# Pubky Ring vs iodyne

The clearest difference is ratings volume: Pubky Ring at 3 against iodyne's 1. Pubky Ring also leads on iOS requirement (15.1 vs 17.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Pubky Ring against 5.0 for iodyne. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on August 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Pubky Ring | iodyne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/pubky-ring/id6739356756/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/iodyne/id6740823814/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 50 MB | 50 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Synonym Software Ltd](https://appshunter.io/developer/1634634090) | [iodyne, LLC](https://appshunter.io/developer/1791786091) |

## What reviewers say

### Pubky Ring

[App page](https://appshunter.io/ios/app/pubky-ring/id6739356756)

Securely manage your public keys for decentralized applications. Authorize or revoke access, organize keys across devices, and control active sessions. Maintain self-custody of your identity without accounts or tracking.

**Highlights:** Securely manage public keys, Authorize/revoke service access, Organize and sync keys, View and control active sessions, Self-custodial identity

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

**In-app purchases:** none


### iodyne

[App page](https://appshunter.io/ios/app/iodyne/id6740823814)

Manage and monitor your storage devices with this utility app. Unlock iodyne drives using passkeys and scan NFC tags for other devices. Track file transfers and view workflow metadata in real-time.

**Highlights:** Unlock iodyne drives with passkeys, Scan NFC tags for non-iodyne drives, View device provisioning metadata, Monitor file transfers in real-time, Manage workflow metadata

**In-app purchases:** none


## Frequently asked questions

### Is Pubky Ring free?

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

### Is iodyne free?

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

### Which has better reviews, Pubky Ring or iodyne?

Pubky Ring and iodyne are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Pubky Ring or iodyne have ads?

Neither Pubky Ring nor iodyne shows ads.

### Which is updated more often, Pubky Ring or iodyne?

Pubky Ring ships an update every 3 weeks, and iodyne every 3 weeks. Most recently, Pubky Ring was updated on August 18, 2026 and iodyne on September 10, 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.*