Comparison

Code 4 Pro vs Absolute Rest

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

Head to head
About

Code 4 Pro

This app collects biometric data from a wearable sensor via Bluetooth. The data is processed in the cloud and displayed to users through the phone application, providing stress information.

Highlights
  • Wearable sensor data collection
  • Bluetooth connectivity
  • Cloud data processing
  • Stress information display
  • Fitness tracking
Read full description

Code 4 Pro is a fitness app that provides stress information data to its users. It collects data from a wearable sensor via bluetooth. Captured data is processed in cloud and made available to the users in the phone app. The Code4Pro platform and related heart rate monitors do not constitute a medical device and are in no way intended to diagnose, treat, cure, or prevent any disease. While fitness devices can be valuable tools for monitoring certain biometrics, they are not as accurate as approved medical devices. You should consult a medical professional for advice.

About

Absolute Rest

This app provides a comprehensive sleep management program using an FDA-cleared testing system to analyze sleep patterns through the autonomic nervous system. It offers personalized insights and expert support to improve sleep quality and daytime performance.

Highlights
  • Comprehensive sleep assessment
  • Autonomic nervous system testing
  • Personalized insights and expert support
  • User-friendly app interface
  • Continuous monitoring of sleep parameters
Read full description

Transform Your Sleep with Clinical Precision Absolute Rest combines the capabilities of a professional sleep laboratory with the precision of sleep science to deliver the first and only comprehensive sleep management program directly to your home. Utilizing an innovative FDA-cleared testing system, designed to detect sleep patterns through the autonomic nervous system with cutting-edge technology, you'll get a comprehensive analysis of your sleep quality and personalized insights to help you achieve your best rest. Key Features: Comprehensive Sleep Assessment: Absolute Rest transforms your fingertip into a clinical sleep lab, measuring every movement, heartbeat, and breath throughout the night. Detect and analyze a wide range of sleep problems and disorders, including insomnia, sleep apnea, hyperarousal, hyperactivity, and much more with unmatched depth and clarity. Cutting-Edge Autonomic Nervous System Testing: Gain insights from your autonomic nervous system while you sleep, with precise measurements of sympathetic fragmentation, deep parasympathetic restoration, sleep-disordered breathing including apneas, hypopneas, and RERAs, the only objective and FDA cleared sleep quality index (SQI), and much more. Personalized Insights and Expert Support: Receive detailed, actionable recommendations based on your unique sleep data. Your dedicated team, including a sleep clinician, clinical psychologist, and behavioral sleep expert, tailors solutions to your specific needs. Your team actively monitors nightly data to provide real-time, personalized guidance and comprehensive management to improve your sleep health and daytime performance. User-Friendly App Interface: The Absolute Rest app makes it simple to track meaningful sleep metrics and understand your unique patterns and trends with intuitive visuals and reports available on our companion web app. Continuous Monitoring: Unlike laboratory-based sleep studies, Absolute Rest continuously monitors multiple sleep parameters over time, providing ongoing insights and adjustments to help you optimize your sleep, and energize your life. Why Choose Absolute Rest? Millions suffer from poor sleep quality, leading to fragmented sleep, fatigue, and many associated health issues. Absolute Rest goes beyond traditional sleep trackers, offering a comprehensive, clinical-grade assessment to help you uncover the root causes of your particular sleep problems. With personalized insights and expert support, you can finally achieve the deep, restorative sleep you need to perform your best every day.

Screenshots

Code 4 Pro4 screens
Absolute Rest3 screens

Verdict

The call

The clearest difference is rating: Code 4 Pro at 5.0 against Absolute Rest's 3.7. Absolute Rest's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Code 4 Pro holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Code 4 Pro ships an update every 2 months, Absolute Rest every 3 weeks. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 6 level
Code 4 Pro versus Absolute Rest: the parameters behind the verdict, then further details
ParameterCode 4 ProAbsolute Rest
PriceFreeFree
Rating5.0 (1 ratings) — better3.7 (3 ratings)
Number of ratings13 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size39 MB41 MB
Age rating12+4+
DeveloperCode 4 Pro IncAbsolute Rest, Inc

Customer experience

Code 4 Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Absolute Rest

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Code 4 Pro

No in-app purchases

None

Absolute Rest

No in-app purchases

Questions

Is Code 4 Pro free?
Code 4 Pro is free to download, with no in-app purchases.
Is Absolute Rest free?
Absolute Rest is free to download, with no in-app purchases.
Which has better reviews, Code 4 Pro or Absolute Rest?
Code 4 Pro is rated higher. Code 4 Pro averages 5.0 out of 5 from 1 ratings, while Absolute Rest averages 3.7 from 3 ratings.
Do Code 4 Pro or Absolute Rest have ads?
Neither Code 4 Pro nor Absolute Rest shows ads.
Which is updated more often, Code 4 Pro or Absolute Rest?
Code 4 Pro ships an update every 2 months, and Absolute Rest every 3 weeks. Most recently, Code 4 Pro was updated on September 28, 2026 and Absolute Rest on October 5, 2026.

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