Comparison

MonkeyBrain vs White Noise & Sound Machine

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

Head to head
About

MonkeyBrain

This app offers a simple and discreet method to manage stress and anxiety by guiding your breathing with calming visuals and soundscapes. It's designed to help you find calm before challenging situations or whenever anxiety arises.

Highlights
  • Guided breathing rhythm regulation
  • Soothing visual cues
  • Calming soundscapes
  • Stress and anxiety relief
  • Discrete use
Features
Read full description

Breathe with intention. MonkeyBrain helps you ground yourself in moments of stress and fear. A simple and discrete way to regulate your breathing rhythm with soothing visuals and calming soundscapes. Use before stressful meetings, social events or simply when anxiety creeps up on you. Anxiety relief in your pocket.

About

White Noise & Sound Machine

Drift into deep sleep with a variety of calming soundscapes and intelligent audio mixing. Block distractions, reduce stress, and wake up refreshed. Create custom sound environments and use the smart timer for a seamless sleep experience.

Highlights
  • Calming soundscapes
  • Custom sound mixing
  • Intelligent audio mixing
  • Smart sleep timer
  • Noise blocking
  • Ad-free experience (premium)
Features
Read full description

Fall asleep faster. Stay asleep all night. Wake up refreshed. This is not just a sleep sounds app. It’s your nightly reset. Sleep Sound helps you relax your mind, reduce stress, and drift into deep, uninterrupted sleep using carefully designed soundscapes and intelligent audio mixing. No accounts. No distractions. Just sleep. --- WHY PEOPLE LOVE IT • Fall asleep in minutes with calming sounds • Block noise and distractions instantly • Stay asleep longer without interruptions • Wake up feeling clear and energized Trusted by thousands of sleepers looking for real results. --- IMMERSIVE SOUND EXPERIENCE Choose from high quality, looped soundscapes designed for deep relaxation: • Rain and soft storms • Ocean waves and deep water ambience • Forest and night nature sounds • White noise and brown noise • Fireplace and cozy environments Every sound is crafted to play seamlessly without breaks, so you never feel the loop. --- CREATE YOUR PERFECT MIX Build your own custom environment: • Mix multiple sounds together • Adjust volume for each sound • Save your favorite combinations • Create the perfect atmosphere for your sleep Your sleep, your control. --- SMART SLEEP TIMER • Set how long sounds should play • Automatic fade-out for natural sleep • No sudden stops or interruptions You fall asleep — the app handles the rest. --- FOCUSED. SIMPLE. POWERFUL. No complicated features. No clutter. Just press play and sleep. --- PREMIUM FEATURES Unlock the full experience: • Unlimited sound library • Advanced sound mixing • Extended timer options • Exclusive premium soundscapes • Ad-free experience --- Start sleeping better tonight. Download now and experience the difference. --- Terms of Use: https://www.apple.com/legal/itunes/appstore/dev/stdeula/ Privacy Policy: https://www.zenbyte.app/sleepsounds/privacy.html

Screenshots

MonkeyBrain4 screens
White Noise & Sound Machine4 screens

Verdict

The call

The clearest difference is in-app purchases: MonkeyBrain at none against White Noise & Sound Machine's 4. MonkeyBrain also leads on update cadence (daily vs every 8 days). White Noise & Sound Machine's advantage is iOS requirement (15.0 vs 17.6). On price, review sentiment, ads 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

Both are free to download. White Noise & Sound Machine sells 4 in-app purchases, starting at $2.99 per 7 days. MonkeyBrain asks for nothing beyond the download.

UpkeepUpdate frequency

MonkeyBrain ships an update daily, White Noise & Sound Machine every 8 days. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
MonkeyBrain versus White Noise & Sound Machine: the parameters behind the verdict, then further details
ParameterMonkeyBrainWhite Noise & Sound Machine
PriceFreeFree
Rating—4.7 (11 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—11 — better
Update frequencyDaily — betterEvery 8 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.0 — better
Further details — not scored
Size58 MB107 MB
Age rating4+4+
DeveloperALEXANDER MICHAEL THADDAU VON WASIELEWSKIZENBYTE DIJITAL TEKNOLOJILER LIMITED SIRKETI

Customer experience

MonkeyBrain

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

White Noise & Sound Machine

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MonkeyBrain

No in-app purchases

4 purchases

White Noise & Sound Machine

Subscriptions3
  • Premium Weekly$2.997 Days
  • Premium Monthly$5.991 Month
  • Premium Yearly$19.991 Year
One-time1
  • Premium Lifetime$39.99

Questions

Is MonkeyBrain free?
MonkeyBrain is free to download, with no in-app purchases.
Is White Noise & Sound Machine free?
White Noise & Sound Machine is free to download, with in-app purchases available.
Do MonkeyBrain or White Noise & Sound Machine have ads?
Neither MonkeyBrain nor White Noise & Sound Machine shows ads.
Which is updated more often, MonkeyBrain or White Noise & Sound Machine?
MonkeyBrain ships an update daily, and White Noise & Sound Machine every 8 days. Most recently, MonkeyBrain was updated on October 9, 2026 and White Noise & Sound Machine on October 25, 2026.

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