# shellin vs OpenCodeM

The clearest difference is price: shellin at Free against OpenCodeM's $0.99. OpenCodeM's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

shellin is free to download; OpenCodeM costs $0.99 up front. shellin sells 2 in-app purchases, starting at $0.99 per 7 days. OpenCodeM asks for nothing beyond the download.

shellin ships an update every 10 days, OpenCodeM weekly. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | shellin | OpenCodeM |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shellin/id6760250186/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Subscription | **Paid** |
| Size | 14 MB | 6 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Joonhyung Cho](https://appshunter.io/developer/1883466334) | [CometDust Technology (Guangzhou) Co., Ltd](https://appshunter.io/developer/1763733479) |

## What reviewers say

### shellin

[App page](https://appshunter.io/ios/app/shellin/id6760250186)

Access and control your Mac terminal from your iPhone or iPad. Monitor AI coding agents, run commands, and stay connected to your workflow remotely via an encrypted peer-to-peer connection.

**Highlights:** View Mac terminal live on iPhone/iPad, Monitor AI coding agents remotely, Real-time interaction with keyboard input, Connect without SSH setup, End-to-end encrypted peer-to-peer session

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shellin Lite | $0.99 | per 7 days |
| Shellin Pro | $8.99 | per month |


### OpenCodeM

[App page](https://appshunter.io/ios/app/opencodem/id6764783164)

This app provides a native mobile interface to manage and monitor your remote AI coding agent instances. Stay updated on task completion and session status from anywhere, without needing to keep a terminal open.

**Highlights:** Instance management for multiple connections, Built-in WebView terminal, Live Activity and Dynamic Island support, Background notifications for task completion, Real-time session status monitoring, iCloud sync for instances and credentials, Home screen widget for at-a-glance status

**In-app purchases:** none


## Frequently asked questions

### Is shellin free?

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

### Is OpenCodeM free?

OpenCodeM costs $0.99, with no in-app purchases.

### Do shellin or OpenCodeM have ads?

Neither shellin nor OpenCodeM shows ads.

### Which is updated more often, shellin or OpenCodeM?

shellin ships an update every 10 days, and OpenCodeM weekly. Most recently, shellin was updated on October 8, 2026 and OpenCodeM on September 30, 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.*