AppCorpus
Market US

Battery Master 12V

by Shenzhen Leagend Optoelectronics Co., Ltd.

iPhone

Active Last checked 6 Aug 2026

Quick verdict

What it is
Store information collected; independent summary not yet available.
At a glance
  • Free to download

Categories and search queries

Official categories

AppCorpus categories

Key functions

Function Availability Access Scope Evidence
Free app Yes Free Store published

Screens

App Store

7 store screenshots

Battery Master 12V iphone screenshot 1
Battery Master 12V iphone screenshot 2
Battery Master 12V iphone screenshot 3
Battery Master 12V iphone screenshot 4

Pricing & paywalls

App Store

  • Free

Ratings & reviews

App Store

3.4 5 ratings · App Store

  1. 3/5Unlike other monitors, no bt serial detection

    Unlike other monitors, no bt serial detection

    iPhoneForLawyers · 6 Aug 2026

Privacy & accessibility

App Store

Privacy

  • Data Not Collected Developer declared

Accessibility

No accessibility labels collected yet.

Versions

App Store

  • 1.2.0

    Modify the homepage UI data display Optimize battery test, start test, charge test Add my other vehicle status Add privacy policy and terms of service

  • 1.3

    1,Add third-party login support for Apple, Twitter, Facebook, and WeChat 2,Optimize Bluetooth connection details

  • 1.3.1

    Modify language display details

  • 1.3.2

    Modify some text translation Optimize synchronization of historical data details

  • 1.3.3

    Optimize iOS15 compatibility details

  • 1.4.0

    1,去除Facebook、Twitter登录 2,增加邮箱验证方式登录 3,优化历史数据日历选择数据标识

  • 1.4.1

    1. Remove Facebook and Twitter login 2. Add email authentication method to log in 3. Optimize historical data calendar to select data identification 4. Add iPhoneX device display compatibility

  • 1.4.10

    Optimize third-party login details

  • 1.4.11

    Optimize historical data parsing details

  • 1.4.12

    Add online customer service function

  • 1.4.2

    1. Add delete function of device details 2. Optimize the UI of the device page 3. Add feedback

  • 1.4.3

    Modify CCA test result status incorrect details

  • 1.4.4

    Optimize test data status values

  • 1.4.5

    1,Modify the problem of incorrect battery test data status 2,Add account logout function

  • 1.4.6

    Individual data may be lost when modifying historical data

  • 1.4.7

    Modify the problem that viewing the calendar may crash when there is no device

  • 1.4.8

    The problem that the barcode cannot be scanned after modification

  • 1.4.9

    1. Simplify the registration process for new users 2. Simplify the process of adding equipment

  • 1.5.0

    1,Add spanish language support 2,Add change language function in the application

  • 1.5.1

    The issue of modifying the historical data voltage display value to be possibly 0.0V

  • 1.6.0

    Add support for new device programs Optimize historical data curve details

  • 1.6.1

    Modify details

  • 1.6.2

    Several known issues have been fixed.

  • 1.6.3

    Several known issues have been fixed.

  • 1.6.4 · 30 Mar 2026

    1. New support for iOS 26 has been added.

Alternatives

Availability by market

Data quality & evidence

Page completeness
Live store listing
Last verified
6 Aug 2026
Sources
App Store

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