# PROTON Link vs HCMS

The clearest difference is update cadence: PROTON Link at every 4 months against HCMS's every 19 months. PROTON Link also leads on iOS requirement (12.0 vs 15.6). 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.

PROTON Link ships an update every 4 months, HCMS every 19 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PROTON Link | HCMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/proton-link/id1441630661/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 19 months |
| Monetization | Free | — |
| Size | 145 MB | 70 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Proton Holdings Berhad](https://appshunter.io/developer/1123555061) | [Serunai Commerce Sdn Bhd](https://appshunter.io/developer/1256351296) |

## What reviewers say

### PROTON Link

[App page](https://appshunter.io/ios/app/proton-link/id1441630661)

Manage your Proton vehicle remotely, from starting the engine and locking doors to checking fuel levels and scheduling service appointments. Stay connected with the Proton community and access digital manuals and news.

**Highlights:** Remote engine start/stop, Lock/unlock doors, Vehicle status monitoring, Service appointment booking, Real-time vehicle location, Community news and engagement

**Features:** macOS Compatibility

**In-app purchases:** none


### HCMS

[App page](https://appshunter.io/ios/app/hcms/id1638848652)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PROTON Link free?

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

### Is HCMS free?

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

### Do PROTON Link or HCMS have ads?

Neither PROTON Link nor HCMS shows ads.

### Which is updated more often, PROTON Link or HCMS?

PROTON Link ships an update every 4 months, and HCMS every 19 months. Most recently, PROTON Link was updated on November 2, 2026 and HCMS on November 3, 2026.

---

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