# ProximiKey vs Hydraloop

The clearest difference is update cadence: Hydraloop at monthly against ProximiKey's every 13 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.

ProximiKey ships an update every 13 months, Hydraloop monthly. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ProximiKey | Hydraloop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Size | 18 MB | 25 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ProximiKey Aps](https://appshunter.io/developer/1679585132) | [Hydraloop Systems bv](https://appshunter.io/developer/1573781630) |

## What reviewers say

### ProximiKey

[App page](https://appshunter.io/ios/app/proximikey/id1602133200)

**Features:** Vision Pro support

**In-app purchases:** none


### Hydraloop

[App page](https://appshunter.io/ios/app/hydraloop/id6547861890)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ProximiKey free?

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

### Is Hydraloop free?

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

### Do ProximiKey or Hydraloop have ads?

Neither ProximiKey nor Hydraloop shows ads.

### Which is updated more often, ProximiKey or Hydraloop?

ProximiKey ships an update every 13 months, and Hydraloop monthly. Most recently, ProximiKey was updated on October 7, 2026 and Hydraloop on October 15, 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.*