# Ttapp vs shellin

The clearest difference is update cadence: Ttapp at every 3 days against shellin's every 10 days. Ttapp also leads on iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ttapp sells 1 in-app purchase, starting at $2.99 per month and shellin sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Ttapp ships an update every 3 days, shellin every 10 days. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ttapp | shellin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shellin/id6760250186/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | — | Subscription |
| Size | 116 MB | 14 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [myoeng yoep song](https://appshunter.io/developer/1830712070) | [Joonhyung Cho](https://appshunter.io/developer/1883466334) |

## What reviewers say

### Ttapp

[App page](https://appshunter.io/ios/app/ttapp-remote/id6759002810)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ttapp Premium | $2.99 | per month |


### 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 |


## Frequently asked questions

### Is Ttapp free?

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

### Is shellin free?

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

### Do Ttapp or shellin have ads?

Neither Ttapp nor shellin shows ads.

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

Ttapp ships an update every 3 days, and shellin every 10 days. Most recently, Ttapp was updated on October 3, 2026 and shellin on October 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.*