# Codex AI vs EGK Quantum

Codex AI and EGK Quantum are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Codex AI sells 12 in-app purchases, starting at $4.99 per 7 days and EGK Quantum sells 1 in-app purchase, starting at $89.99 per month. Whichever you choose, the download price is not the number that matters.

Codex AI ships an update weekly, EGK Quantum every 10 days. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Codex AI | EGK Quantum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (91 ratings)](https://appshunter.io/ios/app/codex-ai-remote-codex/id6784248620/reviews)** | — |
| Number of ratings | **91** | — |
| Positive reviews | 80.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Freemium | — |
| Size | 42 MB | 14 MB |
| Requires iOS | **17** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Vedat TANONUT](https://appshunter.io/developer/1864159536) | [Isaac Eng Gian Khor](https://appshunter.io/developer/1808933315) |

## What reviewers say

### Codex AI

[App page](https://appshunter.io/ios/app/codex-ai-remote-codex/id6784248620)

This AI-powered assistant helps you plan, organize, write, and analyze tasks efficiently. It offers features like coding assistance, smart Q&A, project management, and file summarization to streamline your workflow.

**Highlights:** AI Coding Assistance, Smart Q&A, Project Organization, File Reading & Summaries, Web Search Support, Schedule & Reminder Creation, Task & Note Generation

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium | $4.99 | per 7 days |
| Forge Pro | $6.99 | per 7 days |
| premium | $9.99 | per 7 days |
| premium | $14.99 | per month |
| premium | $29.99 | per month |
| Forge Pro | $49.99 | per year |
| premium | $59.99 | per year |
| Tokens | $9.99 | one-time |
| Tokens | $19.99 | one-time |
| Tokens | $34.99 | one-time |
| Tokens | $59.99 | one-time |
| Tokens | $99.99 | one-time |


### EGK Quantum

[App page](https://appshunter.io/ios/app/egk-quantum/id6797369444)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quantum Pro Monthly | $89.99 | per month |


## Frequently asked questions

### Is Codex AI free?

Codex AI is free to download, with in-app purchases available.

### Is EGK Quantum free?

EGK Quantum is free to download, with in-app purchases available.

### Do Codex AI or EGK Quantum have ads?

Neither Codex AI nor EGK Quantum shows ads.

### Which is updated more often, Codex AI or EGK Quantum?

Codex AI ships an update weekly, and EGK Quantum every 10 days. Most recently, Codex AI was updated on October 14, 2026 and EGK Quantum on October 16, 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.*