Overkill Solar vs DIGI MARKER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
DIGI MARKER
Monitor battery status in real-time, viewing data like voltage, current, and temperature. Conveniently set various parameters for different battery types.
- Real-time status monitoring
- View voltage, current, temperature
- View capacity
- Set battery parameters
- Supports different battery types
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | Overkill Solar | DIGI MARKER |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (16 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 16 — better | 1 |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.4 — better | 15.5 |
| Further details — not scored | ||
| Size | 21 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | Overkill Solar LLC | Shenzhen Xihe Innovation Technology Co., Ltd. |
Customer experience
Overkill Solar
DIGI MARKER
In-app purchases
Overkill Solar
No in-app purchases
DIGI MARKER
No in-app purchases









