What is Battery Master 12V's rating?

Battery Master 12V is rated 4.2 stars across 623 ratings on the Play Store.

Who makes Battery Master 12V?

Battery Master 12V is published by taiwanyichengkeji, launched on Feb 21, 2020.

Where does Battery Master 12V rank in its category?

Battery Master 12V ranks #63521 of 77129 apps in Tools, putting it in the top 82.4% by revenue.

How much does Battery Master 12V earn?

Q: How much does Battery Master 12V earn?

Battery Master 12V earns approximately 120 per month based on bumetric's ML revenue forecast, calibrated against 77129 comparable Android apps in Tools.

Android app from taiwanyichengkeji · Tools

ML forecast ★ 4.2 · 623 Free

~120/mo

ML revenue forecast. Calibrated against 77129 apps in this category.

Confidence band

±15%

High — many comparable apps with verified data

At a glance

Earns 1.6× less than the category median (189/mo).
Ranks #63,521 of 77,129 in Tools (top 82.4% by revenue).
Launched Feb 21, 2020 · last updated Nov 04, 2025.

What the app looks like

Live screenshots from the Play Store, captured by our snapshot worker. Tap any image to enlarge.

Battery Master 12V's revenue trajectory

Forecast revenue from snapshot history. Last 1 months.

Where Battery Master 12V sits in Tools

Revenue distribution of 77129 comparable apps. Battery Master 12V highlighted.

Battery Master 12V vs comparable apps

Revenue trajectory side-by-side. Bold = Battery Master 12V, ghosted = peers.

App spec

Version

2.7.4

Last update

Nov 04, 2025

Launched

Feb 21, 2020

Price

Free

Monetization

Free

What Battery Master 12V actually does (from store listing)

"Battery Master 12V" 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.

Comparable Android apps

The five apps in Tools with the closest revenue to Battery Master 12V. Click any to see its detail page.

App	Revenue	Rating	Ratings
Brother Mobile Connect	120	★ 4.5	198K
Wisenet SSM for SSM 2.1	120	—	0
爆速メタドラ時間割2【ゲリラダンジョン】攻略	120	—	0
SyncBack Monitor	120	—	0
Cut Sounds	120	—	0

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How we calculated this

Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag. The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR. Every number on this page comes from public APIs and bumetric's own snapshot history.

Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors. See also the live data on Battery Master 12V's tracker page for current rating, reviews and snapshot timeline.

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