# Guardhat vs RK Link Ver.2.0

The clearest difference is update cadence: RK Link Ver.2.0 at daily against Guardhat's every 2 months. 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.

Guardhat ships an update every 2 months, RK Link Ver.2.0 daily. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Guardhat | RK Link Ver.2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/guardhat/id1615000582/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 33 MB | 49 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guardhat Inc.](https://appshunter.io/developer/1615000584) | [理研計器株式会社](https://appshunter.io/developer/1422964819) |

## What reviewers say

### Guardhat

[App page](https://appshunter.io/ios/app/guardhat/id1615000582)

This app transforms your phone into a safety and collaboration tool for industrial environments. It offers features like SOS alerts, fall detection, and secure communication to enhance worker safety and efficiency.

**Highlights:** SOS and worker-down alerts, Fall detection, Proximity and geofence violation alerts, Audio-visual calling and PTT, Lone worker check-ins, Gas detection monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### RK Link Ver.2.0

[App page](https://appshunter.io/ios/app/rk-link-ver20/id6737680517)

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

**In-app purchases:** none


## Frequently asked questions

### Is Guardhat free?

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

### Is RK Link Ver.2.0 free?

RK Link Ver.2.0 is free to download, with no in-app purchases.

### Do Guardhat or RK Link Ver.2.0 have ads?

Neither Guardhat nor RK Link Ver.2.0 shows ads.

### Which is updated more often, Guardhat or RK Link Ver.2.0?

Guardhat ships an update every 2 months, and RK Link Ver.2.0 daily. Most recently, Guardhat was updated on November 3, 2026 and RK Link Ver.2.0 on November 4, 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.*