HK Battery vs Battery Testing Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HK Battery
Monitor your Hardkorr Bluetooth-enabled deep cycle batteries with this free utility app. View real-time data like state of charge, voltage, current draw, and temperature. It also provides detailed warnings and error information for supported battery models.
- Real-time battery voltage
- State of charge monitoring
- Live current draw
- Temperature readings
- Warnings and error alerts
- Charge cycle tracking
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This free app allows you to view detailed diagnostic information for your Hardkorr Bluetooth-enabled deep cycle batteries. You can access a range of useful information including: State of charge Nominal voltage and capacity Live current draw and battery voltage Status (standby, discharging, charging) Warnings and errors (short circuit, over- and under-temp, over- and under-voltage) Total charge cycles Temperature Detailed cell information Supported products include: HKPBATL135B (135Ah Lithium Deep Cycle Battery) HKPBATL135BH (135Ah Lithium Deep Cycle Battery with Heat Film) HKPBATL240B (240Ah Lithium Deep Cycle Battery) HKPBATL240BH (240Ah Lithium Deep Cycle Battery with Heat Film)
Battery Testing Master
This application benchmarks the battery performance of mobile devices. It provides a comprehensive test for battery health, suitable for both new and used batteries on iOS devices.
- Battery benchmarking
- Battery health testing
- Mobile device optimization
- iOS battery analysis
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Battery test master is a battery benchmarking application designed specifically for mobile devices. This is also the perfect test for your iOS battery, regardless of whether the battery is new or used, download it now and try it out.
Screenshots
Verdict
The clearest difference is in-app purchases: HK Battery at none against Battery Testing Master's 1. HK Battery also leads on ads (none vs shown) and review sentiment (25% vs 0%). Battery Testing Master's advantage is update cadence (every 5 days vs every 2 months). On price and device support 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. Battery Testing Master sells 1 one-off in-app purchase. HK Battery asks for nothing beyond the download.
HK Battery ships an update every 2 months, Battery Testing Master every 5 days. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.
| Parameter | HK Battery | Battery Testing Master |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (28 ratings) — better |
| Positive reviews | 25.0% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 28 — better |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 13 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Hardkorr | Nguyen Ngoc Long |
Customer experience
HK Battery
Battery Testing Master
In-app purchases
HK Battery
No in-app purchases
Battery Testing Master
- Remove ads$1.99
Questions
Is HK Battery free?
Is Battery Testing Master free?
Do HK Battery or Battery Testing Master have ads?
Which is updated more often, HK Battery or Battery Testing Master?
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