# Clamp vs LockHour Pro

The clearest difference is update cadence: LockHour Pro at every 3 days against Clamp's weekly. LockHour Pro also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Clamp sells 2 in-app purchases, starting at $2.99 per month and LockHour Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Clamp ships an update weekly, LockHour Pro every 3 days. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Clamp | LockHour Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 5 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jayeshkumar Akbari](https://appshunter.io/developer/1760800876) | [Guan Feng Lai](https://appshunter.io/developer/1136144960) |

## 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 |


### LockHour Pro

[App page](https://appshunter.io/ios/app/lockhour-pro-block-apps/id6780107485)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Clamp free?

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

### Is LockHour Pro free?

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

### Do Clamp or LockHour Pro have ads?

Neither Clamp nor LockHour Pro shows ads.

### Which is updated more often, Clamp or LockHour Pro?

Clamp ships an update weekly, and LockHour Pro every 3 days. Most recently, Clamp was updated on October 5, 2026 and LockHour Pro on October 17, 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.*