# Overkill Solar vs Temprium

The clearest difference is rating: Overkill Solar at 4.8 against Temprium's 2.0. Overkill Solar also leads on ratings volume (21 vs 4). On price, update cadence, 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, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Overkill Solar has 21 ratings behind it against 4, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Overkill Solar | Temprium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (21 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/temprium/id6754986482/reviews) |
| Number of ratings | **21** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 21 MB | 184 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [Ningbo Hoome Information Technology Co.,Ltd](https://appshunter.io/developer/1669487179) |

## 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


### Temprium

[App page](https://appshunter.io/ios/app/temprium/id6754986482)

Effortlessly manage your home's climate with precise temperature adjustments and remote control for various modes. Schedule routines to optimize energy usage and control multiple compatible appliances from a single interface. Setup is quick and seamless.

**Highlights:** Precise temperature adjustments, Remote control for AC modes, Intelligent scheduling and timers, Manage multiple devices, Quick network setup

**In-app purchases:** none


## Frequently asked questions

### Is Overkill Solar free?

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

### Is Temprium free?

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

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

Overkill Solar is rated higher. Overkill Solar averages 4.8 out of 5 from 21 ratings, while Temprium averages 2.0 from 4 ratings.

### Do Overkill Solar or Temprium have ads?

Neither Overkill Solar nor Temprium shows ads.

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

Overkill Solar ships an update every 4 months, and Temprium every 4 months. Most recently, Overkill Solar was updated on October 24, 2026 and Temprium on October 25, 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.*