# Clamshell vs Active Habit Tracker

The clearest difference is device support: Clamshell at 3 against Active Habit Tracker's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Clamshell ships an update every 6 weeks, Active Habit Tracker every 2 months. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Clamshell | Active Habit Tracker |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 8 MB | 4 MB |
| Requires iOS | 18.4 | **17.6** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Kovrazhkin](https://appshunter.io/developer/1544108014) | [程 梁](https://appshunter.io/developer/1872844846) |

## 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


### Active Habit Tracker

[App page](https://appshunter.io/ios/app/active-habit-tracker/id6758425099)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clamshell free?

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

### Is Active Habit Tracker free?

Active Habit Tracker is free to download, with no in-app purchases.

### Do Clamshell or Active Habit Tracker have ads?

Neither Clamshell nor Active Habit Tracker shows ads.

### Which is updated more often, Clamshell or Active Habit Tracker?

Clamshell ships an update every 6 weeks, and Active Habit Tracker every 2 months. Most recently, Clamshell was updated on November 4, 2026 and Active Habit Tracker on November 9, 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.*