# Mobile IDE for Codex AI GPT vs Twain

The clearest difference is chart position: Mobile IDE for Codex AI GPT at #141 against Twain's unranked. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mobile IDE for Codex AI GPT sells 2 in-app purchases, starting at $14.99 per month and Twain sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Mobile IDE for Codex AI GPT | Twain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mobile-ide-for-codex-ai-gpt/id6761128531/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Freemium | — |
| Best chart rank | **#141** | — |
| Size | 42 MB | 17 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Uladzsislau Luchkouski](https://appshunter.io/developer/1821242450) | [PIXELITE, SL](https://appshunter.io/developer/6777064189) |

## What reviewers say

### Mobile IDE for Codex AI GPT

[App page](https://appshunter.io/ios/app/mobile-ide-for-codex-ai-gpt/id6761128531)

**Currently charting:** #141 Top Grossing · Developer Tools (US App Store)

This app provides a mobile interface for a desktop AI coding environment, allowing developers to edit code, run commands, manage Git, and interact with AI assistants from their iPhone. It enables productive use of idle moments by offering real-time access to projects and a built-in terminal.

**Highlights:** Real-time desktop bridge, Built-in terminal, Full Git support, Code editor with syntax highlighting, File explorer, Multiple AI agents, Hands-free voice input

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Codex Premium Monthly | $14.99 | per month |
| Codex Premium Yearly | $149.99 | per year |


### Twain

[App page](https://appshunter.io/ios/app/twain-markdown-and-mdx-editor/id6792371331)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Twain Pro | $19.00 | one-time |


## Frequently asked questions

### Is Mobile IDE for Codex AI GPT free?

Mobile IDE for Codex AI GPT is free to download, with in-app purchases available.

### Is Twain free?

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

### Do Mobile IDE for Codex AI GPT or Twain have ads?

Neither Mobile IDE for Codex AI GPT nor Twain shows ads.

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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.*