# Mobile IDE for Codex AI GPT vs KeyNest

The clearest difference is update cadence: KeyNest at fortnightly against Mobile IDE for Codex AI GPT's every 5 weeks. Mobile IDE for Codex AI GPT's advantage is chart position (#174 vs 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 KeyNest sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mobile IDE for Codex AI GPT ships an update every 5 weeks, KeyNest fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Mobile IDE for Codex AI GPT | KeyNest |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Freemium | — |
| Best chart rank | **#174** | — |
| Size | 42 MB | 5 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) | [晨阳 段](https://appshunter.io/developer/1791560858) |

## 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:** #174 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 |


### KeyNest

[App page](https://appshunter.io/ios/app/keynest-ai-api-key-manager/id6779501183)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KeyNest Pro | $1.99 | 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 KeyNest free?

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

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

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

### Which is updated more often, Mobile IDE for Codex AI GPT or KeyNest?

Mobile IDE for Codex AI GPT ships an update every 5 weeks, and KeyNest fortnightly. Most recently, Mobile IDE for Codex AI GPT was updated on October 31, 2026 and KeyNest on October 31, 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.*