Battery Master 12V vs Battery Genie Debug
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Battery Master 12V
This tool detects and tests lead-acid batteries, assessing CCA and health. It calculates remaining battery life based on temperature and CCA data. Users can also test cranking and charging systems, with all results shareable and printable.
- Lead-acid battery detection
- Test battery CCA and health
- Calculate available use life
- Test cranking system
- Test charging system
- Share and print test results
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Battery Master is the detection tool for lead acid battery. By installed on battery, it can intelligently test battery CCA and health condition, calculate battery available use life based on temperature and CCA data sheet. When phone is close to device, the app will automatically obtain battery test result. Also, user can alternatively test battery health, cranking system and charging system. All saved history test results can be shared and printed out.
Battery Genie Debug
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You could change some parameters by App terminal to make SOC showing exactly.
Screenshots
Verdict
The clearest difference is update cadence: Battery Master 12V at every 6 weeks against Battery Genie Debug's every 13 months. Battery Genie Debug's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Battery Master 12V ships an update every 6 weeks, Battery Genie Debug every 13 months. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.
| Parameter | Battery Master 12V | Battery Genie Debug |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 weeks — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 32 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | RPS Battery Co.,Ltd |
In-app purchases
Battery Master 12V
No in-app purchases
Battery Genie Debug
No in-app purchases
Questions
Is Battery Master 12V free?
Is Battery Genie Debug free?
Do Battery Master 12V or Battery Genie Debug have ads?
Which is updated more often, Battery Master 12V or Battery Genie Debug?
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