# Battery Asst vs Smart Battery 24V

The clearest difference is rating: Battery Asst at 4.0 against Smart Battery 24V's 2.0. Battery Asst also leads on review sentiment (20% vs 0%) and ratings volume (8 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Battery Asst holds the better App Store score, 4.0 against 2.0. That said, the two scores are not equally well evidenced: Battery Asst has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of Battery Asst's written reviews are positive against 0% of Smart Battery 24V's.

Battery Asst ships an update monthly, Smart Battery 24V every 5 weeks. The most recent releases landed on October 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Battery Asst | Smart Battery 24V |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/battery-asst/id1601588941/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/smart-battery-24v/id6449736747/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | **20.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 23 MB | 68 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [婷 赵](https://appshunter.io/developer/1455495649) | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) |

## What reviewers say

### Battery Asst

[App page](https://appshunter.io/ios/app/battery-asst/id1601588941)

Monitor your car battery's voltage in real time. This practical app displays the starting and charging system voltages, providing a comprehensive understanding of your car battery's condition directly on your mobile device via Bluetooth.

**Highlights:** Real-time car battery voltage display, Monitor starting system voltage, Monitor charging system voltage, Bluetooth data transmission, All-round battery condition understanding

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Battery 24V

[App page](https://appshunter.io/ios/app/smart-battery-24v/id6449736747)

Monitor the voltage of up to four 6V, 12V, or 24V batteries simultaneously. Test startup and charging systems, and accurately record vehicle start and stop times. View all data on your phone via Bluetooth for easy vehicle battery management.

**Highlights:** Monitor 6V, 12V, 24V batteries, Simultaneous monitoring of four batteries, Test startup and charging system voltage, Record vehicle start/stop times, Bluetooth data display, Vehicle battery power management

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Battery Asst free?

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

### Is Smart Battery 24V free?

Smart Battery 24V is free to download, with no in-app purchases.

### Which has better reviews, Battery Asst or Smart Battery 24V?

Battery Asst is rated higher. Battery Asst averages 4.0 out of 5 from 8 ratings, while Smart Battery 24V averages 2.0 from 1 ratings.

### Do Battery Asst or Smart Battery 24V have ads?

Neither Battery Asst nor Smart Battery 24V shows ads.

### Which is updated more often, Battery Asst or Smart Battery 24V?

Battery Asst ships an update monthly, and Smart Battery 24V every 5 weeks. Most recently, Battery Asst was updated on October 30, 2026 and Smart Battery 24V on September 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.*