# Alarm Clock HD vs Clock

Alarm Clock HD and Clock both sit at 4.5 stars, but that hides the real split: 84% of Clock's written reviews are positive against 32% of Alarm Clock HD's. Clock also leads on in-app purchases (none vs 11) and ads (none vs shown). Alarm Clock HD's advantage is update cadence (fortnightly vs every 12 months) and ratings volume (104K vs 152). On price, rating and device support there is nothing between them.

Both are free to download. Alarm Clock HD sells 11 in-app purchases, starting at $1.49 per month. Clock 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 Clock. That said, the two scores are not equally well evidenced: Alarm Clock HD has 104K ratings behind it against 152, 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 84% of Clock's.

Alarm Clock HD ships an update fortnightly, Clock every 12 months. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Alarm Clock HD | Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (104K ratings)](https://appshunter.io/ios/app/alarm-clock-hd/id476555713/reviews)** | [4.4 (152 ratings)](https://appshunter.io/ios/app/clock-simple-and-customizable/id1279486222/reviews) |
| Number of ratings | **104K** | 152 |
| Positive reviews | 31.7% of reviews | **84.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 12 months |
| Monetization | Freemium | **Free** |
| Size | 234 MB | 2 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [Max-Joseph Krempl](https://appshunter.io/developer/1509598575) |

## What reviewers say

### Alarm Clock HD

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

Wake up gently with your favorite music or sounds using this advanced alarm clock. It offers customizable nightstand displays, sleep tracking, and a sleep timer to help you unwind. Enjoy features like local weather and an instant flashlight, with an option to go ad-free via subscription.

**Highlights:** Unlimited alarms with Apple Music or custom sounds, Sleep tracking, Customizable nightstand display, Sleep timer, Local weather information, Instant flashlight, Screen saver for OLED displays

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

**In-app purchases (11)**

| 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 | $24.99 | 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


### Clock

[App page](https://appshunter.io/ios/app/clock-simple-and-customizable/id1279486222)

This app displays the time with a minimalistic design, utilizing the full screen. It offers extensive customization for time format, including 12/24 hour, leading zeros, and seconds precision. Screen brightness can be adjusted by swiping, and screen dimming can be prevented.

**Highlights:** Full-screen display, Customizable time format (12/24hr, seconds), Adjustable screen brightness, Prevent screen dimming, Minimalistic design

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple, minimalist design focused solely on displaying time
- 🆓 Completely free with no ads or in-app purchases
- 🔒 No data collection or tracking
- 🔆 Adjustable brightness/dimming feature for nighttime use
- ⏱️ Displays seconds and milliseconds options

**What reviewers complain about**

- 🐛 Settings not persisting (12/24 hour format reverts)
- 🔋 High battery consumption reported by some users
- 📱 No landscape mode option (conflicting reports)
- 🔆 Brightness controls remain visible when dimmed
- 🐛 Occasional font weight fluctuations

**Reported bugs**

- 12/24 hour format setting not saving properly
- Widget fails to display current time
- Siri cannot distinguish between this app and Apple's Clock
- App not appearing in Shortcuts app list
- Screen burn-in after extended use

**Requested features**

- Date display option (most frequently requested)
- Bold/thicker font option for better readability
- Color customization (especially red for night vision preservation)
- Widget support with live time display
- Battery percentage indicator


## Frequently asked questions

### Is Alarm Clock HD free?

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

### Is Clock free?

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

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

Alarm Clock HD is rated higher. Alarm Clock HD averages 4.5 out of 5 from 104K ratings, while Clock averages 4.4 from 152 ratings.

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

Alarm Clock HD shows ads; Clock does not.

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

Alarm Clock HD ships an update fortnightly, and Clock every 12 months. Most recently, Alarm Clock HD was updated on October 19, 2026 and Clock on October 13, 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.*