# Cognitive Physics vs Hermex

The clearest difference is ratings volume: Hermex at 197 against Cognitive Physics's 2. Hermex also leads on update cadence (every 2 weeks vs monthly) and chart position (#25 vs unranked). Cognitive Physics's advantage is rating (5.0 vs 4.8). 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 4.8. That said, the two scores are not equally well evidenced: Hermex has 197 ratings behind it against 2, so its average is the more settled of the two.

Cognitive Physics ships an update monthly, Hermex every 2 weeks. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Cognitive Physics | Hermex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cognitive-physics/id6758934425/reviews)** | [4.8 (197 ratings)](https://appshunter.io/ios/app/hermex/id6767006319/reviews) |
| Number of ratings | 2 | **197** |
| Positive reviews | — | 84.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#25** |
| Size | 142 MB | 79 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Joel Pena Munoz](https://appshunter.io/developer/1830887193) | [Uzair Ansar](https://appshunter.io/developer/1896345663) |

## 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


### Hermex

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

**Currently charting:** #25 Top Free · Developer Tools (US App Store)

This client app connects to your self-hosted AI agent, allowing you to manage conversations, review edits, and interact with tools directly from your iPhone or iPad. It offers features like live activities for ongoing tasks and a share extension for easy content staging.

**Highlights:** Connect to self-hosted AI agents, Manage conversations and streamed responses, Review file edits as diffs, Send photos and files, Switch between Bots and Sessions, Live Activities on Lock Screen/Dynamic Island, Share extension for content staging

**Features:** 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 Hermex free?

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

### Which has better reviews, Cognitive Physics or Hermex?

Cognitive Physics is rated higher. Cognitive Physics averages 5.0 out of 5 from 2 ratings, while Hermex averages 4.8 from 197 ratings.

### Do Cognitive Physics or Hermex have ads?

Neither Cognitive Physics nor Hermex shows ads.

### Which is updated more often, Cognitive Physics or Hermex?

Cognitive Physics ships an update monthly, and Hermex every 2 weeks. Most recently, Cognitive Physics was updated on October 31, 2026 and Hermex on November 1, 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.*