# PROXIMITY® vs 16 Relay Controller

The clearest difference is in-app purchases: 16 Relay Controller at none against PROXIMITY®'s 2. PROXIMITY®'s advantage is update cadence (every 4 weeks vs every 34 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PROXIMITY® sells 2 in-app purchases, starting at $2.99 per month. 16 Relay Controller asks for nothing beyond the download.

PROXIMITY® ships an update every 4 weeks, 16 Relay Controller every 34 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PROXIMITY® | 16 Relay Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (40 ratings)](https://appshunter.io/ios/app/proximity/id1438533692/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 34 months |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 0 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PIV Security LLC](https://appshunter.io/developer/1309618168) | [Mike Henry](https://appshunter.io/developer/1219782847) |

## What reviewers say

### PROXIMITY®

[App page](https://appshunter.io/ios/app/proximity/id1438533692)

This app securely stores and manages your passwords and authenticator codes using zero-knowledge encryption. It offers a unique peer-to-peer recovery system, eliminating the need for master passwords or recovery keys. Securely share sensitive information with trusted contacts.

**Highlights:** Zero-knowledge password management, Peer Identity Verification recovery, Built-in TOTP authenticator, Secure password generation, AutoFill and browser extensions, Secure data sharing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per month |
| Premium Annual | $24.99 | per year |


### 16 Relay Controller

[App page](https://appshunter.io/ios/app/16-relay-controller/id1541478119)

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

**In-app purchases:** none


## Frequently asked questions

### Is PROXIMITY® free?

PROXIMITY® is free to download, with in-app purchases available.

### Is 16 Relay Controller free?

16 Relay Controller is free to download, with no in-app purchases.

### Do PROXIMITY® or 16 Relay Controller have ads?

Neither PROXIMITY® nor 16 Relay Controller shows ads.

### Which is updated more often, PROXIMITY® or 16 Relay Controller?

PROXIMITY® ships an update every 4 weeks, and 16 Relay Controller every 34 months. Most recently, PROXIMITY® was updated on October 5, 2026 and 16 Relay Controller on October 6, 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.*