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83
BU Score
Excellent

Alarmy - Alarm Clock & Sleep

4.6 ✍️ Editor
✍️ bumetric analysis

Alarmy - Alarm Clock & Sleep is an Android app from Sleep Tracker & Alarm Clock by Delightroom in the Productivity category, currently rated 4.6★ across 2,046,670 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 83: Excellent (strong product-market fit). For a Productivity app, that means strong product-market fit.

Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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Forecast Revenue / mo
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💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
High install base (2,046,670 ratings)METRIC
+$12,000
Excellent rating (4.6★)METRIC
+$2,200
Ad-supported / freemiumMETRIC
+$600
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v26.21.4🔄 updated 2w ago📂 Productivity💰 Free

📝 About this app

Boost your mornings with Alarmy – the most powerful loud alarm clock app for heavy sleepers!
Wake up refreshed and motivated every day using our loud alarm clock app, customizable missions, and powerful sounds.

■ The Best Loud Alarm Clock App
Are you tired of regular alarms not working? Our loud alarm clock app comes with ultra-powerful sounds like “End of the World” and “Cock-a-doodle-doo,” making it perfect for heavy sleepers. No more oversleeping – this app is louder and smarter.

■ Smart Wake-Up Missions
Can’t wake up? This loud alarm clock app includes fun and powerful missions:

- Barcode & photo: force yourself to get out of bed
- Math alarm clock app & memory: get your brain moving
- Typing motivation quotes: boost your mindset
- Shake or squat: physical activity to eliminate sleep inertia

■ Special Mode for Snooze Addicts
Break your snooze habit with Wake Up Check – if you ignore it, your wake up missions restart.
Perfect for those with ADHD or anyone who needs the strongest way to get out of bed.

■ Alarm Clock App for Students & Workers
Set your loud alarm clock app to match your lifestyle:

- Students can scan their textbook to jump into study mode
- Office workers can use loud alarm clock sounds and typing missions for an energy boost

■ Customizable Sounds & Routines
Choose from dozens of loud alarm clock tones or peaceful melodies.
Whether you love music, or strong tones, we’ve got you covered.
Build your morning routine and evening habit with the best tools.

■ Sleep Better with Sleep Tracker
Great mornings start with good sleep. Use our sleep tracker to monitor your cycle and reduce snoring.
Pair it with calm sleep sounds like rain, ocean waves, or ASMR for deeper rest.
Alarmy isn’t just for waking – it’s for sleeping better too.

■ Recommended For:
- Deep sleepers looking for a reliable loud alarm clock app
- Anyone needing a loud alarm clock app with smart missions
- Users who want to build a morning routine or consistent habit
- Students preparing for exams with an ADHD-friendly features
- People who want to track and improve their sleep with our sleep tracker

■ Motivation Boost Features
- Set your clock app background to motivational quotes or videos
- Use typing mission to recite your goals every morning

■ Life Hacks with Alarmy
📘 Study Mode
- Choose Photo Mission
- Register your textbook cover
- Wake up + start studying = instant productivity

🎯 ADHD Routine
- Use loud alarm clock app + barcode mission
- Add Wake Up Check to prevent snoozing

🌙 Sleep Routine
- Set bedtime with alarm clock
- Play calming sleep sounds
- Track with sleep tracker
- Repeat 5+ nights to build a healthy cycle

Enjoy all features:
loud alarm clock, alarm clock for heavy sleepers and more!

----
■ PERMISSIONS
- SYSTEM_ALERT_WINDOW (Android window permission)
Needed for displaying the dismissal screen on Android 10 and above.

■ OPTIONAL PERMISSIONS
Service can be used without agreement, except for:
- Write External Storage: Needed to load external ringtones.
- Camera: Required for photo missions where users need to take pictures.
- Read External Storage: Needed to save photos taken by users in photo missions.
- Location Information: Needed to obtain weather information after the app is closed.
- Device Manager: Used to prevent the app from being uninstalled.

Alarmy uses the Accessibility Service API to provide ‘Prevent turn off’ feature. The optional feature blocks the user from turning the device off while the alarm is ringing so that they can wake up better.

- Privacy Policy (English): http://alar.my/privacy_policy_en.txt
- Email: cs@delightroom.com
- Developer Contact: 368, Sapyeong-daero, Seocho-gu, Seoul, Republic of Korea

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Alarmy - Alarm Clock & Sleep
Developer
Sleep Tracker & Alarm Clock by Delightroom
Bundle ID
droom.sleepIfUCan
App Store URL
Open in App Store
Category
Productivity
Content rating
Not found
Languages
Not found

Company

Website
Not found
Tagline
Not found
Description
Not found
Founded
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HQ / Address
Not found
Employees
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Logo
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Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
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ML model estimate / mo
$5.6K/mo
Top-grossing rank
Not found
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
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GitHub
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X followers
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Public statements
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Funding

Total raised
Not found
Last round
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Investors
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Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
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Listed on
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Blog
Not found
Press / News
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Contacts & Socials

Socials
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Email
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Phone
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Contact page
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About page
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AI Revenue EstimateCONFIDENCE: LOW
Publicly available sources provide overall company revenue for Delightroom, the developer of Alarmy, and combined iOS/Android revenue for the app, but do not offer a specific breakdown of revenue solely for the Android version of 'Alarmy - Alarm Clock & Sleep'. Delightroom's total revenue, primarily driven by Alarmy, was approximately $34 million in 2025. In 2021, the Alarmy app (iOS and Android combined) generated $11.21 million in revenue.
Sources mentioned: Sensor Tower, Adapty, Indie Hackers, Wowtale, The Seoul Economic Daily, Pulse 2.0, PR Newswire
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

Similar apps in Productivity

Full revenue analysis
Read the article-style breakdown for Alarmy - Alarm Clock & Sleep: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →