Comparison

Overkill Solar vs DIGI MARKER

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

DIGI MARKER

Monitor battery status in real-time, viewing data like voltage, current, and temperature. Conveniently set various parameters for different battery types.

Highlights
  • Real-time status monitoring
  • View voltage, current, temperature
  • View capacity
  • Set battery parameters
  • Supports different battery types
Features
Read full description

1.Real-time status monitoring You can open the app anytime and anywhere to connect the battery and view various data information, such as voltage, current, temperature, capacity, etc. 2. Battery parameter Settings It is very convenient to set various parameters such as current and voltage for different types of batteries.

Screenshots

Overkill Solar4 screens
DIGI MARKER4 screens

Verdict

The call

The clearest difference is update cadence: DIGI MARKER at fortnightly against Overkill Solar's every 4 months. DIGI MARKER also leads on rating (5.0 vs 4.7). Overkill Solar's advantage is ratings volume (16 vs 1) and iOS requirement (13.4 vs 15.5). On price, review sentiment, 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

DIGI MARKER 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. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Overkill Solar ships an update every 4 months, DIGI MARKER fortnightly. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 6 level
Overkill Solar versus DIGI MARKER: the parameters behind the verdict, then further details
ParameterOverkill SolarDIGI MARKER
PriceFreeFree
Rating4.7 (16 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings16 — better1
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.4 — better15.5
Further details — not scored
Size21 MB105 MB
Age rating4+4+
DeveloperOverkill Solar LLCShenzhen Xihe Innovation Technology Co., Ltd.

Customer experience

Overkill Solar

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

DIGI MARKER

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Overkill Solar

No in-app purchases

None

DIGI MARKER

No in-app purchases

Questions

Is Overkill Solar free?
Overkill Solar is free to download, with no in-app purchases.
Is DIGI MARKER free?
DIGI MARKER is free to download, with no in-app purchases.
Which has better reviews, Overkill Solar or DIGI MARKER?
DIGI MARKER is rated higher. Overkill Solar averages 4.7 out of 5 from 16 ratings, while DIGI MARKER averages 5.0 from 1 ratings.
Do Overkill Solar or DIGI MARKER have ads?
Neither Overkill Solar nor DIGI MARKER shows ads.
Which is updated more often, Overkill Solar or DIGI MARKER?
Overkill Solar ships an update every 4 months, and DIGI MARKER fortnightly. Most recently, Overkill Solar was updated on October 14, 2026 and DIGI MARKER on October 2, 2026.

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