# Battery Tracker BTR vs Smart Battery 24V

The clearest difference is rating: Battery Tracker BTR at 2.9 against Smart Battery 24V's 2.0. Battery Tracker BTR also leads on review sentiment (26% vs 0%) and ratings volume (21 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 Tracker BTR holds the better App Store score, 2.9 against 2.0. That said, the two scores are not equally well evidenced: Battery Tracker BTR has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 26% of Battery Tracker BTR's written reviews are positive against 0% of Smart Battery 24V's.

Battery Tracker BTR ships an update every 2 months, Smart Battery 24V every 5 weeks. The most recent releases landed on October 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Battery Tracker BTR | Smart Battery 24V |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (21 ratings)](https://appshunter.io/ios/app/battery-tracker-btr/id1450596783/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/smart-battery-24v/id6449736747/reviews) |
| Number of ratings | **21** | 1 |
| Positive reviews | **26.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 20 MB | 68 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Antigravity Batteries LLC](https://appshunter.io/developer/1450596782) | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) |

## What reviewers say

### Battery Tracker BTR

[App page](https://appshunter.io/ios/app/battery-tracker-btr/id1450596783)

Monitor your vehicle's battery health in real-time. This app displays live voltage readings and tests your car's cranking and charging systems. All data is accessible on your mobile device via Bluetooth connection.

**Highlights:** Real-time voltage display, Cranking system testing, Charging system testing, Bluetooth connectivity, Mobile data display

**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 Tracker BTR free?

Battery Tracker BTR 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 Tracker BTR or Smart Battery 24V?

Battery Tracker BTR is rated higher. Battery Tracker BTR averages 2.9 out of 5 from 21 ratings, while Smart Battery 24V averages 2.0 from 1 ratings.

### Do Battery Tracker BTR or Smart Battery 24V have ads?

Neither Battery Tracker BTR nor Smart Battery 24V shows ads.

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

Battery Tracker BTR ships an update every 2 months, and Smart Battery 24V every 5 weeks. Most recently, Battery Tracker BTR was updated on October 18, 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.*