every 9 days vs every 4 months) and ratings volume (48 vs 16). 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 2.0. Both are backed by a comparable volume of ratings — 16 and 48 respectively. Written reviews point the same way: 100% of Overkill Solar's written reviews are positive against 10% of WattCycle's.

Overkill Solar ships an update every 4 months, WattCycle every 9 days. The most recent releases landed on September 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Overkill Solar | WattCycle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** | [2.0 (48 ratings)](https://appshunter.io/ios/app/wattcycle/id6739477367/reviews) |
| Number of ratings | 16 | **48** |
| Positive reviews | **100.0% of reviews** | 10.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 21 MB | 94 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [WattCycle](https://appshunter.io/developer/1785559487) |

## 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


### WattCycle

[App page](https://appshunter.io/ios/app/wattcycle/id6739477367)

This application connects to Bluetooth batteries to provide real-time monitoring of their status. It allows users to keep a close eye on their battery's performance and health.

**Highlights:** Bluetooth battery connection, Real-time battery status monitoring, Battery health tracking

**Features:** macOS Compatibility, Apple Wallet, 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 WattCycle free?

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

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

Overkill Solar is rated higher. Overkill Solar averages 4.7 out of 5 from 16 ratings, while WattCycle averages 2.0 from 48 ratings.

### Do Overkill Solar or WattCycle have ads?

Neither Overkill Solar nor WattCycle shows ads.

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

Overkill Solar ships an update every 4 months, and WattCycle every 9 days. Most recently, Overkill Solar was updated on September 28, 2026 and WattCycle on October 9, 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.*