# Overkill Solar vs Florida  Lithium

The clearest difference is rating: Florida  Lithium at 5.0 against Overkill Solar's 4.7. Florida  Lithium also leads on update cadence (every 6 weeks vs every 4 months) and iOS requirement (11.0 vs 13.4). Overkill Solar's advantage is ratings volume (16 vs 1). 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.

Florida  Lithium 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.

Overkill Solar ships an update every 4 months, Florida  Lithium every 6 weeks. The most recent releases landed on August 18, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Overkill Solar | Florida  Lithium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/florida-lithium/id6464289243/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 | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 21 MB | 5 MB |
| Requires iOS | 13.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) | [Shenzhenshi Handexing Technology Co. , Ltd.](https://appshunter.io/developer/1616291924) |

## 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


### Florida  Lithium

[App page](https://appshunter.io/ios/app/florida-lithium/id6464289243)

Monitor your lithium batteries in real-time with detailed diagnostics and status updates. Receive customizable push notifications for state of charge, voltage, current, temperature, and individual cell voltages.

**Highlights:** Real-time battery diagnostics, State of charge monitoring, Voltage and current tracking, Temperature alerts, Individual cell voltage display, Push notifications

**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 Florida  Lithium free?

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

### Which has better reviews, Overkill Solar or Florida  Lithium?

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

### Do Overkill Solar or Florida  Lithium have ads?

Neither Overkill Solar nor Florida  Lithium shows ads.

### Which is updated more often, Overkill Solar or Florida  Lithium?

Overkill Solar ships an update every 4 months, and Florida  Lithium every 6 weeks. Most recently, Overkill Solar was updated on August 18, 2026 and Florida  Lithium on September 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.*