# BattSentry vs Amptron Link

The clearest difference is update cadence: Amptron Link at daily against BattSentry's every 2 weeks. Amptron Link also leads on iOS requirement (12.0 vs 16). On price, ads, 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.

BattSentry ships an update every 2 weeks, Amptron Link daily. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | BattSentry | Amptron Link |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 14 MB | 36 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangdong Greenway Technology Co.,LTD](https://appshunter.io/developer/1802601217) | [The Trustee for Amptron Unit](https://appshunter.io/developer/1656952344) |

## What reviewers say

### BattSentry

[App page](https://appshunter.io/ios/app/battsentry/id6748437418)

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

**In-app purchases:** none


### Amptron Link

[App page](https://appshunter.io/ios/app/amptron-link/id6758138758)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BattSentry free?

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

### Is Amptron Link free?

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

### Do BattSentry or Amptron Link have ads?

Neither BattSentry nor Amptron Link shows ads.

### Which is updated more often, BattSentry or Amptron Link?

BattSentry ships an update every 2 weeks, and Amptron Link daily. Most recently, BattSentry was updated on September 30, 2026 and Amptron Link on September 28, 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.*