Comparison

Sleep Science HQ vs milo evd simulator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sleep Science HQ

Wake up gently with over 750 natural sounds and customizable sequences. Track your sleep patterns, analyze trends with detailed graphs, and record notes to understand what affects your rest. The app also helps you achieve your sleep goals and remember your dreams.

Highlights
  • 750+ natural wake-up sounds
  • Customizable sound sequences
  • Sleep tracking and analysis
  • Sleep graphs and statistics
  • Daily notes for routines and dreams
  • Loudest sound detection
Features
Read full description

Wake up gently, track and improve your sleep. Feel refreshed and rejuvenated every morning! Tired of being jarred awake? Wake up to over 750 high-quality natural sounds from around the world. Create your own perfect wake-up sequences of 6 different natural sounds. You could begin with soothing rain, progress to ocean waves and morning bird calls, and, if those don't work, be roused by Japanese drums and rolling church bells. With over 750 sounds and fully programmable play times, you have virtually endless possibilities to customize your wake-up experience. You’ll start your day well-rested and full of energy. Want to get 7, 8 or more hours of sleep every night? Sleep Science tracks your sleep each night and helps you achieve your personal sleep goal. Want to understand your sleep over time? Sleep Science provides meaningful graphs over weeks, months and years so you can see how your sleep improves. Want to learn what affects your sleep? Sleep Science lets you record notes about changes in bed-time routine, exercise, stress, and more. You can even put notes on your sleep graphs. Not sure what wakes you up? Sleep Science records the loudest sound during the night so you can find out. Do you forget your dreams? Sleep Science lets you record dreams during the night or when you wake up. You can review them weeks, months or years later. From the creators of popular Rain Sounds HQ, White Noise HQ and Sleep Sounds HQ sleep sound apps, we’ve packed all this capability into a simple and beautiful app that works! Sleep Science HQ features: • Over 750 high-quality, natural wake-up sounds recorded on location around the world. • Customizable wake-up sequences of up to 6 different sounds, with play time, strobe and vibration options. • Graphs that show your sleep and wake activity during the night. • Log and graphs of your actual sleep time vs your personal sleep goal. • Daily notes for recording dreams and changes to daily and bedtime routines. • Sleep graphs over weeks/months/years that show sleep statistics, trends and notes. • Gentle wake up during light sleep, 0-30min before your alarm time. • Captures the loudest sound during the night. • 22 sound categories, including: Rain, Ocean, Rivers & Streams, Crickets, Wind Chimes, Lakes, Wind, Water Fountains, Fire, Birds, Animals, Cars, Trains & Planes, Public Places, Household, Bells, Industrial, Soundscapes, Drums and more... • Modern easy-to-use interface, optimized for nighttime and wake up. Download Sleep Science HQ now.

About

milo evd simulator

Features
Read full description

脳室ドレナージ術は脳外科医にとって脳圧をコントロールするための重要な手術です。例えば前角穿刺では「外耳孔、nasionに向けて刺入」がセオリーではありますが、これがどのような経路で刺入されているかを本アプリでは三次元的に確認できます。また若手脳外科医、研修医向けに、穿頭ドリルの回転終了のタイミングをドリルの音に注目して学習できます。

Screenshots

Sleep Science HQ4 screens
milo evd simulator4 screens

Verdict

The call

The clearest difference is price: milo evd simulator at Free against Sleep Science HQ's $4.99. milo evd simulator also leads on update cadence (every 2 weeks vs every 7 months) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

milo evd simulator is free to download; Sleep Science HQ costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sleep Science HQ ships an update every 7 months, milo evd simulator every 2 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Sleep Science HQ versus milo evd simulator: the parameters behind the verdict, then further details
ParameterSleep Science HQmilo evd simulator
Price$4.99Free — better
Rating4.5 (96 ratings) — better—
Positive reviews85.2% of reviews—
Number of ratings96 — better—
Update frequencyEvery 7 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.012.0 — better
Further details — not scored
Size102 MB167 MB
Age rating4+17+
DeveloperPhase4 MobileSatoshi Kiyofuji

Bugs and requests

Sleep Science HQ

Reported bugs

11 issues
  • App crashes on startup for some devices
  • Microphone fails to record sleep sounds
  • Sleep data shows 0 hours despite time in bed
  • Alarm triggers at unscheduled times
  • Sound preview doesn't play on demand
Show 6 more
  • Frequent app freezes during sound selection
  • Incompatibility with older iOS versions
  • Data loss when upgrading from free to paid version
  • Inconsistent sleep detection with bed movement
  • App stops monitoring when switching applications
  • Rating prompt appears too frequently

Requested features

15 requests
  • Multiple alarm times for different weekdays
  • Integration with Apple Health app
  • Adjustable alarm fade-in duration
  • Volume preview when setting alarms
  • Traditional alarm tone options with fade-in
Show 10 more
  • Apple Watch support
  • Ability to use personal music library for alarms
  • Data backup and restoration between devices
  • Sleep sounds that fade out automatically
  • Shake/tilt to snooze functionality
  • More animal and nature sound variety
  • Mixing/blending multiple sounds together
  • Better sleep algorithm and accuracy
  • Vibration-only alarm option
  • Improved sound file management system

milo evd simulator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Sleep Science HQ

No in-app purchases

None

milo evd simulator

No in-app purchases

Questions

Is Sleep Science HQ free?
Sleep Science HQ costs $4.99, with no in-app purchases.
Is milo evd simulator free?
milo evd simulator is free to download, with no in-app purchases.
Do Sleep Science HQ or milo evd simulator have ads?
Neither Sleep Science HQ nor milo evd simulator shows ads.
Which is updated more often, Sleep Science HQ or milo evd simulator?
Sleep Science HQ ships an update every 7 months, and milo evd simulator every 2 weeks. Most recently, Sleep Science HQ was updated on November 6, 2026 and milo evd simulator on October 30, 2026.

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