Comparison

Bio vs CortiCoach

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

Head to head
About

Bio

Features
Read full description

Still wired at midnight? Bio-Rhythm is the science-based caffeine tracker built for people who refuse to trade tomorrow's sleep for today's coffee. Every coffee, tea, or energy drink you log is plotted on a real-time decay curve based on your personal metabolism. You'll see exactly how much caffeine is still in your system — and exactly when it will be safe to sleep. — PROTECT YOUR SLEEP — Get a precise countdown to your safe-sleep time. No more guessing whether that 3pm latte will haunt you at 1am. — TRACK CAFFEINE IN REAL TIME — Watch your caffeine level rise and fall on a beautiful decay chart, powered by the same exponential half-life formula used by sleep scientists. — SCORE YOUR SLEEP READINESS — Get a daily Bio-Rhythm Score from 0–100. Build streaks of "perfect nights" and see your 7-day trend at a glance. — LOG ANY DRINK IN SECONDS — 27+ preloaded beverages — espresso, americano, matcha, Red Bull, Monster, 5-Hour Energy, Coke and more. Or add your own custom drink. — HIT YOUR FOCUS ZONE (Premium) — Smart dosing recommendations tell you exactly when to drink your next coffee for peak focus — and when to stop so your sleep is protected. — BUILT FOR BIO-HACKERS — Premium unlocks custom half-life (1–12 hours) and sleep sensitivity threshold (0–100mg) so the math matches your body, not an average. — PRIVATE BY DESIGN — All your data stays on your device. No accounts, no cloud, no tracking. Stop sabotaging your sleep. Start tracking with Bio-Rhythm. — PREMIUM — Bio-Rhythm Premium unlocks: • Custom caffeine half-life • Custom sleep threshold • Focus Flow dosing recommendations • Ad-free experience Bio-Rhythm is free to download and use. To unlock the full "Bio-Hacker Engine," we offer three auto-renewing subscription options: Weekly Espresso: $1.99 per week Monthly Steady: $5.99 per month Yearly Bio-Hacker: $29.99 per year (Best Value) Privacy : https://cofeetracker.xn--hn-vrab.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CortiCoach

Manage chronic stress with this app that uses your body's signals. Track stress patterns via HRV and sleep data, then learn proven techniques through interactive lessons and gamified rewards. Build lasting habits for a calmer, more energized life.

Highlights
  • HRV and sleep data tracking
  • Gamified stress management lessons
  • Personalized stress insights
  • Daily challenges and progress tracking
  • Streak and XP rewards
  • Privacy-focused on-device data storage
Read full description

Struggling with chronic stress that disrupts your sleep and energy? CortiCoach transforms stress management into an engaging daily practice using your body's natural signals. Track your stress patterns through HRV and sleep data, then master proven techniques through gamified lessons. Build lasting habits with streaks and XP rewards that make stress reduction feel like progress, not pressure. Many users report feeling calmer with consistent daily practice. Shows your latest HRV from Apple Health (Apple Watch supported), personalized stress insights, 50+ interactive lessons, daily challenges, progress tracking, and sleep pattern analysis. Your data stays private and secure on your device. Start your stress-free journey today.

Screenshots

Bio3 screens
CortiCoach4 screens

Verdict

The call

The clearest difference is update cadence: CortiCoach at every 8 days against Bio's every 2 months. Bio's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases 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. Bio sells 3 in-app purchases, starting at $1.99 per 7 days and CortiCoach sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Bio ships an update every 2 months, CortiCoach every 8 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Bio versus CortiCoach: the parameters behind the verdict, then further details
ParameterBioCortiCoach
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size42 MB21 MB
Age rating4+17+
DeveloperThomas FerrerAashik Singh

In-app purchases

3 purchases

Bio

Subscriptions3
  • weekly subscrition$1.997 Days
  • monthly subscrition$5.991 Month
  • yearly subscription$29.991 Year
4 purchases

CortiCoach

Subscriptions2
  • Pro Monthly7 Days trial$2.991 Month
  • Pro Annual7 Days trial$24.991 Year
One-time2
  • Lifetime$9.99
  • Lifetime Access$12.99

Questions

Is Bio free?
Bio is free to download, with in-app purchases available.
Is CortiCoach free?
CortiCoach is free to download, with in-app purchases available.
Do Bio or CortiCoach have ads?
Neither Bio nor CortiCoach shows ads.
Which is updated more often, Bio or CortiCoach?
Bio ships an update every 2 months, and CortiCoach every 8 days. Most recently, Bio was updated on October 30, 2026 and CortiCoach on November 5, 2026.

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