SleepNoize vs .shush
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SleepNoize
This app generates calming ambient sounds and binaural beats to help users fall asleep, focus, or relax. It offers multiple sound profiles, a smart sleep timer with fade-out, and efficient background audio. Designed for all-night use, it supports 13 languages and requires headphones for binaural beats.
- Calming ambient sound profiles
- Binaural beats for mental states
- Smart sleep timer with fade-out
- Efficient background audio
- Seamless looping
- 13 language support
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Sleep better with SleepNoize. SleepNoize generates calming ambient sounds to help you fall asleep, stay focused, or simply unwind. Choose from five carefully crafted sound profiles, set a sleep timer, and let the app do the rest. FIVE SOUND PROFILES • White Noise — Equal intensity across all frequencies, great for blocking distractions • Pink Noise — Balanced and deeper, like steady rainfall • Brown Noise — Deep, rumbling low-frequency sound for heavy sleepers • Fan — Realistic oscillating fan with natural blade variation • Ocean — Waves crashing on shore with an organic, never-repeating feel BINAURAL BEATS Layer binaural beats over any sound to guide your brain into specific mental states: • Delta (2 Hz) — Deep sleep and meditation • Theta (6 Hz) — Light sleep and deep relaxation • Alpha (10 Hz) — Relaxation and stress relief • Beta (20 Hz) — Focus and concentration Requires headphones for the binaural effect. SMART SLEEP TIMER Set a timer for 15, 30, 60, or 90 minutes with a configurable fade-out so the audio stops gently — no sudden silence to wake you up. DESIGNED FOR ALL-NIGHT USE • Seamless looping with no gaps or clicks • Efficient background audio that won't drain your battery • Lock screen widget to see playback status at a glance • Works with headphones, speakers, or your device's built-in audio 13 LANGUAGES English, Spanish, French, Italian, German, Brazilian Portuguese, Swedish, Norwegian, Danish, Korean, and Japanese — with both European and regional variants for Spanish and French. SleepNoize is simple by design. No accounts, no subscriptions, no ads. Just press play.
.shush
This app generates unique, real-time synthesized soundscapes to mask disruptive noises, promoting deeper sleep and enhanced focus. It intelligently analyzes your environment to create optimal audio at lower volumes and includes features for tinnitus relief and guided breathing.
- Real-time synthesized soundscapes
- Room acoustic analysis
- Smart sleep timer
- Tinnitus notch therapy
- Guided breathing exercises
- Adaptive audio optimization
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Shush the noise. Every noise app fights your room. Shush works with it. Quieter sound. Deeper sleep. WHAT MAKES SHUSH DIFFERENT • Works With Your Room, Not Against It Shush listens to your space and identifies the frequencies already there — HVAC hum, traffic, fans, appliances. Then it only generates what's missing. The result: full spectrum sound at lower volume, because your room is doing some of the work. No other noise app does this. • Helps You Fall Asleep, Then Gets Out of the Way Research shows broadband noise helps you fall asleep 38% faster. But the same research shows continuous noise all night costs you up to 19 minutes of REM sleep. .shush's smart timer helps you drift off, gently fades, then stops — so your brain can rest properly. • Synthesized in Real Time. No Loops. Ever. Every moment is mathematically unique. No recordings, no samples, no repeat points. Generated live using Apple's professional audio framework at 32-bit float. Your brain can't latch onto a pattern because there isn't one. • Adapts to Your Device .shush detects whether you're using iPhone speakers, headphones, or Bluetooth and optimizes the output for each. Warm and full on small speakers. Deep and rich in headphones. The same audio can't sound great everywhere — so we adapt. • Tinnitus Notch Therapy Match your tinnitus pitch for each ear independently. Set the filter width. The app removes those frequencies from the noise, based on clinical notched sound therapy research. A genuine therapeutic tool, not a preset. FEATURES Four noise types: brown, pink, green, white — all synthesized, never looped Smart sleep timer with gentle fade (research-backed approach to protect REM) Room acoustic analysis and spectral compensation Tinnitus frequency finder and per-ear notch filter Guided breathing (4-7-8, box, calm, relax) Automatic device detection and optimization Smooth tone control (never harsh) Background audio Dark and light modes No ads, ever WHY .SHUSH EXISTS A 2026 Penn Medicine study found that continuous pink noise at typical volume reduced REM sleep by 19 minutes per night — over 60 hours of lost REM per year. Every noise app on the market generates the same full broadband signal regardless of your room, forcing you to turn it up louder to compensate. Louder noise means worse sleep. Shush takes a different approach. By reading your room's existing sound and only adding what's missing, it achieves effective coverage at significantly lower volume. Sound when you need it. Silence when you don't. PERFECT FOR Sleep — fall asleep faster with low-level broadband that fades out to protect your REM Focus — block distractions and enter flow state Tinnitus — clinical notch therapy with per-ear frequency matching Baby Sleep — lower volume by design, with AAP-safe guidelines built in Travel — every hotel room sounds different, .shush adapts Relaxation — guided breathing paired with gentle noise to wind down BUILT DIFFERENT Shush uses vDSP Accelerate, Apple's professional signal processing framework. Every sample is generated using mathematically precise algorithms. Stereo channels are independently generated and decorrelated for natural spatial width. Processing is hardware-accelerated for minimal battery impact. Sound, shaped for you. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use: https://shushapps.com/terms Privacy: https://shushapps.com/privacy
Screenshots
Verdict
The clearest difference is price: .shush at Free against SleepNoize's $0.99. .shush also leads on update cadence (every 4 days vs every 5 weeks) and ratings volume (10 vs 3). SleepNoize's advantage is in-app purchases (none vs 4) and rating (5.0 vs 4.6). On review sentiment, ads, device support and iOS requirement 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
.shush is free to download; SleepNoize costs $0.99 up front. .shush sells 4 in-app purchases, starting at $0.99 per month. SleepNoize asks for nothing beyond the download.
SleepNoize holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 3 and 10 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
SleepNoize ships an update every 5 weeks, .shush every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | SleepNoize | .shush |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (3 ratings) — better | 4.6 (10 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 10 — better |
| Update frequency | Every 5 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 16.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Core Dump Software LLC | David Bennett |
Customer experience
SleepNoize
.shush
In-app purchases
SleepNoize
No in-app purchases
.shush
- Shush Premium7 Days trial$0.991 Month
- Shush Premium — Monthly3 Days trial$2.991 Month
- Shush Premium — Yearly7 Days trial$19.991 Year
- Shush Premium — Lifetime$49.99









