Comparison

Sleep Effect vs Prostir zvuku

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

Head to head
About

Sleep Effect

Features
Read full description

SLEEP EFFECT: YOUR ARCHITECT OF CALM. Stop fighting the silence. Whether you’re battling a racing mind, a noisy neighborhood, or the hum of tinnitus, Sleep Effect empowers you to build a personalized audio sanctuary. Using a state-of-the-art layering engine, we don't just play sounds—we help you conduct your environment. WHY SLEEP EFFECT? Unlike standard sound machines that play repetitive loops, Sleep Effect uses an organic replay engine. By introducing natural delays between sounds, we eliminate "loop fatigue," creating an unpredictable, immersive atmosphere that feels like the real world. THE CORE FEATURES: 1. AN INFINITE LIBRARY OF HIGH-FIDELITY AUDIO Curated by sound enthusiasts, our library is immersive and categorized for effortless discovery: * WATER & RAIN: Thunderstorms, mountain streams, and the ocean pulse. * THE GREAT OUTDOORS: Rustling leaves, meadow breezes, and forest nights. * WILDERNESS ECHOES: Haunting loon calls, distant gulls, and midnight owls. * COZY ELEMENTS: Crackling log fires and wind-swept cabins. * AIR & SPACE: Mountain gusts and soft drones to clear mental clutter. 2. THE CUSTOM MIX ARCHITECT Don’t just listen—create. Layer unlimited sounds simultaneously with precision control: * INDIVIDUAL VOLUME SLIDERS: Make the rain heavy, but the distant thunder faint. * NAMED FAVORITES: Save your "Rainy Cabin" mix with custom emojis for one-tap relaxation. 3. PRECISION CONTROLS & SLEEP TIMER * GENTLE FADE-OUT: Set your timer and drift off as the audio gracefully fades to silence. * MASTER PLAYER: A polished, tactile interface to pause or stop all sounds instantly. 4. ORGANIC REPLAY DELAYS Our "Natural Replay" feature allows you to add manual delays between tracks. This ensures your environment stays fresh and organic, preventing your brain from spotting a loop. DESIGNED FOR YOUR BEDSIDE: * OBSIDIAN DARK MODE: Designed to reduce eye strain and keep your room dark. * LOCK SCREEN CONTROL: Full artwork and media controls without unlocking your phone. * BACKGROUND PLAY: Keep your soundscape running while using other apps. PERFECT FOR: * DEEP SLEEP: Mask tinnitus and silence racing thoughts. * PARENTS: Create a consistent, soothing environment for babies. * DEEP WORK: Block out office distractions and reach a flow state. * MEDITATION: Ground your practice with high-fidelity nature. Transform your space. Find your frequency. Download Sleep Effect today.

About

Prostir zvuku

Features
Read full description

prostir zvuku is a spatial nature sound mixer. Build your own personal sound room for focus, rest, and sleep. Mix rain, fire, ocean, wind, birds, thunder, crickets, streams, and more on a spatial canvas. Place each sound where it feels right, save the rooms you want to return to. Features: • Place nature sounds on a spatial canvas • Adjust each sound independently • Send your soundscape to any output device • Save and switch between presets • Set a sleep timer with a gentle fade out • Use optional head tracking with supported AirPods prostir zvuku is designed to feel calm, local, and lightweight. Your presets and settings stay on your iPhone. There are no accounts and no ads in the app. The app includes a free version and an optional one-time lifetime unlock. Privacy Policy: https://prostirzvuku.app/privacy.html Terms of Use: https://prostirzvuku.app/terms.html

Screenshots

Sleep Effect4 screens
Prostir zvuku4 screens

Verdict

The call

The clearest difference is in-app purchases: Sleep Effect at none against Prostir zvuku's 1. Prostir zvuku's advantage is iOS requirement (17.0 vs 26.1). On price, 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. Prostir zvuku sells 1 one-off in-app purchase. Sleep Effect asks for nothing beyond the download.

Scorecard2 real differences · 4 level
Sleep Effect versus Prostir zvuku: the parameters behind the verdict, then further details
ParameterSleep EffectProstir zvuku
PriceFreeFree
Update frequencyFortnightly—
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, Mac
Requires iOS26.117.0 — better
Further details — not scored
Size324 MB107 MB
Age rating4+4+
DeveloperAhmed NabulsiYevhen Holota

In-app purchases

None

Sleep Effect

No in-app purchases

1 purchases

Prostir zvuku

One-time1
  • Prostir Zvuku Pro Lifetime$12.99

Questions

Is Sleep Effect free?
Sleep Effect is free to download, with no in-app purchases.
Is Prostir zvuku free?
Prostir zvuku is free to download, with in-app purchases available.
Do Sleep Effect or Prostir zvuku have ads?
Neither Sleep Effect nor Prostir zvuku shows ads.

Other comparisons