# Attach vs Cowboy for Herdr

The clearest difference is price: Cowboy for Herdr at Free against Attach's $4.99. Cowboy for Herdr also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.0 vs 18.0). Attach's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Cowboy for Herdr is free to download; Attach costs $4.99 up front. Cowboy for Herdr sells 2 one-off in-app purchases. Attach asks for nothing beyond the download.

Attach ships an update every 2 weeks, Cowboy for Herdr every 4 days. The most recent releases landed on November 9, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Attach | Cowboy for Herdr |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Paid | — |
| Size | 40 MB | 20 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ARBITER TECHNOLOGIES](https://appshunter.io/developer/1882301384) | [Carl Erik Stromberg](https://appshunter.io/developer/6795656498) |

## What reviewers say

### Attach

[App page](https://appshunter.io/ios/app/attach-ssh-and-native-tmux/id6760011289)

A native iOS client for managing tmux sessions, designed for developers working with AI coding agents on remote machines. It offers a visual interface to browse, switch, and inspect terminal sessions, windows, and panes.

**Highlights:** Native tmux session management, Visual pane layouts, Smart keyboard with pinned modifiers, Hardware keyboard support, Secure SSH key storage, Background connection notifications, Auto-reconnect functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Cowboy for Herdr

[App page](https://appshunter.io/ios/app/cowboy-for-herdr/id6811943070)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day Trial | Free | one-time |
| Unlock Cowboy | $9.99 | one-time |


## Frequently asked questions

### Is Attach free?

Attach costs $4.99, with no in-app purchases.

### Is Cowboy for Herdr free?

Cowboy for Herdr is free to download, with in-app purchases available.

### Do Attach or Cowboy for Herdr have ads?

Neither Attach nor Cowboy for Herdr shows ads.

### Which is updated more often, Attach or Cowboy for Herdr?

Attach ships an update every 2 weeks, and Cowboy for Herdr every 4 days. Most recently, Attach was updated on November 9, 2026 and Cowboy for Herdr on November 8, 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.*