# Cognitive Physics vs Codex Relay

The clearest difference is rating: Cognitive Physics at 5.0 against Codex Relay's 4.2. Codex Relay's advantage is update cadence (every 9 days vs monthly) and ratings volume (56 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Cognitive Physics holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Codex Relay has 56 ratings behind it against 2, so its average is the more settled of the two.

Cognitive Physics ships an update monthly, Codex Relay every 9 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Cognitive Physics | Codex Relay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cognitive-physics/id6758934425/reviews)** | [4.2 (56 ratings)](https://appshunter.io/ios/app/codex-relay-remote-codex-app/id6764463488/reviews) |
| Number of ratings | 2 | **56** |
| Positive reviews | — | 63.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | Free |
| Best chart rank | — | **#85** |
| Size | 142 MB | 118 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Joel Pena Munoz](https://appshunter.io/developer/1830887193) | [Kang Sungyu](https://appshunter.io/developer/1895791948) |

## What reviewers say

### Cognitive Physics

[App page](https://appshunter.io/ios/app/cognitive-physics/id6758934425)

This app transforms your device into a truth-seeking instrument by training a personal AI to research alongside you. It guides you to ask better questions, verify claims, and build a permanent knowledge base from your imported materials. Designed for serious workflows, it focuses on observable learning processes rather than just providing answers.

**Highlights:** Train your own AI from scratch, Research like a scientist, Ask questions with citations, Build a permanent knowledge base, Multi-agent intelligence, Automatic paper generation

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

**In-app purchases:** none


### Codex Relay

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

**Currently charting:** #85 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


## Frequently asked questions

### Is Cognitive Physics free?

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

### Is Codex Relay free?

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

### Which has better reviews, Cognitive Physics or Codex Relay?

Cognitive Physics is rated higher. Cognitive Physics averages 5.0 out of 5 from 2 ratings, while Codex Relay averages 4.2 from 56 ratings.

### Do Cognitive Physics or Codex Relay have ads?

Neither Cognitive Physics nor Codex Relay shows ads.

### Which is updated more often, Cognitive Physics or Codex Relay?

Cognitive Physics ships an update monthly, and Codex Relay every 9 days. Most recently, Cognitive Physics was updated on October 13, 2026 and Codex Relay on October 12, 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.*