# Alarm Clock HD vs Simple Timer & Alarm ListTimer

Alarm Clock HD and Simple Timer & Alarm ListTimer both sit at 4.5 stars, but that hides the real split: 89% of Simple Timer & Alarm ListTimer's written reviews are positive against 32% of Alarm Clock HD's. Simple Timer & Alarm ListTimer also leads on update cadence (every 5 days vs fortnightly) and iOS requirement (15.6 vs 17.6). Alarm Clock HD's advantage is ratings volume (104K vs 302). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Alarm Clock HD sells 10 in-app purchases, starting at $1.49 per month and Simple Timer & Alarm ListTimer sells 4 in-app purchases, starting at $0.49 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Alarm Clock HD against 4.6 for Simple Timer & Alarm ListTimer. That said, the two scores are not equally well evidenced: Alarm Clock HD has 104K ratings behind it against 302, 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 89% of Simple Timer & Alarm ListTimer's.

Alarm Clock HD ships an update fortnightly, Simple Timer & Alarm ListTimer every 5 days. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Alarm Clock HD | Simple Timer & Alarm ListTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (104K ratings)](https://appshunter.io/ios/app/alarm-clock-hd/id476555713/reviews) | **[4.6 (302 ratings)](https://appshunter.io/ios/app/simple-timer-and-alarm-listtimer/id890352174/reviews)** |
| Number of ratings | **104K** | 302 |
| Positive reviews | 32.0% of reviews | **89.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 230 MB | 37 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [Lemon LLC](https://appshunter.io/developer/1571526603) |

## 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


### Simple Timer & Alarm ListTimer

[App page](https://appshunter.io/ios/app/simple-timer-and-alarm-listtimer/id890352174)

This app offers a simple, one-tap timer for various activities like focus, study, and workouts. It displays finish times, works in the background with notifications, and supports vibration for silent mode. An upgrade option removes ads and adds lock screen countdowns and custom sounds.

**Highlights:** One-tap start, Finish times displayed, Background notifications, Vibration for silent mode, Easy repeat function, Battery friendly operation

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ListTime One Weeek | $0.49 | per 7 days |
| ListTimer Plus | $2.49 | per month |
| ListTimer Plus | $14.99 | per year |
| ListTimer Plus | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive user interface
- ⏱️ Seconds display feature (unlike Apple's native timer)
- 🔇 True silent/vibration-only alert option
- 🎯 Multiple simultaneous timers capability
- ✅ Highly reliable and consistent performance

**What reviewers complain about**

- 🐛 Alarm doesn't always trigger when app is closed
- 📢 Intrusive and frequent advertisements
- 🔊 Ad sounds play despite silent timer setting
- ⚙️ Awkward repeat function toggle in settings
- 📱 Requires app to remain open for vibration alerts

**Reported bugs**

- Alarm fails to trigger when app is closed or locked
- Vibration doesn't work reliably in background
- App fails to download (stuck on iCloud icon)
- Notification bar alert insufficient to wake users
- Inconsistent vibration performance in some scenarios

**Requested features**

- 12-hour time format option for end-time display
- Independent alarm volume control (separate from phone volume)
- Simpler repeat function toggle (zero repeat option in settings)
- Text/description field to note what timer is for
- Interval repetition with alerts


## Frequently asked questions

### Is Alarm Clock HD free?

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

### Is Simple Timer & Alarm ListTimer free?

Simple Timer & Alarm ListTimer is free to download, with in-app purchases available.

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

Simple Timer & Alarm ListTimer is rated higher. Alarm Clock HD averages 4.5 out of 5 from 104K ratings, while Simple Timer & Alarm ListTimer averages 4.6 from 302 ratings.

### Do Alarm Clock HD or Simple Timer & Alarm ListTimer have ads?

Both Alarm Clock HD and Simple Timer & Alarm ListTimer show ads.

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

Alarm Clock HD ships an update fortnightly, and Simple Timer & Alarm ListTimer every 5 days. Most recently, Alarm Clock HD was updated on September 24, 2026 and Simple Timer & Alarm ListTimer on September 23, 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.*