# Xtimer Clock vs Promise

The clearest difference is price: Promise at Free against Xtimer Clock's $2.99. Xtimer Clock's advantage is in-app purchases (none vs 2) and update cadence (every 3 days vs every 3 weeks). On ads and device support there is nothing between them.

Promise is free to download; Xtimer Clock costs $2.99 up front. Promise sells 2 in-app purchases, starting at $2.99 per month. Xtimer Clock asks for nothing beyond the download.

Xtimer Clock ships an update every 3 days, Promise every 3 weeks. The most recent releases landed on November 13, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Xtimer Clock | Promise |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/xtimer-clock/id6792040390/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 104 MB | 54 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VALERY PITON](https://appshunter.io/developer/1881339975) | [Eslam Elsadawy](https://appshunter.io/developer/1883148394) |

## What reviewers say

### Xtimer Clock

[App page](https://appshunter.io/ios/app/xtimer-clock/id6792040390)

This alarm app features a dancing 3D rooster and loud, unique sounds to ensure you wake up. It offers system alarms that bypass silent mode and allows custom sound imports. Includes timer and stopwatch functions.

**Highlights:** Animated 3D rooster wake-up animation, 55 loud built-in alarm sounds, True system alarms bypass silent mode, Synced vibration with alarm sounds, Import custom audio files, Timer and stopwatch functionality

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

**In-app purchases:** none


### Promise

[App page](https://appshunter.io/ios/app/promise-alarm-clock/id6796714697)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Promise Alarm Pro Monthly | $2.99 | per month |
| Promise Alarm Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is Xtimer Clock free?

Xtimer Clock costs $2.99, with no in-app purchases.

### Is Promise free?

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

### Do Xtimer Clock or Promise have ads?

Neither Xtimer Clock nor Promise shows ads.

### Which is updated more often, Xtimer Clock or Promise?

Xtimer Clock ships an update every 3 days, and Promise every 3 weeks. Most recently, Xtimer Clock was updated on November 13, 2026 and Promise on November 6, 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.*