Comparison

BTB Performance vs Cancer Tracker

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

Head to head
About

BTB Performance

Features
Read full description

Get more from your membership with the BTB Performance member app. Use your app to book classes, get coaching, and access on-demand classes and workouts.aGet more from your membership with the BTB Performance member app. Use your app to book classes, get coaching, and access on-demand classes and workouts.

About

Cancer Tracker

This app helps individuals manage their cancer treatment by tracking symptoms, medications, and recovery progress. It provides insights into the body's response to treatment and facilitates better communication with healthcare providers. Features include medication reminders, progress charts, and secure, exportable reports.

Highlights
  • Symptom tracking with sliders and notes
  • Treatment and medication logging
  • Side effect monitoring
  • Progress charts and analytics
  • Medication and custom reminders
  • Nutrition and hydration tracking
  • Secure, exportable reports
  • Apple Health integration
Features
Read full description

Cenira Cancer Tracker helps you monitor your treatment, symptoms, and recovery so you can stay organized and empowered throughout your cancer journey. Designed to support patients managing chemotherapy, radiation, or post-treatment recovery, Cenira connects your daily data with powerful insights to help you understand your body’s response and improve communication with your care team. Track Your Health with Precision - Easy symptom tracking - Record pain, fatigue, nausea, appetite changes, or emotional state in seconds using simple sliders and quick notes. - Treatment tracking - Log chemotherapy sessions, medications, supplements, or radiation appointments to keep your full treatment history organized. - Side effect monitoring - Track how your body responds to specific drugs or therapies and identify trends that can help your oncologist adjust your plan. - Progress charts and analytics - View your data in clear visual graphs to understand how symptoms change over time and what improves your well-being. - Medication reminders - Stay on schedule with automatic alerts for oral chemotherapy, supportive medications, or supplements. - Nutrition and hydration tracking - Monitor meal intake and fluid levels to maintain strength and reduce side effects during treatment. - Secure, exportable reports - Generate PDF or CSV summaries to share with doctors, caregivers, or clinical teams for better decision-making. - Encrypted privacy protection - Keep your data safe with strong encryption and optional Face ID or Touch ID access. Designed for Every Step of Your Journey - Simple, calming interface - Log and review your data easily, even on difficult days. - Apple Health integration - Sync activity, sleep, and vitals for a holistic view of your recovery progress. - Custom reminders - Set alerts for medications, hydration, meals, or journaling to support consistent self-care. - Correlation insights - See how treatments, rest, and nutrition affect your fatigue, mood, and pain levels. - Goal tracking - Set goals such as maintaining energy, improving appetite, or managing side effects more effectively. - Offline and cloud backup - Access and sync your health records anytime, even without an internet connection. - Frequent updates - Receive ongoing improvements and new features to make tracking easier and more effective. Go Beyond Symptom Logging - Personalized cancer tracker plan - Follow structured steps to track side effects, medications, and emotional wellness throughout your treatment cycle. - Comprehensive health journal - Combine symptoms, test results, medications, and lifestyle habits in one organized record. - Educational tools - Learn about coping strategies, self-care routines, and nutrition tips tailored to people undergoing cancer treatment. - Mind-body awareness - Track mood, anxiety, and sleep to understand how emotional health impacts recovery and treatment outcomes. Start Tracking Your Progress Today Setup takes minutes. Begin logging symptoms, treatments, and progress right away to take control of your recovery and wellness. Choose a subscription plan that suits your needs and manage it easily through the Apple Store. Cenira provides the tools you need to stay proactive, informed, and confident during every phase of your journey. Cenira Cancer Tracker turns data into strength. Stay organized, track your health, and support your recovery one entry at a time. Any insights provided by Cenira Cancer Tracker do not constitute medical advice. The app is designed for tracking purposes only and is not intended to diagnose, treat, cure, or prevent any disease or condition. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

BTB Performance3 screens
Cancer Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: BTB Performance at none against Cancer Tracker's 17. BTB Performance also leads on update cadence (every 5 weeks vs every 5 months). On price, ads, device support and iOS requirement 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. Cancer Tracker sells 17 in-app purchases, starting at $4.95 per month. BTB Performance asks for nothing beyond the download.

UpkeepUpdate frequency

BTB Performance ships an update every 5 weeks, Cancer Tracker every 5 months. The most recent releases landed on September 26, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 7 level
BTB Performance versus Cancer Tracker: the parameters behind the verdict, then further details
ParameterBTB PerformanceCancer Tracker
PriceFreeFree
Rating—4.5 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 5 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.1 — better15.5
Further details — not scored
Size40 MB218 MB
Age rating17+4+
DeveloperFit Cloud Technology LimitedDigital Therapeutics

In-app purchases

None

BTB Performance

No in-app purchases

17 purchases

Cancer Tracker

Subscriptions14
  • steady pass$4.951 Month
  • easy pass$7.997 Days
  • weather max$9.993 Months
Show 11 more
  • flex pass$18.991 Month
  • carey ai max$19.991 Month
  • yearly access$19.991 Year
  • smart pass$19.991 Year
  • limited discount$19.991 Year
  • carey ai ultra$29.991 Month
  • plus$29.991 Year
  • Premium Yearly$34.991 Year
  • yearly access3 Days trial$39.991 Year
  • Extended Trial3 Days trial$39.991 Year
  • 7-Day Trial7 Days trial$49.991 Year
One-time3
  • store credit$1.99
  • carey ai credits$8.99
  • lifetime upgrade$79.99

Questions

Is BTB Performance free?
BTB Performance is free to download, with no in-app purchases.
Is Cancer Tracker free?
Cancer Tracker is free to download, with in-app purchases available.
Do BTB Performance or Cancer Tracker have ads?
Neither BTB Performance nor Cancer Tracker shows ads.
Which is updated more often, BTB Performance or Cancer Tracker?
BTB Performance ships an update every 5 weeks, and Cancer Tracker every 5 months. Most recently, BTB Performance was updated on September 26, 2026 and Cancer Tracker on October 7, 2026.

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