Comparison

Overkill Solar vs DALY BMS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Overkill Solar

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
Read full description

Overkill Solar iOS App allows users to connect with the Overkill Solar Battery Management System (BMS). It can monitor voltage of the cells, total capacity, charging and discharging current, and switch the charging and discharging ports on or off. Features: - change bluetooth advertising name - unlock hardware protected BMS - save or load BMS configurations - calibrate cells voltage and charging or discharging current - log maximum or minimum voltage, current and power - enable and configure the balancer - modify the capacity settings - monitor temperature - monitor BMS alarms - import and export .fig files - set level 2 and 3 advanced protection values

About

DALY BMS

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
Read full description

1. The uniqueness of the Bluetooth name ensures that users can accurately connect and manage the corresponding lithium battery; 2. Information query management can be performed on the battery, the user can query the relevant status of each string of batteries, and replace or maintain the abnormal battery; 3. Safety setting and reading battery protection parameters, user setting parameters, you need to enter a password to modify the parameters; 4. Monitor battery fault alarms and display the current faults,and the number of faults in the battery;

Screenshots

Overkill Solar4 screens
DALY BMS4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Overkill Solar versus DALY BMS: the parameters behind the verdict, then further details
ParameterOverkill SolarDALY BMS
PriceFreeFree
Rating4.7 (16 ratings) — better1.8 (12 ratings)
Positive reviews100.0% of reviews — better9.1% of reviews
Number of ratings16 — better12
Update frequencyEvery 4 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size21 MB57 MB
Age rating4+17+
DeveloperOverkill Solar LLC所兵 邱

Customer experience

Overkill Solar

All ratings16 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

DALY BMS

All ratings12 ratings
Positive16.7%
Neutral0.0%
Negative83.3%
Written reviews11 reviews
Positive9.1%
Neutral0.0%
Negative90.9%

In-app purchases

None

Overkill Solar

No in-app purchases

None

DALY BMS

No in-app purchases

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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