# Battery Fixit vs Battery Master 12V

The clearest difference is rating: Battery Master 12V at 3.4 against Battery Fixit's 2.4. Battery Master 12V also leads on in-app purchases (none vs 1) and ads (none vs shown). Battery Fixit's advantage is iOS requirement (12.0 vs 15.6). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Battery Fixit sells 1 one-off in-app purchase. Battery Master 12V asks for nothing beyond the download.

Battery Master 12V holds the better App Store score, 3.4 against 2.4. Both are backed by a comparable volume of ratings — 7 and 5 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Battery Fixit ships an update every 40 months, Battery Master 12V every 6 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Battery Fixit | Battery Master 12V |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (7 ratings)](https://appshunter.io/ios/app/battery-fixit/id1448671456/reviews) | **[3.4 (5 ratings)](https://appshunter.io/ios/app/battery-master-12v/id1480710112/reviews)** |
| Number of ratings | **7** | 5 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 40 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 39 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neelkanth Krishnamurthy](https://appshunter.io/developer/1447866425) | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) |

## What reviewers say

### Battery Fixit

[App page](https://appshunter.io/ios/app/battery-fixit/id1448671456)

This app provides detailed insights into your device's battery status, including accurate percentage, estimated remaining usage time for various activities, and charging information. It offers visually appealing graphs and system statistics to help you understand your device's operational conditions.

**Highlights:** Accurate battery percentage, Available time estimation, Charging status monitoring, Variety of graph visualizations, System information display, Usage time for specific activities

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Battery Graphs | $2.99 | one-time |


### 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


## Frequently asked questions

### Is Battery Fixit free?

Battery Fixit is free to download, with in-app purchases available.

### Is Battery Master 12V free?

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

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

Battery Master 12V is rated higher. Battery Fixit averages 2.4 out of 5 from 7 ratings, while Battery Master 12V averages 3.4 from 5 ratings.

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

Battery Fixit shows ads; Battery Master 12V does not.

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

Battery Fixit ships an update every 40 months, and Battery Master 12V every 6 weeks. Most recently, Battery Fixit was updated on October 24, 2026 and Battery Master 12V on October 17, 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.*