# Clamp vs Promise

The clearest difference is in-app purchases: Promise at none against Clamp's 2. Promise also leads on update cadence (every 3 days vs weekly). On price, ads, device support 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. Promise asks for nothing beyond the download.

Clamp ships an update weekly, Promise every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Clamp | Promise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/promise-screen-time-control/id6772737353/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Free |
| Size | 5 MB | 33 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jayeshkumar Akbari](https://appshunter.io/developer/1760800876) | [JAKUB ELIAS](https://appshunter.io/developer/6772737355) |

## 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 |


### Promise

[App page](https://appshunter.io/ios/app/promise-screen-time-control/id6772737353)

This app helps you reduce screen time and digital distractions with playful app blocking and focus routines. It features a cute companion that keeps you accountable, offering gentle warnings before blocking access to distracting applications.

**Highlights:** Block distracting apps, Reduce screen time, Set app limits, Focus routines, Soft warnings before blocks, Track screen time and usage, Build healthier phone habits

**In-app purchases:** none


## Frequently asked questions

### Is Clamp free?

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

### Is Promise free?

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

### Do Clamp or Promise have ads?

Neither Clamp nor Promise shows ads.

### Which is updated more often, Clamp or Promise?

Clamp ships an update weekly, and Promise every 3 days. Most recently, Clamp was updated on November 5, 2026 and Promise on October 31, 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.*