# PDF Compressor vs Codex AI

The clearest difference is iOS requirement: PDF Compressor at 16.0 against Codex AI's 18. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Compressor sells 3 in-app purchases, starting at $6.99 per 7 days and Codex AI sells 10 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PDF Compressor | Codex AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (31 ratings)](https://appshunter.io/ios/app/codex-ai-remote-codex/id6781323682/reviews)** |
| Number of ratings | — | **31** |
| Positive reviews | — | 63.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 55 MB |
| Requires iOS | **16.0** | 18 |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Stellan Vane](https://appshunter.io/developer/1886632132) | [Ariadni Deligianni](https://appshunter.io/developer/6781323684) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compress-files/id6760887640)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $19.99 | per month |
| Yearly | $49.99 | per year |


### Codex AI

[App page](https://appshunter.io/ios/app/codex-ai-remote-codex/id6781323682)

This app integrates AI conversations, writing, coding assistance, and creative tools into a single workspace. It allows users to draft content, review code, generate images, and even connect to a remote computer for extended functionality. Organize your work into projects and personalize interactions with AI memory.

**Highlights:** AI chat with multiple models, Code writing and explanation, Web search and information synthesis, Image and video generation, Voice conversations, Remote computer connection, Project organization

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 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 | $19.99 | one-time |
| Tokens | $34.99 | one-time |
| Tokens | $59.99 | one-time |
| Tokens | $99.99 | one-time |


## Frequently asked questions

### Is PDF Compressor free?

PDF Compressor is free to download, with in-app purchases available.

### Is Codex AI free?

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

### Do PDF Compressor or Codex AI have ads?

Neither PDF Compressor nor Codex AI shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*