Deep Decibels vs Tomoshibi
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Deep Decibels
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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 youβll 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/
Tomoshibi
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You're alone. But not lonely. Tomoshibi is a quiet, candle-lit study room for the late-night hours β a calm place to focus, alone, together. By night you light a candle; by day, a stick of incense. For as long as your light stays lit, that's tonight's work, quietly recorded. No badges, no nagging notifications. Just one small light, glowing beside you. And somewhere out there, someone else is lighting theirs too. A stranger you'll never meet, sharing the same night. That quiet presence makes the hours feel a little less lonely. FOR NIGHTS LIKE THESE - Working on a side project after your day job - Studying for a certification, quietly and steadily - Giving yourself a little time on a tiring night - Wanting to focus alone β without feeling completely alone WHAT YOU CAN DO - Light β a candle or incense to quietly track your focused time - Everyone's Night β sense the lights of others glowing somewhere tonight - Ambient sound β rain, the quiet of night, a distant campfire; choose tonight's backdrop - Tonight's intention β write one line, then gently reflect at the end - Nice work β send and receive a soft "nice work" with a stranger - Your record β the nights you light quietly add up on your calendar WHAT TOMOSHIBI LEAVES OUT β ON PURPOSE - No leaderboards or rankings - No guilt-tripping streaks that punish you for missing a day - No trees, points, or games that turn focus into competition - No video calls or real-name social Tomoshibi isn't about competing. It's about quiet company. We'll never compare your pace to anyone else's. LIGHT, AND MORE (TOMOSHIBI PREMIUM) - All music (Lo-fi, Calm, Wa, and more β 6 genres) - All ambient sounds (ocean, campfire, the quiet of night, and more) - All backgrounds (9 themes + custom color with "Today's Mood") - Pomodoro and interval timers - Unlimited session history - A monthly "Poem of Light" and a shareable card - Offline playback New here? Try Premium free for 7 days. ABOUT SUBSCRIPTIONS - Tomoshibi Premium (Monthly): $3.99 / month - Tomoshibi Premium (Annual): $29.99 / year (about $2.49 / month) - 7-day free trial included - Payment is charged to your Apple ID at confirmation of purchase - Your subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period - Manage or cancel anytime in your App Store account settings - Terms of Use: https://tomoshibi.askwhite.jp/en/terms.html - Privacy Policy: https://tomoshibi.askwhite.jp/en/privacy.html No need for words. Just be here, in the same night. Light one, gently β tonight, at your own pace.
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Verdict
The clearest difference is iOS requirement: Tomoshibi at 15.0 against Deep Decibels's 17.6. On price, update cadence, ads and in-app purchases 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
Both are free to download. Deep Decibels sells 2 in-app purchases, starting at $2.99 per month and Tomoshibi sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Deep Decibels ships an update every 2 weeks, Tomoshibi fortnightly. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.
| Parameter | Deep Decibels | Tomoshibi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Fortnightly β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.0 β better |
| Further details β not scored | ||
| Size | 109 MB | 81 MB |
| Age rating | 17+ | 4+ |
| Developer | Alejandro Cerrillo Gutierrez | Daishi Sugawara |
In-app purchases
Deep Decibels
- Premium Access1 Month trial$2.991 Month
- Premium Access1 Year trial$19.991 Year
Tomoshibi
- Monthly Plan7 Days trial$2.991 Month
- Annual Plan7 Days trial$24.991 Year
Questions
Is Deep Decibels free?
Is Tomoshibi free?
Do Deep Decibels or Tomoshibi have ads?
Which is updated more often, Deep Decibels or Tomoshibi?
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