prostir zvuku
A spatial nature sound mixer for Mac and iPhone that creates immersive environments for focus and relaxation.
Recommended for
- Solo / Indie
- Idea-Stage
- Pre-Seed
- Seed
SSIE
Stage Fit Recommendations
Following data shows why prostir zvuku is recommended for listed teams. The Fit Score represents the percentage fit of prostir zvuku to each company stages, as calculated by the SSIE.
Stage
Fit Score
Fit Reasons
Solo / Indie
$0–$2,000 MRR
92- Arrange nature sounds on a spatial canvas
- Install and start without configuration
- Free plan covers a solo founder at no cost
Idea-Stage
$0
92- Playback works without an internet connection
- Unlock the full library and unlimited layers
- Free plan covers 1 user at no cost
Pre-Seed
$0–$10k MRR
85- Sync saved rooms across Mac and iPhone
- Email support targets replies within two days
- Free plan covers about 2 users at no cost
Seed
$10k–$100k MRR
77- Use the app on Mac and iPhone
- Set long timers with gradual sound fade-outs
- Free plan covers about 3 users at no cost

Description
prostir zvuku is a spatial nature sound mixer for Mac and iPhone. It allows users to build a quiet room around them using sounds like rain, fire, ocean, wind, and birds. The app features a spatial canvas where users can place each sound where it belongs. The room can be controlled from the notch or menu bar on Mac and from the lock screen or Dynamic Island on iPhone. The app includes gentle endings, where the scene fades out gradually when a timer is set. Optional head tracking works with supported AirPods. The app syncs across devices using iCloud.
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