Unrush vs Stack Genius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unrush
This app uses generative AI and real artist music to create personalized soundscapes for focus, sleep, and relaxation. It proactively adapts to your environment and mood, offering a distraction-free experience to combat fatigue and anxiety.
- Proactive sensing with environmental data
- Generative AI sound engine
- Emotional frequency tuning
- Customized musical journeys
- Science-backed audio for brain fatigue
- Minimalist, distraction-free UI
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Unrush is not built around searching for music. It is built around serving your intention. By reading signals such as heart rate, HRV, weather, light, and daily rhythms, Unrush recommends sound that better matches your body, mind, and environment. Adaptive Sound Your state changes throughout the day, and your sound should change with it. Unrush can adapt recommendations using context signals such as heart rate, HRV, weather, light, time of day, and personal rhythm — then shape them into a continuous, adaptive sound flow that keeps moving without forcing you to restart, search, or choose the next track. Science-Informed Design Unrush is inspired by research on attention, stress recovery, sleep quality, rhythm, cognitive load, and auditory stimulation. Its sound design uses low-distraction and rhythm-informed principles to support your state without pulling attention away. Simple Interaction Unrush is built to reduce searching, switching, and decision fatigue. Start a journey quickly, make simple adjustments when needed, and return to what you were doing. Human-Curated Music Unrush combines human-curated, no-lyrics music with AI-guided sound planning, creating a listening experience that feels intentional, calm, and easy to stay with. Instead of fixed loops or playlist endings, Unrush is built for continuous flow — music that can keep evolving with your state. Benefits of Unrush - Support focus during work, study, writing, coding, and deep sessions - Calm the mind after stress, scrolling, or overstimulation - Recover from fatigue, long workdays, workouts, or emotional overload - Wind down before sleep with a softer transition into rest - Support walking, running, workouts, and daily movement - Reduce playlist searching, skipping, and repeated phone checking - Create simple reset moments throughout the day Unrush is designed for people who want sound to support a more mindful life without turning mindfulness into another task to manage. Most audio apps ask you to choose what to play. Unrush helps you choose how you want to feel. Key features: - Adaptive sound journeys and continuous music flows for focus, calm, recovery, movement, and sleep - Intention-based sound planning - AI-guided recommendations based on mood, intention, heart rate, HRV, weather, light, and daily rhythm - Human-curated music designed for low-distraction listening - No-lyrics sound environments for work, study, and rest - Infinite adaptive sound flow that responds to changing state and context instead of repeating like a static loop - Mood-based controls for adjusting energy, quietness, complexity, and atmosphere - Focus sounds for deep work, writing, studying, reading, and creative flow - Calm sounds for stress, mental noise, and overstimulation - Recovery sounds for fatigue, low energy, and daily resets - Sleep preparation sounds for wind-down routines and restless nights - Movement-friendly sounds for walking, running, workouts, and morning routines - Minimal interface designed to reduce decision fatigue - Built for digital detox, calmer routines, and modern cognitive overload Premium Features - Unlimited adaptive sound journeys and touchpad - Full access to Focus, Calm, Recovery, Movement, and Sleep journeys - More UGC interactive content - More personalized sound paths - Enjoy unlimited, uninterrupted sound - New recommended scenarios and music experiences in future updates Unrush Premium is available as a monthly or annual subscription.
Stack Genius
Organize your supplement intake with this app. Track individual products, ingredients, doses, and schedules. Scan barcodes and review product details to maintain a clear record of your routine.
- Organize supplement stacks
- Scan supplement barcodes
- Review product details
- Track doses and schedules
- Log intake history
- Export supplement records
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Make sense of your supplement routine. Stack Genius helps you keep a clear, organized record of what you take—from individual products and ingredients to doses, schedules, and intake history. Use Stack Genius to: • Build and organize your supplement stack. • Scan supplement barcodes to speed up product lookup. • Review product details and ingredient information. • Track doses, schedules, reminders, and intake history. • Keep your routine in one place instead of relying on memory. • Export or share clearer supplement records when available. Stack Pro offers richer exports and advanced educational insights for people who want a deeper view of their routine. Stack Genius is for educational, organizational, and personal tracking purposes only. It does not provide medical advice, diagnosis, treatment, supplement safety clearance, or personalized dosage recommendations. Always talk with a qualified health professional about medical questions, health conditions, medications, supplement interactions, or changes to your routine. Terms of Use: https://stackgenius.com/terms Privacy Policy: https://stackgenius.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: Unrush at weekly against Stack Genius's every 6 weeks. Unrush also leads on ratings volume (28 vs 2). On price, rating, review sentiment and ads 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
Both are free to download. Unrush sells 2 in-app purchases, starting at $11.90 per month and Stack Genius sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Unrush against 5.0 for Stack Genius. That said, the two scores are not equally well evidenced: Unrush has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Unrush ships an update weekly, Stack Genius every 6 weeks. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.
| Parameter | Unrush | Stack Genius |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (28 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 28 — better | 2 |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17 | 16.4 — better |
| Further details — not scored | ||
| Size | 145 MB | 59 MB |
| Age rating | 4+ | 17+ |
| Developer | Beijing Qiyin Technology Co., Ltd | STG VENTURES LLC |
Customer experience
Unrush
Stack Genius
In-app purchases
Unrush
- Monthly Subscription7 Days trial$11.901 Month
- Annual Membership7 Days trial$41.901 Year
Stack Genius
- Stack Genius Pro Annual$19.991 Year









