# Cortex Relay vs Simple JavaScript

The clearest difference is in-app purchases: Cortex Relay at none against Simple JavaScript's 2. Simple JavaScript's advantage is update cadence (monthly vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Simple JavaScript sells 2 in-app purchases, starting at $1.99 per month. Cortex Relay asks for nothing beyond the download.

Cortex Relay ships an update every 2 months, Simple JavaScript monthly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Cortex Relay | Simple JavaScript |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/cortex-relay-ai-terminal/id6760609626/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 14 MB | 54 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Mikheev](https://appshunter.io/developer/1877966538) | [YUKI TANAIKE](https://appshunter.io/developer/478558546) |

## What reviewers say

### Cortex Relay

[App page](https://appshunter.io/ios/app/cortex-relay-ai-terminal/id6760609626)

Access powerful AI agents like Claude Code from your iPhone via a chat interface or a full SSH terminal. Features include on-device voice input, persistent sessions, and secure credential management. Customize your terminal experience with various themes and font sizes.

**Highlights:** AI agent chat interface, Full SSH terminal access, On-device voice input, Persistent tmux sessions, Secure SSH key management, Customizable terminal themes

**In-app purchases:** none


### Simple JavaScript

[App page](https://appshunter.io/ios/app/simple-javascript/id6782952012)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple JavaScript Pro (Monthly) | $1.99 | per month |
| Simple JavaScript Pro (Annual) | $18.00 | per year |


## Frequently asked questions

### Is Cortex Relay free?

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

### Is Simple JavaScript free?

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

### Do Cortex Relay or Simple JavaScript have ads?

Neither Cortex Relay nor Simple JavaScript shows ads.

### Which is updated more often, Cortex Relay or Simple JavaScript?

Cortex Relay ships an update every 2 months, and Simple JavaScript monthly. Most recently, Cortex Relay was updated on September 18, 2026 and Simple JavaScript on September 21, 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.*