# Kaer Tracker vs HSE ARM

Kaer Tracker and HSE ARM 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.

Kaer Tracker ships an update every 6 weeks, HSE ARM every 2 months. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Kaer Tracker | HSE ARM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 10 MB | 76 MB |
| Requires iOS | 14.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shandong Kaer Electric Co.,Ltd](https://appshunter.io/developer/1682003824) | [Umbrella (Shenzhen) Intelligent Technology Co., Ltd](https://appshunter.io/developer/1749467709) |

## What reviewers say

### Kaer Tracker

[App page](https://appshunter.io/ios/app/kaer-tracker/id6478473780)

**Features:** macOS Compatibility

**In-app purchases:** none


### HSE ARM

[App page](https://appshunter.io/ios/app/hse-arm/id6503601206)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kaer Tracker free?

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

### Is HSE ARM free?

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

### Do Kaer Tracker or HSE ARM have ads?

Neither Kaer Tracker nor HSE ARM shows ads.

### Which is updated more often, Kaer Tracker or HSE ARM?

Kaer Tracker ships an update every 6 weeks, and HSE ARM every 2 months. Most recently, Kaer Tracker was updated on September 9, 2026 and HSE ARM on September 19, 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.*