# Alarm Clock HD vs Simple Alarm

The clearest difference is review sentiment: Simple Alarm at 100% against Alarm Clock HD's 32%. Simple Alarm also leads on in-app purchases (none vs 10) and ads (none vs shown). Alarm Clock HD's advantage is ratings volume (104K vs 2) and iOS requirement (17.6 vs 26.0). 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. Simple Alarm asks for nothing beyond the download.

Simple Alarm holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Alarm Clock HD has 104K ratings behind it against 2, 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 100% of Simple Alarm's.

Alarm Clock HD ships an update fortnightly, Simple Alarm every 3 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Alarm Clock HD | Simple Alarm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (104K ratings)](https://appshunter.io/ios/app/alarm-clock-hd/id476555713/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simple-alarm-countdown/id6786860911/reviews)** |
| Number of ratings | **104K** | 2 |
| Positive reviews | 31.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 234 MB | 12 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [Peter Feranc](https://appshunter.io/developer/6785545162) |

## 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


### Simple Alarm

[App page](https://appshunter.io/ios/app/simple-alarm-countdown/id6786860911)

This utility app displays the exact time remaining until an alarm rings, directly on your device's list, lock screen, and in a full-screen countdown. It ensures reliable notifications even in silent mode or focus, offering customizable options and nap features.

**Highlights:** Countdown to alarm time, Reliable ringing in Silent mode/Focus, One-time and repeating alarms, Customizable snooze and sounds, Power nap feature, Wake-up statistics

**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 Simple Alarm free?

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

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

Simple Alarm is rated higher. Alarm Clock HD averages 4.5 out of 5 from 104K ratings, while Simple Alarm averages 5.0 from 2 ratings.

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

Alarm Clock HD shows ads; Simple Alarm does not.

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

Alarm Clock HD ships an update fortnightly, and Simple Alarm every 3 days. Most recently, Alarm Clock HD was updated on November 11, 2026 and Simple Alarm on October 31, 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.*