Comparison

byeloop vs Cortizol Tracker

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

Head to head

byeloop

Take control and level up now

End of high cortisol

★ 4.621 ratingsView app →

About

byeloop

Features

Read full description

Break the cycle and take back control of your life. Byeloop gives you a simple 21 day journey designed to rebuild discipline and strengthen your focus. Every day you unlock a short lesson, a practical action, and a breathing exercise that resets your mind. Step by step, you create momentum and start feeling more present, more confident, and more in control. What you get • 21 day structured program • Daily lessons that build awareness and discipline • Breathing exercises to calm your mind • Progress tracking and streaks • Energy points that grow with your actions • Clean, focused interface that keeps you on track • Reminders that support your routine Why it works Byeloop is built on clarity and consistency. Small daily actions create real change. The program helps you understand triggers, build new habits, and strengthen the discipline you need to break the loop. A simple way to start fresh No distractions. No feeds. No noise. Just a clear path to a better you. Start your 21 day journey today.

About

Cortizol Tracker

This app uses AI to analyze stress levels by scanning your face, tracking food intake, sleep patterns, and cognitive performance. It provides detailed reports and personalized suggestions to help manage cortisol.

Highlights

AI facial scan for cortisol markers
Cognitive performance tests
AI food scanner with recipe suggestions
AI sleep tracking and advice
Full diagnostic report with 47 factors
Personalized recovery goals

Features

Read full description

Cortisol Tracker uses AI to analyze your stress through your face, food, sleep, and cognitive performance. FACE SCAN — AI CORTISOL DETECTION Take a selfie. Our AI detects 8 cortisol markers: facial swelling, dark circles, skin redness, jaw tension, eye fatigue, stress wrinkles, skin quality, and facial flush. Track your markers over time. COGNITIVE PERFORMANCE TESTS Two brain games measure how cortisol impacts your reflexes and working memory. Your scores are integrated into your personalized cortisol profile. FOOD SCANNER Photograph any meal. AI analyzes its impact on your cortisol — with anti-cortisol recipe suggestions tailored to your level. SLEEP TRACKER Log your nights. Get AI-powered sleep advice based on your cortisol level, sleep history, and personalized recovery goals. FULL DIAGNOSTIC REPORT 47 factors analyzed across 4 domains: Sleep, Stress, Energy, Nutrition. Facial biomarkers, cognitive scores, domain recommendations, and your percentile ranking. SUBSCRIPTION OPTIONS • Monthly: $8.99/month • Yearly: $24.99/year (best value) • Lifetime: $44.99 one-time Terms of Use: https://spice-popcorn-063.notion.site/Conditions-d-Utili sation-Cortizol-Tracker-3459928aee1b80b89ceec69cf3e25af8 Privacy: https://spice-popcorn-063.notion.site/Politique-de-Confidenti alit-Cortizol-Tracker-3459928aee1b808ea009f9bce3a05683

Screenshots

byeloop4 screens

Cortizol Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: byeloop at none against Cortizol Tracker's 8. byeloop also leads on iOS requirement (15.1 vs 17.0). Cortizol Tracker's advantage is update cadence (every 11 days vs every 3 months). On price, ads and device support 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. Cortizol Tracker sells 8 in-app purchases, starting at $1.99 per 7 days. byeloop asks for nothing beyond the download.

UpkeepUpdate frequency

byeloop ships an update every 3 months, Cortizol Tracker every 11 days. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 6 level

byeloop versus Cortizol Tracker: the parameters behind the verdict, then further details
Parameter	byeloop	Cortizol Tracker
Price	Free	Free
Rating	—	4.6 (21 ratings) — better
Number of ratings	—	21 — better
Update frequency	Every 3 months	Every 11 days — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Freemium
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	15.1 — better	17.0
Further details — not scored
Size	29 MB	311 MB
Age rating	17+	12+
Developer	Alex Sassella	PMEPLUS

In-app purchases

None

byeloop

No in-app purchases

8 purchases

Cortizol Tracker

Subscriptions5

Cortisol Pro$1.997 Days
Cortisol Pro$4.991 Month
Monthly Pro$8.991 Month

Show 2 more

Cortisol Pro Yearly$24.991 Year
Cortisol Pro Yearly$49.991 Year

One-time3

Re evaluate$4.99
Cortisol Pro LifeTime$44.99
Cortisol Pro Lifetime$99.99

Questions

Is byeloop free?

byeloop is free to download, with no in-app purchases.

Is Cortizol Tracker free?

Cortizol Tracker is free to download, with in-app purchases available.

Do byeloop or Cortizol Tracker have ads?

Neither byeloop nor Cortizol Tracker shows ads.

Which is updated more often, byeloop or Cortizol Tracker?

byeloop ships an update every 3 months, and Cortizol Tracker every 11 days. Most recently, byeloop was updated on October 10, 2026 and Cortizol Tracker on October 7, 2026.