# Battery Master 12V vs Kbattery

The clearest difference is rating: Battery Master 12V at 3.4 against Kbattery's 3.0. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Battery Master 12V holds the better App Store score, 3.4 against 3.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Battery Master 12V ships an update every 6 weeks, Kbattery monthly. The most recent releases landed on October 17, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Battery Master 12V | Kbattery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (5 ratings)](https://appshunter.io/ios/app/battery-master-12v/id1480710112/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/kbattery/id1587655995/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 39 MB | 9 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [祖策 谢](https://appshunter.io/developer/983519195) |

## What reviewers say

### Battery Master 12V

[App page](https://appshunter.io/ios/app/battery-master-12v/id1480710112)

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.

**Highlights:** Lead-acid battery detection, Test battery CCA and health, Calculate available use life, Test cranking system, Test charging system, Share and print test results

**Features:** macOS Compatibility

**In-app purchases:** none


### Kbattery

[App page](https://appshunter.io/ios/app/kbattery/id1587655995)

This app connects to a diagnostic instrument to accurately measure battery health for vehicles. It tests startup and charging systems, monitors voltage, and provides early warnings for car maintenance. Supports various battery types and international standards.

**Highlights:** Advanced conductivity testing, Vehicle battery health measurement, Startup and charging system tests, Real-time voltage monitoring, Supports multiple battery types, International battery standard compatibility, One-click test report generation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Battery Master 12V free?

Battery Master 12V is free to download, with no in-app purchases.

### Is Kbattery free?

Kbattery is free to download, with no in-app purchases.

### Which has better reviews, Battery Master 12V or Kbattery?

Battery Master 12V is rated higher. Battery Master 12V averages 3.4 out of 5 from 5 ratings, while Kbattery averages 3.0 from 4 ratings.

### Do Battery Master 12V or Kbattery have ads?

Neither Battery Master 12V nor Kbattery shows ads.

### Which is updated more often, Battery Master 12V or Kbattery?

Battery Master 12V ships an update every 6 weeks, and Kbattery monthly. Most recently, Battery Master 12V was updated on October 17, 2026 and Kbattery on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*