# Overkill Solar vs DALY BMS

The clearest difference is review sentiment: Overkill Solar at 100% against DALY BMS's 9%. Overkill Solar also leads on rating (4.7 vs 1.8). DALY BMS's advantage is update cadence (every 8 days vs every 4 months). On price, ratings volume, 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 1.8. Both are backed by a comparable volume of ratings — 16 and 12 respectively. Written reviews point the same way: 100% of Overkill Solar's written reviews are positive against 9% of DALY BMS's.

Overkill Solar ships an update every 4 months, DALY BMS every 8 days. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Overkill Solar | DALY BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** | [1.8 (12 ratings)](https://appshunter.io/ios/app/daly-bms/id6738759485/reviews) |
| Number of ratings | **16** | 12 |
| Positive reviews | **100.0% of reviews** | 9.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 21 MB | 57 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) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## 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


### DALY BMS

[App page](https://appshunter.io/ios/app/daly-bms/id6738759485)

Monitor and manage your lithium battery's status. Query battery string information, identify and replace abnormal cells, and set safety parameters. Receive alerts for battery faults and track their occurrences.

**Highlights:** Unique Bluetooth name for accurate connection, Query battery string status, Identify and replace abnormal batteries, Set and read battery protection parameters, Monitor and display battery fault alarms

**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 DALY BMS free?

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

### Which has better reviews, Overkill Solar or DALY BMS?

Overkill Solar is rated higher. Overkill Solar averages 4.7 out of 5 from 16 ratings, while DALY BMS averages 1.8 from 12 ratings.

### Do Overkill Solar or DALY BMS have ads?

Neither Overkill Solar nor DALY BMS shows ads.

### Which is updated more often, Overkill Solar or DALY BMS?

Overkill Solar ships an update every 4 months, and DALY BMS every 8 days. Most recently, Overkill Solar was updated on September 28, 2026 and DALY BMS on October 6, 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.*