Comparison

Deep Decibels vs Ototabi

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

Head to head
About

Deep Decibels

Features
Read full description

Deep Decibels is your sound laboratory to focus, sleep, meditate, or calm your pets and babies. Combine lyric-free tracks (lo-fi, jazz, classical, and more) with binaural, isochronic, and monaural beats, plus ambient sounds like rain, crackling fire, or birdsong. All at once, blended into the perfect mix for your mood. Why you’ll love it β€’ Create your own mix Drag and drop multiple audio layers β€” adjust volume and balance individually β€” and save your personal sound recipes. β€’ Scientifically designed sounds Binaural and isochronic tones based on alpha, beta, theta, delta, and gamma frequencies for focus, relaxation, or deep sleep. β€’ Curated library Ready-made playlists for studying, meditating, working, easing anxiety, or keeping your furry friend calm when home alone. β€’ Share your creations Publish your mixes (optional) and discover favorites from the community. Premium Plan (Deep Decibels Premium) β€’ Ad-free audio β€’ Create playlists and custom binaural, isochronic, and monaural beats β€’ Access to premium sounds Notice Deep Decibels is a wellness tool and is not a substitute for professional medical advice. If you have health concerns, please consult a specialist. Download Deep Decibels today and design your sound sanctuary: distraction-free study, deep sleep, and moments of calm β€” all in one app. Privacy Policy: https://deepdecibels.com/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Ototabi

Features
Read full description

Travel the world in a single tap. Your journey through sound starts here. Ototabi is an immersive ambient sound app that brings the atmosphere of cities and nature from around the world to life, with high-quality soundscapes and beautiful pixel art. It's more than background noise. A rainy night in Tokyo. Fog drifting through London. The glow of New York's streets. The depths of the Amazon rainforest. The calm of the seaside and the crackle of a campfire. Travel by ear and hear what each place feels like right now. β–  HEAR THE WORLD, JUST AS IT IS Choose a city or a place in nature, and its atmosphere surrounds you instantly. Sounds change with the local time of day, the weather and the season, so it feels like you're really there. β–  DON'T JUST LISTEN. MIX YOUR OWN. Rain, wind, city, nature, water and fire. Layer sounds freely and fine-tune each one to create your own mix: sounds for focus, sounds for sleep, sounds for a quiet night in. β–  CITIES AND NATURE, ALL IN ONE APP Tokyo, London, New York, ReykjavΓ­k and the Amazon. Plus a rainy town, the ocean, a mountain summit, a campfire, the tropics and more. Pick the scene that fits your mood today. β–  SAVE YOUR GO-TO SOUNDS Save the mixes you love to Favorites, and play your own world of sound anytime, for any mood or moment. β–  AS CALMING TO LOOK AT AS IT IS TO HEAR Your sounds come with pixel art scenes that change throughout the day. Ototabi isn't just another background music app. It's a sound experience you can see. β–  PERFECT FOR YOU IF YOU WANT TO β€’ Relax with rain sounds and nature sounds β€’ Find background sounds for work, study or focus β€’ Quiet your mind before sleep β€’ Soak up the atmosphere of cities and nature β€’ Create your own ambient sound mix β€’ Enjoy an immersive way to feel the world Quiet nights. Mornings when you need to focus. Afternoons when you need a reset. Bring a little "travel by sound" into every day. Carry the sounds of the world with Ototabi. ABOUT AUTO-RENEWABLE SUBSCRIPTIONS Ototabi offers Premium features through an auto-renewable subscription. Payment will be charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscription in your App Store account settings after purchase. Privacy Policy: https://sasakyy.com/ototabi/privacy Terms of Use: https://sasakyy.com/ototabi/terms

Screenshots

Deep Decibels4 screens
Ototabi4 screens

Verdict

The call

The clearest difference is ads: Deep Decibels at none against Ototabi's shown. Deep Decibels also leads on update cadence (every 2 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Deep Decibels sells 2 in-app purchases, starting at $2.99 per month and Ototabi sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Deep Decibels ships an update every 2 weeks, Ototabi every 3 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard2 real differences Β· 4 level
Deep Decibels versus Ototabi: the parameters behind the verdict, then further details
ParameterDeep DecibelsOtotabi
PriceFreeFree
Update frequencyEvery 2 weeks β€” betterEvery 3 months
AdsNo β€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 β€” better
Further details β€” not scored
Size109 MB175 MB
Age rating17+4+
DeveloperAlejandro Cerrillo GutierrezRyogo Owashi

In-app purchases

2 purchases

Deep Decibels

Subscriptions2
  • Premium Access1 Month trial$2.991 Month
  • Premium Access1 Year trial$19.991 Year
2 purchases

Ototabi

Subscriptions1
  • γ‚ͺγƒˆγ‚Ώγƒ“ Premium3 Days trial$0.991 Month
One-time1
  • γ‚ͺγƒˆγ‚Ώγƒ“ Premium$22.99

Questions

Is Deep Decibels free?
Deep Decibels is free to download, with in-app purchases available.
Is Ototabi free?
Ototabi is free to download, with in-app purchases available.
Do Deep Decibels or Ototabi have ads?
Ototabi shows ads; Deep Decibels does not.
Which is updated more often, Deep Decibels or Ototabi?
Deep Decibels ships an update every 2 weeks, and Ototabi every 3 months. Most recently, Deep Decibels was updated on October 25, 2026 and Ototabi on October 31, 2026.

Other comparisons