Ratings and download counts are from the US App Store and Google Play as of 16 October 2026, and change all the time.
What makes an alarm clock app good in 2026
Most people do not wake on the first ring, and the research says that is normal. In about 3 million sleep sessions from 21,222 Sleep Cycle users, about 56% ended with a snooze. In a survey of 1,732 adults, 69% said they use snooze or several alarms at least sometimes, averaging 22 minutes, and a lab test in the same study found a 30-minute snooze did not harm habitual snoozers' sleep. In a study of 450 full-time salaried workers, 57% were habitual snoozers.
Feeling groggy is normal too. Sleep inertia, the drop in alertness right after waking, is worst when you are woken from deep sleep and, without major sleep loss, rarely lasts more than about 30 minutes. That is the idea behind smart alarms that wake you in a lighter phase.
And people get up more reliably when someone else is involved. In a randomised trial of 166 adults in a weight-loss programme, 95% of those who joined with friends completed it, against 76% of those who joined alone. A meta-analysis of 241 studies found that the presence of others slightly improves performance on simple tasks, and getting out of bed is a simple task.
So we judged each app on four things:
| What we looked for | Why it matters |
|---|---|
| It rings, even on silent | An alarm that a Focus mode or the silent switch can mute is not an alarm. On iPhone, apps can now use Apple's AlarmKit for this |
| Snooze on your terms | Most people snooze. A good app lets you set how long and how many times, not just whether |
| A reason to get up | A mission, a gentle light-sleep window, or a friend who can see whether you did |
| It fits what you wake for | A solo morning, your sleep data, or a group and the moments that have no fixed time |
10. Loud Alarm Clock LOUDEST
An iPhone alarm built to be as loud as possible. Its listing says it rings through Silent and Focus with the app closed, and it has 48 sounds, 11 voice alarms and backup alarms at 3, 6 and 9 minutes that one "I'm up" ends. Rated 4.4 from 8K ratings. Free, with Premium at $19.99 a year.
Best for: iPhone users who sleep through everything and want one very loud alarm.
9. RISE: Sleep Tracker
An Apple Editors' Choice that works out your sleep debt and suggests the best windows to sleep and wake, with a smart alarm. Rated 4.7 from 72K ratings on the App Store. Mostly a subscription, with a 7-day free trial.
Best for: people who want to understand their energy across the day, not just wake up.
8. Alarm Clock Xtreme
A long-time Android favourite with 50M+ downloads and a 4.5 rating from 1.25M reviews. Gradually rising volume, math puzzles to snooze or dismiss, a maximum snooze count, music or radio as the ringtone, and a "My day" screen with weather and calendar. Free with ads.
Best for: Android users who want lots of control for free.
7. Sleep as Android
The deepest sleep tracker on Android: a smart alarm in light sleep, wake-up tasks such as scanning a QR code or an NFC tag, smartwatch tracking and smart-light wake-ups. 10M+ downloads, rated 4.6. Free trial, then a paid unlock.
Best for: Android users who want detailed sleep data and a smart alarm.
6. Apple Clock
The alarm already on every iPhone. Simple, dependable and free, and recent versions let you set the snooze length per alarm and separate alarm volume from the ringer.
Best for: iPhone owners who want an alarm with no setup at all.
5. Google Clock
Google's built-in clock on Pixel and many Android phones, with 1B+ downloads: alarms, a bedtime schedule, sleep sounds and Wear OS support. Free, with no ads.
Best for: Android users who want a reliable, free, built-in alarm.
4. Sleep Cycle
The best-known smart-wake sleep tracker on both platforms: it wakes you in your lightest sleep and detects snoring and sleep talk with no wearable. An Editors' Choice, rated 4.7 from 31K ratings on the App Store. Free, with Premium.
Best for: gentler wake-ups and insight into your sleep.
3. Galarm
A social alarm and reminders app with group alarms that go off at the same time for everyone, buddy alarms you set for someone else, a chat on each alarm and a web app on Premium. 5M+ downloads on Android, rated 4.6, and 4.7 on the App Store. Premium is $0.99 a month, $9.99 a year or $24.99 for life. See LFG Alarm vs Galarm.
Best for: families and small teams who want shared reminders at set times.
2. Alarmy
The best-known challenge alarm, with 50M+ downloads on Android, rated 4.7 from 2.17M reviews, and 4.8 on the App Store. To turn it off you complete a mission: solve math, take a photo, scan a barcode, shake, do squats. Its Wake Up Check restarts the missions if you go back to sleep, and it adds sleep tracking and sleep sounds. Free, with Premium. See LFG Alarm vs Alarmy.
Best for: heavy sleepers who need to be forced out of bed.
1. LFG Alarm
A social alarm clock that rings for times and for moments. Besides ordinary time alarms, it can ring when an account on X posts something you described, when a Twitch or YouTube channel goes live, when a token reaches a price, when a wallet or a trader makes a big trade, when an event you pasted from Luma or Partiful is about to start, or when any app or script calls its private link. Share an alarm by link and every phone that joined rings in the same second, with a wake board of who got up first. Hundreds of songs, voices and sirens, and Rocco, the cat inside, does the watching. Free to download.
Best for: anyone who wants an alarm for more than a time: friends, group chats, fans, hosts, traders and builders.
Why we put it first: it is the only app on this list that does both jobs, waking you and your friends together, and waking you for the moments that have no fixed time. If all you need is a solo morning alarm, any of the nine above will serve you well.
How we chose
We looked at the most downloaded and best rated alarm apps on both stores, read their own listings and help pages, and scored them on the four things above. Then we picked the best at each job: getting you up, tracking sleep, and waking more than one person. Apps that have not been updated in years were left out.
Sources and further reading
Don't hit snooze on new research about waking up, Mass General Brigham, on Robbins and others, Scientific Reports, 2025
Is snoozing losing?, Sundelin, Landry and Axelsson, Journal of Sleep Research, 2023
Snoozing among salaried workers, Mattingly and others, Sleep, 2022
Sleep inertia, Tassi and Muzet, Sleep Medicine Reviews, 2000
Benefits of recruiting participants with friends, Wing and Jeffery, 1999
Social facilitation: a meta-analysis of 241 studies, Bond and Titus, 1983
Galarm and Galarm Premium
LFG Alarm is not affiliated with any of the other apps on this list.
