brid.zzz vs SleepisolBio
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
brid.zzz
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brid.zzz is a mental health management solution that helps to nurture my mind. By using it consistently three times a day, you can create your own mental routines. Real-time measurements of brainwaves and synchronized soundtracks help restore peace of mind amidst daily stress, tension, anxiety, and insomnia. [Mental Routine] Utilize brainwave and breath control sounds suited for moments in daily life when you may feel tense, anxious, stressed, or unable to sleep, maintaining optimal mental well-being. [Focus Routine] Experience the joy of immersion with specially designed binaural beat soundtracks by brid.zzz. [Sleep Tracker] Real-time brainwave monitoring continues not only during the day but also throughout the night. brid.zzz provides special sleep care sounds tailored to your state, improving sleep quality. Analyzing measured brainwaves, the sound automatically stops when you fall asleep, guiding you into deeper sleep. It detects sleep stages, positions, and tossing and turning, revealing even unknown sleep habits. [Personalized Solutions] Through the analysis of brainwave and lifestyle data, it offers tailored mental solutions optimized for your daily life and state. *The brid.zzz app is available for use after registering brid.zzz by LG Labs product. *brid.zzz is not a medical device, and the product's effectiveness may vary depending on the individual.
SleepisolBio
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Get Personalized Sleep Management for Free! Enjoy a comprehensive suite of sleep management features, absolutely free and without any restrictions. Completely Free, No Limits! Access all content without ads, subscriptions, or paywalls. β’ Sleep Therapy: 48 Sound Therapy tracks (12 each for Sleep, Focus, Healing, and Stress Relief) β’ Mindfulness Content: - 6 Sound Therapy Tracks - Brain Wave Therapy: 16 Theta waves, 24 Alpha waves, 24 Beta waves, 32 Gamma waves All MP3 audio files in the Sleepisol Bio app are produced in high-quality 320kbps, 48kHz stereo. β’ Bedtime Stories: 6 classic tales - Snow White and the Seven Dwarfs - Hansel and Gretel - The Three Little Pigs - Jack and the Beanstalk - Cinderella - The Swan Princes β’ Real-time Generated Sound-based Therapy: - Monaural beats - Binaural beats - Isochronic tones Your Sleep Data, Front and Center We prioritize displaying the information you need, not intrusive ads or subscription prompts. Sleepisol Bio places your sleep analysis data prominently at the top of the home screen. The Ultimate Personalized Sleep Management System Sleep health is important not just when youβre asleep, but also throughout your entire day. Our app analyzes your sleep tracking data to automatically recommend the most suitable therapy features based on your individual circadian rhythm. With just a few taps, you can access personalized sleep management tools tailored to your unique needs. Personalized Therapy via Real-time Biofeedback Sleepisol Bio analyzes your real-time heart rate data to provide the most effective personalized therapy. Wake Up to a Happier Morning with Our Diverse Alarm Selection A smooth morning wake-up is crucial for overall sleep health. Sleepisol Bio offers a wide range of alarm options, including special alarms for holidays and birthdays. β’ 30 General Alarms β’ 18 Brain Wave Alarms (to gently stimulate your mind) β’ 10 Christmas Alarms β’ 10 New Year's Alarms β’ 10 Birthday Alarms Gentle Brain Activation with Engaging Missions Sleepisol Bio offers three wake-up missions to gently ease you into your day. These light hand and brain warm-up exercises help you naturally transition from sleep to wakefulness. β’ Hand Motion Wake-up: wake up with simple hand motion recognition. β’ Math Wake-up: wake up with simple calculations. β’ Sleep Info Wake-up: wake up with quizes that present your own sleep information. Sleepisol Bio strives to be your personal sleep expert. β’ For enhanced features, the app is compatible with the Apple Watch and Leesol's Sleepisol Device. β’ Sleepisol Bio is not intended for medical use. β’ Sleepisol Bio stores and processes all data locally on your device.
Screenshots
Verdict
The clearest difference is update cadence: SleepisolBio at every 10 days against brid.zzz's every 3 weeks. brid.zzz's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
brid.zzz ships an update every 3 weeks, SleepisolBio every 10 days. The most recent releases landed on September 28, 2026 and October 11, 2026 respectively.
| Parameter | brid.zzz | SleepisolBio |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 10 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch β better |
| Requires iOS | 13.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 78 MB | 1.1 GB |
| Age rating | 4+ | 4+ |
| Developer | SLEEPWAVE INC. | leesol |
In-app purchases
brid.zzz
No in-app purchases
SleepisolBio
No in-app purchases









