# Alarm Clock HD vs Clock

The clearest difference is rating: Alarm Clock HD at 4.5 against Clock's 2.5. Alarm Clock HD also leads on update cadence (fortnightly vs every 9 months) and review sentiment (32% vs 14%). Clock's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price 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. Clock asks for nothing beyond the download.

Alarm Clock HD holds the better App Store score, 4.5 against 2.5. That said, the two scores are not equally well evidenced: Alarm Clock HD has 104K ratings behind it against 20K, so its average is the more settled of the two. Written reviews point the same way: 32% of Alarm Clock HD's written reviews are positive against 14% of Clock's.

Alarm Clock HD ships an update fortnightly, Clock every 9 months. Both last shipped on September 24, 2026.

## 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)** | [2.5 (20K ratings)](https://appshunter.io/ios/app/clock/id1584215688/reviews) |
| Number of ratings | **104K** | 20K |
| Positive reviews | **32.0% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 9 months |
| Monetization | Freemium | **Free** |
| Size | 230 MB | 5 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [Apple](https://appshunter.io/developer/284417353) |

## 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 (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 | $24.99 | 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/id1584215688)

This app helps you manage your time across devices. It offers features like a world clock for global time zones, customizable alarms with music options, a stopwatch for measuring durations, and timers for countdowns.

**Highlights:** World Clock for global time zones, Customizable Alarms with music, Stopwatch with lap recording, Multiple Timers with labels, Sleep schedule integration

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Useful app
- 👍 Good alarm clock
- ✨ Interesting experience
- 🕰️ Helpful for timekeeping

**What reviewers complain about**

- 🐛 Alarm issues
- 🔇 Quiet/silent alarms
- 🕰️ Lack of customization
- 🤯 Frustrating bugs
- 🕰️ Unreliable timer

**Reported bugs**

- Alarms not going off or being silent
- Alarms disappearing or turning off on their own
- Timer issues like not showing countdown or not working properly

**Requested features**

- Ability to set alarms for specific dates
- Option to silence all alarms for a period
- More customization for alarm sounds and snooze
- Separate volume control for alarms
- Ability to group and manage alarms


## 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 2.5 from 20K 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 9 months. Most recently, Alarm Clock HD was updated on September 24, 2026 and Clock on September 24, 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.*