# Overkill Solar vs TEMGO

The clearest difference is rating: Overkill Solar at 4.7 against TEMGO's 4.0. Overkill Solar also leads on ratings volume (16 vs 3). TEMGO's advantage is update cadence (every 3 weeks vs every 4 months). On price, review sentiment, 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, 4.7 against 4.0. 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 split almost evenly too, at 100% and 100% positive.

Overkill Solar ships an update every 4 months, TEMGO every 3 weeks. Both last shipped on August 18, 2026.

## The numbers

| Metric | Overkill Solar | TEMGO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/temgo/id6483105426/reviews) |
| Number of ratings | **16** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 31 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [Shenzhen Guri New Energy](https://appshunter.io/developer/1748705940) |

## 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


### TEMGO

[App page](https://appshunter.io/ios/app/temgo/id6483105426)

Monitor your battery's real-time performance, including voltage, current, and internal resistance. Track historical data, compare individual cell performance, and receive alerts for critical temperature and voltage conditions. This system helps optimize battery health and lifespan.

**Highlights:** Real-time voltage, current, and power display, Historical data charting, Individual cell comparison and balancing, Temperature and voltage alarms, Fault reporting function

**Features:** macOS Compatibility, 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 TEMGO free?

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

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

Overkill Solar is rated higher. Overkill Solar averages 4.7 out of 5 from 16 ratings, while TEMGO averages 4.0 from 3 ratings.

### Do Overkill Solar or TEMGO have ads?

Neither Overkill Solar nor TEMGO shows ads.

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

Overkill Solar ships an update every 4 months, and TEMGO every 3 weeks. Most recently, Overkill Solar was updated on August 18, 2026 and TEMGO on August 18, 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.*