# Quilence: Sleep Sounds & Focus — White Noise, Brown Noise, ADHD > White Noise, Brown Noise, ADHD (iPhone/iPad app by STEPHAN EBERLE.) - Source: https://appshunter.io/ios/app/quilence/id6755241996 (this page in markdown: same URL + `.md`) - Developer: [STEPHAN EBERLE](https://appshunter.io/developer/1735893855) - Category: Health & Fitness, Productivity - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 18.6 · 190 MB - Languages: English, French, German, Italian, Spanish - Released: 2025-12-04 - Data updated: 2026-05-14 - User reviews in markdown: https://appshunter.io/ios/app/quilence/id6755241996/reviews.md ## What is Quilence? Build your perfect acoustic environment! Quilence is not just another loop player. It is a professional-grade audio synthesizer designed to help you focus, sleep, and relax using advanced Spatial Audio technology. Whether you are a developer needing deep focus, someone managing tinnitus, or simply looking for better sleep—take full control of your soundscape with precision tools previously only found in studio software. THE ULTIMATE FOCUS STACK (Audio Layering) Combine the best of both worlds. Play your favorite playlists from Spotify, Apple Music, or Podcasts, and layer our precision noise underneath. The Problem: Dynamic music has quiet gaps where distractions (conversations, traffic) break your flow. The Solution: Quilence fills these acoustic gaps. The Result: An impenetrable "Wall of Sound" that keeps you in the Deep Work zone for hours. REVOLUTIONARY SPATIAL AUDIO  Experience noise differently. Traditional apps can feel "flat" or cause ear fatigue. Our HRTF Spatial Audio engine places sound in a 3D space around you. • 10 Scientific Layouts: From "Binaural Optimized" to "Surround" and "Bass Front". • Manual Positioning: Drag frequency bands in 3D space to reduce ear pressure. • Dynamic Morphing: Smooth, animated transitions between soundscapes. • PROFESSIONAL 10-Line Mixer Sculpt your sound with studio precision (40Hz - 16kHz). Too much rumble? Too sharp? Adjust every frequency band in real-time with zero latency. • 48kHz Studio Quality: Crystal clear audio with no compression artifacts. • Seamless Looping: Generated in real-time, so you never hear a loop point. • SCIENTIFICALLY DESIGNED PRESETS 11 curated profiles for specific needs: • ADHD Relief: Mid-range boost clinically inspired to aid concentration. • Speech Blocker: Optimized frequencies to mask office chatter and voices. • Tinnitus Mask: Precise 4-8 kHz masking for ringing ears. • Brown & Pink Noise: Deep, warm frequencies for instant relaxation. • Infra: Low-frequency texture for physical sound immersion. INCLUDED PREMIUM FEATURES • Custom Presets: Save and name your own mixes. • Background Mixing: Plays alongside any other audio source. • Smart Sleep Timer: Fade out gently; audio stops when the timer ends. • Dark Mode: Stunning OLED-optimized interface, perfect for night use. • Privacy First: No tracking, no analytics, no account required. PERFECT FOR: • Deep Work & Coding: Block out distractions. • Tinnitus Management: Customizable masking frequencies. • Sleep & Insomnia: Fall asleep faster with "Womb" or "Heavy Rain" textures. • Babies: Soothing, constant background noise. SUBSCRIPTION PRICING Quilence offers fair, transparent pricing. Choose a monthly or annual plan for full access to Spatial Audio and Custom Mixer, or unlock everything forever with a one-time Lifetime purchase. Download Quilence today and transform noise into clarity. TERMS OF USE and PRIVACY POLICY Terms of Use: https://quilence.app/terms.html Privacy Policy: https://quilence.app/privacy.html ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly Subscription | $1.99 | per month | | Annual Subscription | $17.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime Access | $39.99 | one-time | ## Version history (last 5 releases) ### 1.0.12 — 2026-04-14 Bug fixes and optimizations. • Improved audio playback stability • Performance optimizations for background playback • Minor UI improvements Questions? Visit quilence.app/support ### 1.0.11 — 2026-03-18 Sound Engine & Ecosystem Update Major audio improvements and deep Apple ecosystem integration. Sound Engine: • Natural Level Variation: subtle, organic volume fluctuations for a more living sound • Improved Spatial Audio with room ambience for richer 3D depth • Stereo width control for non-spatial playback • Fixed preset levels for more accurate factory sounds New Features: • Home Screen & Lock Screen Widgets for instant control • Apple Watch app: play, pause and switch presets from your wrist • Siri Shortcuts: "Hey Siri, play Brown Noise with Quilence" • Focus Mode integration: auto-start with Work or Sleep Focus • Sleep timer now fades out gently over 5 seconds Also Improved: • Unified subscriptions across iPhone, iPad and Mac • Smoother paywall experience • Bug fixes and stability improvements Questions? Visit quilence.app/support ### 1.0.10 — 2026-02-11 Security & Stability This update strengthens purchase security and improves stability. What's New: • Enhanced purchase verification with signed cache • Improved trial integrity across reinstalls • Stricter cache validation for subscriptions • Fixed paywall dismiss behavior Questions? Visit quilence.app/support ### 1.0.8 — 2026-01-25 Bug Fixes & Improvements This update includes minor improvements and stability fixes. Questions? Visit quilence.app/support ### 1.0.7 — 2026-01-20 Subscription Experience Improved No more unnecessary paywall prompts! What's New: • Instant Recognition: Your subscription is now recognized immediately when opening the app • Cold Start Fix: Premium status preserved even after completely closing the app • Seamless Experience: Start using Quilence without delays or restore prompts This update ensures your subscription status is always ready, right from the first second. Questions? Visit quilence.app/support ## More apps by STEPHAN EBERLE - [DopaLoop: ADHD Habit Tracker](https://appshunter.io/ios/app/dopaloop/id6758214018) - [Stevie's Blocks: Stacker Game](https://appshunter.io/ios/app/stevies-blocks/id6760539667) - [Stevie's Family Chess](https://appshunter.io/ios/app/stevies-family-chess/id6761462381) All apps by STEPHAN EBERLE: https://appshunter.io/developer/1735893855 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-14.*