Comparison

Zero vs Ready

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

Head to head
About

Zero

This app helps you manage stress by combining guided breathing exercises with real-time biometric data from your Apple Watch. It provides insights into your stress patterns and helps you schedule recovery moments to build resilience.

Highlights
  • Guided breathing exercises
  • Real-time biometric tracking (RHR, HRV)
  • Stress pattern analysis
  • Scheduled mindful breaks
  • Relaxation validation
  • Local data storage
Features
Read full description

Zero Rush — Your Relaxation Tracker Zero Rush helps you slow down, reset, and understand your stress. Combining guided breathing, real-time biometrics, and relaxation tracking, it gives you measurable insights into how your body responds to stress — so you can take control, not just calm down. Relaxation Tracker Discover what really helps you relax — massage, meditation, music, or silence. Track how your heart rate changes before and after each session to validate what actually works for you. Track Your Stress & Understand Your Patterns With Apple Watch, Zero Rush calculates your stress level using your latest Resting Heart Rate (RHR) and Heart Rate Variability (HRV). See when your stress increases, identify your triggers, and understand your patterns by time of day and day of the week. Breathe Better Use scientifically backed breathing methods like 4-7-8 or Box Breathing to reduce tension and improve focus. Customize your own breathing method and create the perfect rhythm for your daily breaks. Scheduled Breaks Plan your daily recovery moments. Set up smart reminders to take mindful breaks throughout the day, and reconnect with yourself for just a few minutes at a time. Privacy by Design Your data never leaves your device. Everything is stored locally and visible only to you. Zero Rush is not a medical device and does not provide diagnosis or treatment. It is intended for wellness and educational purposes only. Compatible with: iPhone & Apple Watch. Apple Watch unlocks live HRV, resting heart rate, and real-time stress tracking — Zero Rush also works without one. Stop guessing what calms you. Start knowing. Terms of Use: https://www.zero-rush.com/terms-of-use/ Privacy Policy: https://www.zero-rush.com/privacy-policy/ EULA: https://www.zero-rush.com/eula/

About

Ready

Read full description

Ready transforms your Apple Watch health data into actionable recovery insights. See at a glance whether your body is ready to perform or needs rest. DAILY SCORES • Energy Score - your daily readiness percentage based on HRV, resting heart rate, and sleep quality • Readiness Score - a recovery metric combining overnight vitals with sleep analysis OVERNIGHT VITALS • Heart Rate Variability (HRV) with personal baselines • Resting Heart Rate trends • Respiratory Rate monitoring • Blood Oxygen (SpO2) tracking • Wrist Temperature deviations • Outlier detection highlights unusual readings SLEEP ANALYSIS • Sleep duration and stage breakdown • Sleep quality scoring • Integration with Apple Health sleep data DESIGNED FOR PRIVACY • All data stays on your device - no cloud accounts, no sign-ups • Reads directly from Apple Health - your data never leaves your iPhone • No tracking, no analytics, no ads Ready works entirely with your existing Apple Watch data. No additional hardware or subscriptions required. Just connect Apple Health and start understanding your recovery.

Screenshots

Zero4 screens

Verdict

The call

The clearest difference is rating: Zero at 5.0 against Ready's 3.0. Zero also leads on device support and iOS requirement (18.5 vs 26.2). Ready's advantage is in-app purchases (none vs 3). On price and ratings volume 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. Zero sells 3 in-app purchases, starting at $1.99 per month. Ready asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Zero holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Scorecard4 real differences · 5 level
Zero versus Ready: the parameters behind the verdict, then further details
ParameterZeroReady
PriceFreeFree
Rating5.0 (1 ratings) — better3.0 (1 ratings)
Number of ratings11
Update frequencyEvery 3 weeks—
AdsNo—
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, Apple Watch — better—
Requires iOS18.5 — better26.2
Further details — not scored
Size10 MB6 MB
Age rating4+4+
DeveloperCarlos Adiel Vega Lopez8STE LTD

In-app purchases

3 purchases

Zero

Subscriptions2
  • All Access – Monthly14 Days trial$1.991 Month
  • All Access – Yearly14 Days trial$19.991 Year
One-time1
  • Lifetime All Access$89.99
None

Ready

No in-app purchases

Questions

Is Zero free?
Zero is free to download, with in-app purchases available.
Is Ready free?
Ready is free to download, with no in-app purchases.
Which has better reviews, Zero or Ready?
Zero is rated higher. Zero averages 5.0 out of 5 from 1 ratings, while Ready averages 3.0 from 1 ratings.

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