# Battery tweet vs Battery Master 12V

The clearest difference is review sentiment: Battery tweet at 50% against Battery Master 12V's 0%. Battery tweet also leads on rating (3.6 vs 3.4) and iOS requirement (9.0 vs 15.6). Battery Master 12V's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 8 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

Battery tweet holds the better App Store score, 3.6 against 3.4. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews point the same way: 50% of Battery tweet's written reviews are positive against 0% of Battery Master 12V's.

Battery tweet ships an update every 8 months, Battery Master 12V every 6 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Battery tweet | Battery Master 12V |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/battery-tweet/id408376485/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/battery-master-12v/id1480710112/reviews) |
| Number of ratings | 5 | 5 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 5 MB | 39 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RUCKYGAMES CO., LTD.](https://appshunter.io/developer/315948909) | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) |

## What reviewers say

### Battery tweet

[App page](https://appshunter.io/ios/app/battery-tweet/id408376485)

This app allows users to tweet their current battery level to Twitter. It also includes a Solitaire Klondike mini-game for entertainment.

**Highlights:** Tweet battery level, Twitter integration, Solitaire Klondike mini-game, Check battery status

**Features:** Vision Pro support

**In-app purchases:** none


### 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 tweet free?

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

### Is Battery Master 12V free?

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

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

Battery tweet is rated higher. Battery tweet averages 3.6 out of 5 from 5 ratings, while Battery Master 12V averages 3.4 from 5 ratings.

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

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

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

Battery tweet ships an update every 8 months, and Battery Master 12V every 6 weeks. Most recently, Battery tweet was updated on November 1, 2026 and Battery Master 12V on November 3, 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.*