# Clamp vs 4Quadrants

The clearest difference is in-app purchases: 4Quadrants at none against Clamp's 2. Clamp's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Clamp sells 2 in-app purchases, starting at $2.99 per month. 4Quadrants asks for nothing beyond the download.

Clamp ships an update weekly, 4Quadrants every 6 days. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Clamp | 4Quadrants |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Size | 5 MB | 6 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jayeshkumar Akbari](https://appshunter.io/developer/1760800876) | [颢宸 唐](https://appshunter.io/developer/1875716414) |

## What reviewers say

### Clamp

[App page](https://appshunter.io/ios/app/clamp-screen-time-control/id6755137297)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Pro (Full Access) | $2.99 | per month |
| 1 Year Pro (Full Access) | $5.99 | per year |


### 4Quadrants

[App page](https://appshunter.io/ios/app/4quadrants/id6758995394)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clamp free?

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

### Is 4Quadrants free?

4Quadrants is free to download, with no in-app purchases.

### Do Clamp or 4Quadrants have ads?

Neither Clamp nor 4Quadrants shows ads.

### Which is updated more often, Clamp or 4Quadrants?

Clamp ships an update weekly, and 4Quadrants every 6 days. Most recently, Clamp was updated on October 5, 2026 and 4Quadrants on October 21, 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.*