# Codex Relay vs Hermex

The clearest difference is rating: Hermex at 4.6 against Codex Relay's 4.2. Hermex also leads on review sentiment (85% vs 71%). Codex Relay's advantage is iOS requirement (16.4 vs 18.0). On price, ratings volume, 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.

Hermex holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 54 and 97 respectively. Written reviews point the same way: 71% of Codex Relay's written reviews are positive against 85% of Hermex's.

Codex Relay ships an update fortnightly, Hermex every 3 weeks. The most recent releases landed on September 25, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Codex Relay | Hermex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (54 ratings)](https://appshunter.io/ios/app/codex-relay-remote-codex-app/id6764463488/reviews) | **[4.6 (97 ratings)](https://appshunter.io/ios/app/hermex/id6767006319/reviews)** |
| Number of ratings | 54 | **97** |
| Positive reviews | 70.6% of reviews | **84.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | Free |
| Best chart rank | #90 | **#31** |
| Size | 111 MB | 68 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Kang Sungyu](https://appshunter.io/developer/1895791948) | [Uzair Ansar](https://appshunter.io/developer/1896345663) |

## What reviewers say

### Codex Relay

[App page](https://appshunter.io/ios/app/codex-relay-remote-codex-app/id6764463488)

**Currently charting:** #90 Top Free · Developer Tools (US App Store)

Manage your Codex workflow remotely from your phone. Track active threads, send prompts, review output, and respond to requests. Designed for developers to stay connected to their work without being at their desk.

**Highlights:** Follow Codex conversations remotely, Send prompts and follow-up instructions, Respond to approval and input requests, Attach images for context, Review workspace and thread activity, Manage relay server state, Check usage statistics

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

**In-app purchases:** none


### Hermex

[App page](https://appshunter.io/ios/app/hermex/id6767006319)

**Currently charting:** #31 Top Free · Developer Tools (US App Store)

This app provides a native mobile interface for interacting with your self-hosted Hermes Agent server. It allows you to manage conversations, control agent settings, and access workspace files directly from your iPhone.

**Highlights:** Connect to your own Hermes server, Manage existing and start new conversations, Control models, profiles, and reasoning, Attach files and photos, Browse workspace files, Offline read-only viewing of recent sessions

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Codex Relay free?

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

### Is Hermex free?

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

### Which has better reviews, Codex Relay or Hermex?

Hermex is rated higher. Codex Relay averages 4.2 out of 5 from 54 ratings, while Hermex averages 4.6 from 97 ratings.

### Do Codex Relay or Hermex have ads?

Neither Codex Relay nor Hermex shows ads.

### Which is updated more often, Codex Relay or Hermex?

Codex Relay ships an update fortnightly, and Hermex every 3 weeks. Most recently, Codex Relay was updated on September 25, 2026 and Hermex on September 27, 2026.

### Which is more popular, Codex Relay or Hermex?

Codex Relay currently peaks at #90 in the App Store charts, and Hermex at #31. Chart position reflects recent download velocity rather than total install base.

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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.*