# Smart Battery 24V vs entropyseal

Smart Battery 24V and entropyseal are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Smart Battery 24V ships an update every 5 weeks, entropyseal every 3 weeks. The most recent releases landed on September 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Smart Battery 24V | entropyseal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/smart-battery-24v/id6449736747/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 68 MB | 5 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [entropylabs AG](https://appshunter.io/developer/1894057952) |

## What reviewers say

### 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


### entropyseal

[App page](https://appshunter.io/ios/app/entropyseal/id6762406065)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Battery 24V free?

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

### Is entropyseal free?

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

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

Neither Smart Battery 24V nor entropyseal shows ads.

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

Smart Battery 24V ships an update every 5 weeks, and entropyseal every 3 weeks. Most recently, Smart Battery 24V was updated on September 27, 2026 and entropyseal on October 12, 2026.

---

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