Alternatives

Products that do what Praenox — Biometric Sound Synthesis does

Sleep audio that adapts to your body every night

1
Snoozy▲116
Create relaxing compositions, sleep better every night
2023
2
Rhythm▲168
Hear, see and feel your own heartbeat
Oct 2025
3
Ambient▲135
Sleep sounds, insights, and dream journal
2025
4
Amofit S▲124
Wearable for sleep and reducing anxiety
2022
5
Hypnopedia▲311
A new way to enhance your mental health and motivation
2020
6
Snoosic▲117
A music sleep timer 😴🎶
2016
7
Somnox▲95
World’s first sleep robot to improve sleep
2017
8
SleepCycle▲112
A bio-alarm clock that analyzes your sleep pattern
2014
9
CircadiaOS▲103
Sleep optimization, minus the $3,000 mattress pod
May 2026 · circadiaos.com
10
SleepTuner▲84
Tune into your true sleep with Beddr.
2019
11
Oura Ring Gen3▲140
Better lives through better sleep.
2021
12
Serene▲82
Binaural ambient sounds to relax, focus and sleep
2019
13
Siestapp▲154
Sleep well, sharpen focus & embrace serenity
2024
14
Somno▲150
Smart sleep tracker & sleep data analyzer
2024
15
Pulsetto▲118
Reduce stress, improve sleep & relax in under 4 minutes
2023
16
Nature sound▲158
Background noise generator for work and relaxation
2016
17
Banala Sense▲76
Better sleep, only a button away
2022
18
Muse S (Gen 2)▲115
EEG powered meditation & sleep support
2021
19
Endel▲155
Personalized sounds to help you focus and relax
2018
20
Can't Sleep▲102
AI music scientifically designed for sleep
2018
21
(Not Boring) Vibes▲108
Personalized music to focus, relax & sleep
2023
22
Soundly▲80
Functional music for better sleep, focus and relaxation
2019
23
Cosleep▲73
White noise, Asmr and sleep relaxing sounds
2017
24PA
Phantas – A browser-based binaural strobe engine (Web Audio API)▲28
Hi HN, I’m a new developer with Aphantasia (no mental imagery). A side effect of this is that regaining focus after a distraction takes me a long time (the "23-minute lag"). I tried standard binaural beats, but I discovered a technical flaw: streaming compression (AAC/MP3 on Spotify/YouTube) often muddies the specific phase differences required for effective entrainment. I realized that to get effective entrainment, I needed lossless audio. Since I couldn't stream lossless easily, I decided to generate it locally. I built Phantas – a browser engine that uses the Web Audio API to…
Dec 2025 · phantas.io

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