# Clamshell vs Extender

The clearest difference is in-app purchases: Clamshell at none against Extender's 2. Clamshell also leads on update cadence (every 6 weeks vs every 8 months). Extender's advantage is iOS requirement (15.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. Extender sells 2 in-app purchases, starting at $14.99 per month. Clamshell asks for nothing beyond the download.

Clamshell ships an update every 6 weeks, Extender every 8 months. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Clamshell | Extender |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clamshell/id6477896729/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 8 MB | 42 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Kovrazhkin](https://appshunter.io/developer/1544108014) | [ygal brami](https://appshunter.io/developer/1690431302) |

## What reviewers say

### Clamshell

[App page](https://appshunter.io/ios/app/clamshell/id6477896729)

Monitor the status of all your Macs from your iPhone or iPad. This app allows you to track lid and system states remotely, ensuring you're always informed about your devices. It utilizes iCloud for secure data synchronization without third-party servers.

**Highlights:** Monitor Mac lid states, Track system statuses (Awake, Sleep, etc.), Remote monitoring from iPhone/iPad, iCloud synchronization, Supports Mac desktops

**In-app purchases:** none


### Extender

[App page](https://appshunter.io/ios/app/extender/id6745106031)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all ads for a month | $14.99 | per month |
| remove all ads for a year | $119.99 | per year |


## Frequently asked questions

### Is Clamshell free?

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

### Is Extender free?

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

### Do Clamshell or Extender have ads?

Neither Clamshell nor Extender shows ads.

### Which is updated more often, Clamshell or Extender?

Clamshell ships an update every 6 weeks, and Extender every 8 months. Most recently, Clamshell was updated on October 8, 2026 and Extender on October 12, 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.*