# Cortex Relay vs Prototo

The clearest difference is update cadence: Prototo at every 3 days against Cortex Relay's every 2 months. Cortex Relay's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cortex Relay ships an update every 2 months, Prototo every 3 days. The most recent releases landed on October 5, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Cortex Relay | Prototo |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 14 MB | 71 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Mikheev](https://appshunter.io/developer/1877966538) | [Sherizan Sheikh](https://appshunter.io/developer/1788789213) |

## 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


### Prototo

[App page](https://appshunter.io/ios/app/prototo/id6772877748)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cortex Relay free?

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

### Is Prototo free?

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

### Do Cortex Relay or Prototo have ads?

Neither Cortex Relay nor Prototo shows ads.

### Which is updated more often, Cortex Relay or Prototo?

Cortex Relay ships an update every 2 months, and Prototo every 3 days. Most recently, Cortex Relay was updated on October 5, 2026 and Prototo on October 22, 2026.

---

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