# Clamp vs Lock On

The clearest difference is update cadence: Clamp at weekly against Lock On's every 4 months. Lock On's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Clamp sells 2 in-app purchases, starting at $2.99 per month and Lock On sells 6 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Clamp ships an update weekly, Lock On every 4 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Clamp | Lock On |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Size | 5 MB | 51 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jayeshkumar Akbari](https://appshunter.io/developer/1760800876) | [BinVision Solutions Inc.](https://appshunter.io/developer/1834990667) |

## 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 |


### Lock On

[App page](https://appshunter.io/ios/app/lock-on-limit-screen-time/id6760328819)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $6.99 | per month |
| Pro - Annual | $59.99 | per year |
| 5 Credits | $4.99 | one-time |
| 10 Credits | $9.99 | one-time |
| 25 Credits | $24.99 | one-time |
| 50 Credits | $49.99 | one-time |


## Frequently asked questions

### Is Clamp free?

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

### Is Lock On free?

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

### Do Clamp or Lock On have ads?

Neither Clamp nor Lock On shows ads.

### Which is updated more often, Clamp or Lock On?

Clamp ships an update weekly, and Lock On every 4 months. Most recently, Clamp was updated on October 25, 2026 and Lock On on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*