# Alarm Clock HD vs Vibration Timer

Alarm Clock HD and Vibration Timer both sit at 4.5 stars, but that hides the real split: 67% of Vibration Timer's written reviews are positive against 32% of Alarm Clock HD's. Vibration Timer also leads on in-app purchases (none vs 10). Alarm Clock HD's advantage is update cadence (fortnightly vs every 11 months) and ratings volume (104K vs 16). On price, rating, ads and device support there is nothing between them.

Both are free to download. Alarm Clock HD sells 10 in-app purchases, starting at $1.49 per month. Vibration Timer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Alarm Clock HD against 4.4 for Vibration Timer. That said, the two scores are not equally well evidenced: Alarm Clock HD has 104K ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 32% of Alarm Clock HD's written reviews are positive against 67% of Vibration Timer's.

Alarm Clock HD ships an update fortnightly, Vibration Timer every 11 months. The most recent releases landed on November 8, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Alarm Clock HD | Vibration Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (104K ratings)](https://appshunter.io/ios/app/alarm-clock-hd/id476555713/reviews)** | [4.4 (16 ratings)](https://appshunter.io/ios/app/vibration-timer-vibrator-app/id6446075487/reviews) |
| Number of ratings | **104K** | 16 |
| Positive reviews | 31.6% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 11 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 234 MB | 10 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) |

## What reviewers say

### Alarm Clock HD

[App page](https://appshunter.io/ios/app/alarm-clock-hd/id476555713)

Wake up refreshed with customizable alarms and sleep tracking. Enjoy your favorite music as an alarm, track your sleep patterns, and utilize features like a built-in flashlight and local weather updates. Offers a premium subscription for an ad-free experience and enhanced support.

**Highlights:** Unlimited alarms with music or custom sounds, Sleep tracking and analysis, Customizable nightstand display, Integrated flashlight, Local weather information, Sleep timer

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium member - 1 month | $1.49 | per month |
| Premium Features - Weekly | $1.99 | per 7 days |
| Premium Features - Monthly | $2.59 | per month |
| Upgrade to Premium Features | $5.49 | per 6 months |
| Premium Yearly | $9.99 | per year |
| Premium Yearly | $11.99 | per year |
| Upgrade Your Alarm Clock | $14.99 | per year |
| Premium yearly | $19.99 | per year |
| Premium yearly | $19.99 | per year |
| Premium yearly | $29.99 | per year |

**What reviewers like**

- 🚀 Reliable alarm clock
- 🎨 Customizable colors
- 🔊 Ability to use music as alarm
- 💤 Gradual volume increase

**What reviewers complain about**

- 🐛 Alarm not going off
- 🔍 Difficulty seeing small buttons/text
- 💸 Subscription model for ad-free version
- 🔋 High battery consumption
- 🔇 Alarm muting phone volume

**Reported bugs**

- Alarm randomly snoozing itself
- Alarm not working when phone is muted
- Alarm sound not playing
- Alarm screen freezing/crashing

**Requested features**

- 24-hour clock option
- More alarm sounds/tones
- Ability to use own music files
- Do not disturb mode


### Vibration Timer

[App page](https://appshunter.io/ios/app/vibration-timer-vibrator-app/id6446075487)

This utility app provides a silent timer that relies solely on vibration for notifications. It offers unlimited preset timers with customizable labels and colors, and can send strong vibration alerts even when the app is in the background. The interface supports dark mode and displays an icon badge when a timer is active.

**Highlights:** Silent vibration-only notifications, Unlimited preset timers, Customizable timer labels and colors, Background vibration alerts, Icon badge display, Dark mode support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Alarm Clock HD free?

Alarm Clock HD is free to download, with in-app purchases available.

### Is Vibration Timer free?

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

### Which has better reviews, Alarm Clock HD or Vibration Timer?

Alarm Clock HD is rated higher. Alarm Clock HD averages 4.5 out of 5 from 104K ratings, while Vibration Timer averages 4.4 from 16 ratings.

### Do Alarm Clock HD or Vibration Timer have ads?

Both Alarm Clock HD and Vibration Timer show ads.

### Which is updated more often, Alarm Clock HD or Vibration Timer?

Alarm Clock HD ships an update fortnightly, and Vibration Timer every 11 months. Most recently, Alarm Clock HD was updated on November 8, 2026 and Vibration Timer on November 3, 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.*