# TOPGREENER vs Overkill Solar

TOPGREENER and Overkill Solar both sit at 4.8 stars, but that hides the real split: 100% of Overkill Solar's written reviews are positive against 69% of TOPGREENER's. TOPGREENER's advantage is ratings volume (3.5K vs 16) and iOS requirement (10.0 vs 13.4). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for TOPGREENER against 4.7 for Overkill Solar. That said, the two scores are not equally well evidenced: TOPGREENER has 3.5K ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 69% of TOPGREENER's written reviews are positive against 100% of Overkill Solar's.

TOPGREENER ships an update every 6 months, Overkill Solar every 4 months. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TOPGREENER | Overkill Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (3.5K ratings)](https://appshunter.io/ios/app/topgreener/id1412038052/reviews)** | [4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews) |
| Number of ratings | **3.5K** | 16 |
| Positive reviews | 68.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 181 MB | 21 MB |
| Requires iOS | **10.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TopGreener,Inc.](https://appshunter.io/developer/1412038051) | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) |

## What reviewers say

### TOPGREENER

[App page](https://appshunter.io/ios/app/topgreener/id1412038052)

Control your smart home devices wirelessly from a single application. Manage Wi-Fi switches, receptacles, and plug-in outlets without requiring a central hub.

**Highlights:** Wireless device control, No hub required, Manage Wi-Fi switches, Control receptacles, Operate plug-in outlets

**In-app purchases:** none

**What reviewers like**

- 🚀 Works perfectly
- 👍 Easy to use
- 🔧 Reliable
- 💡 Great app and hardware
- 👍 Simple to set up

**What reviewers complain about**

- 🐛 Stopped working and had to re-pair after 8 months
- 🐛 Buggy. Device's intermittently lose connection
- 🐛 Very hard to maintenance
- 🐛 Not a fine wine
- 🐛 Doesn't lock in your location time zone!!

**Reported bugs**

- Can't set the location
- Login and registration issues
- Unable to view detailed usage on older iPhones

**Requested features**

- Apple Watch functionality
- More dimmers and wifi wall plugs in Canada
- Apple HomeKit, Google and Samsung automation integration
- Hourly usage data
- Power usage cost tracking


### 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 TOPGREENER free?

TOPGREENER 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, TOPGREENER or Overkill Solar?

TOPGREENER is rated higher. TOPGREENER averages 4.8 out of 5 from 3.5K ratings, while Overkill Solar averages 4.7 from 16 ratings.

### Do TOPGREENER or Overkill Solar have ads?

Neither TOPGREENER nor Overkill Solar shows ads.

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

TOPGREENER ships an update every 6 months, and Overkill Solar every 4 months. Most recently, TOPGREENER was updated on October 20, 2026 and Overkill Solar on October 14, 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.*