# Alarm Clock HD vs Space Night Clock

The clearest difference is rating: Alarm Clock HD at 4.5 against Space Night Clock's 1.0. Alarm Clock HD also leads on review sentiment (32% vs 0%) and ratings volume (104K vs 1). Space Night Clock's advantage is in-app purchases (none vs 11) and iOS requirement (12.0 vs 17.6). On price, update cadence, ads 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. Space Night Clock asks for nothing beyond the download.

Alarm Clock HD holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Alarm Clock HD has 104K ratings behind it against 1, 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 0% of Space Night Clock's.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Alarm Clock HD | Space Night Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (104K ratings)](https://appshunter.io/ios/app/alarm-clock-hd/id476555713/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/space-night-clock/id762333899/reviews) |
| Number of ratings | **104K** | 1 |
| Positive reviews | **31.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Freemium | **Ad-supported** |
| Size | 234 MB | 14 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) | [Chris Guyler](https://appshunter.io/developer/687318530) |

## 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


### Space Night Clock

[App page](https://appshunter.io/ios/app/space-night-clock/id762333899)

This utility app provides a calming night clock experience designed to help users fall asleep. It features a space-themed visual display to create a relaxing ambiance.

**Highlights:** Night clock functionality, Sleep aid features, Space-themed visuals, Relaxing ambiance

**Features:** macOS Compatibility

**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 Space Night Clock free?

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

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

Alarm Clock HD is rated higher. Alarm Clock HD averages 4.5 out of 5 from 104K ratings, while Space Night Clock averages 1.0 from 1 ratings.

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

Both Alarm Clock HD and Space Night Clock show ads.

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

Alarm Clock HD ships an update fortnightly, and Space Night Clock fortnightly. Most recently, Alarm Clock HD was updated on October 21, 2026 and Space Night Clock on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*