Comparison

SISU vs BioScore

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

Head to head
About

SISU

Features
Read full description

Sisu helps you build resilience through cold exposure, heat therapy, breathwork, and mindfulness meditation. Track your progress, follow guided sessions, and develop the mental fortitude to push through discomfort. COLD PLUNGE & ICE BATH TRACKING β€’ Automatic plunge detection with Apple Watch β€’ Real-time heart rate monitoring during sessions β€’ Track water temperature and duration β€’ Voice guidance to calm your mind in the cold β€’ See your steadiness score improve over time SAUNA & HEAT THERAPY β€’ Log sauna sessions with temperature tracking β€’ Monitor heart rate and recovery metrics β€’ Guided breathing to maximize heat benefits β€’ Track contrast therapy (hot/cold) routines GUIDED BREATHWORK β€’ Cyclic Hyperventilation breathing exercises β€’ Box breathing for stress relief β€’ Custom breath patterns and holds β€’ Audio guidance with calming soundscapes β€’ Track breath hold times and rounds MINDFULNESS & MEDITATION β€’ Stillness practice with gentle guidance β€’ Focus on steadiness and presence β€’ Perfect complement to cold exposure APPLE WATCH COMPANION β€’ Start sessions directly from your wrist β€’ Live heart rate during plunges and saunas β€’ Haptic cues for breathing exercises β€’ Complications for quick access HEALTH & INSIGHTS β€’ Sync with Apple Health for HRV and sleep data β€’ Weekly progress reports and trends β€’ See how cold exposure affects your recovery β€’ Track consistency streaks and goals MULTI-STEP ROUTINES β€’ Create custom flows combining practices β€’ Contrast therapy templates (sauna β†’ cold plunge) β€’ Morning routines with breathwork + cold PRO FEATURES β€’ Unlimited sessions (free tier: 3/month) β€’ Premium soundscapes (rain, thunder, forest) β€’ Full session history β€’ Advanced health insights β€’ Voice guidance in 9 languages β€’ Apple Watch app Whether you're training for cold water swimming, optimizing your sauna routine, or building a daily breathwork practice, Sisu gives you the tools to develop true resilience. The name "Sisu" comes from Finnish and represents extraordinary determination and courage in the face of adversityβ€”exactly what you need to embrace the cold. Start your journey to steadiness today. Terms of Use: https://www.sisu.ing/terms Privacy Policy: https://www.sisu.ing/privacy

About

BioScore

Features
Read full description

Your lab results are "within range"? That's not enough. Standard lab ranges only tell you that you're not sick. BioScore goes further: our optimal ranges, based on functional medicine research, reveal your true level of health. HOW IT WORKS 1. Import your blood work (PDF or photo) 2. AI automatically extracts your results 3. BioScore analyzes each biomarker against ranges more precise than your lab's 4. You get an overall health score out of 100 WHAT BIOSCORE GIVES YOU > A clear, objective health score Every biomarker is rated on 4 levels: optimal, suboptimal, needs attention, critical. No more gray areas. > Tracking over time Compare your blood work and see how each marker evolves to measure the impact of your actions. > Personalized protocols Get supplement recommendations tailored to your results, factoring in your current medications and potential interactions. > Smart supplement timing Know what to take, when, and how, with personalized reminders for morning, noon, and night. WHO IS IT FOR? BioScore is for anyone who wants to go beyond their doctor's "everything looks fine." Whether you want to optimize performance, take charge of your health, or invest in your longevity, BioScore turns your lab results into a concrete action plan. 200+ biomarkers covered, including complete blood count, TSH, lipid panel, hormones, vitamins, and more. Available in English and French. DISCLAIMER BioScore is an informational and tracking tool. It is not a substitute for the advice of a doctor or healthcare professional. Always consult a qualified healthcare professional for medical advice, diagnosis, or treatment. The information provided by BioScore does not constitute medical advice. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.bioscore-app.com/en/privacy-policy

Screenshots

SISU4 screens
BioScore4 screens

Verdict

The call

The clearest difference is update cadence: BioScore at every 3 days against SISU's fortnightly. BioScore also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. SISU sells 3 in-app purchases, starting at $6.99 per month and BioScore sells 2 in-app purchases, starting at $17.90 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SISU ships an update fortnightly, BioScore every 3 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

Scorecard2 real differences Β· 4 level
SISU versus BioScore: the parameters behind the verdict, then further details
ParameterSISUBioScore
PriceFreeFree
Update frequencyFortnightlyEvery 3 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Apple Watch β€” betteriPhone, iPod
Requires iOS26.015.1 β€” better
Further details β€” not scored
Size163 MB80 MB
Age rating4+17+
DeveloperJulie NixonSHM GLOBAL LLC

In-app purchases

3 purchases

SISU

Subscriptions2
  • SISU Pro$6.991 Month
  • SISU Pro$34.991 Year
One-time1
  • Sisu Pro Lifetime$69.99
2 purchases

BioScore

Subscriptions2
  • BioScore Pro Weekly$17.907 Days
  • BioScore Pro Yearly$49.991 Year

Questions

Is SISU free?
SISU is free to download, with in-app purchases available.
Is BioScore free?
BioScore is free to download, with in-app purchases available.
Do SISU or BioScore have ads?
Neither SISU nor BioScore shows ads.
Which is updated more often, SISU or BioScore?
SISU ships an update fortnightly, and BioScore every 3 days. Most recently, SISU was updated on October 8, 2026 and BioScore on October 6, 2026.

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