Comparison

FUNCAP vs CFS Tracker

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

Head to head
About

FUNCAP

This app helps individuals diagnosed with ME/CFS self-evaluate and record their functional capacity. It uses questionnaires to assess various domains and can generate PDF reports, optionally including heart and movement metrics. Data is integrated with HealthKit and is not transferred elsewhere.

Highlights
  • ME/CFS functional capacity assessment
  • FUNCAP55 and FUNCAP27 questionnaires
  • PDF report generation
  • Optional heart and movement metrics
  • HealthKit integration
  • Data privacy focused
Read full description

- For patients diagnosed with ME/CFS - Self-evaluate and record your FUNctional CAPacity - Assess your capacity using FUNCAP55 or FUNCAP27 by scoring questions across 8 domains, eg "being upright", "reactions to light and sound" - Create a PDF report that you can save or share - Optionally include recorded heart and movement metrics, averaged over the last month - The app does not transfer your data in any other way Integrated with HealthKit USE ONLY WITH THE ADVICE AND GUIDANCE OF YOUR PHYSICIAN OR RESEARCH TEAM. THE APP RECORDS THE USER'S OWN ASSESSMENT AND DOES NOT PROVIDE HEALTH GUIDANCE.

About

CFS Tracker

This app helps individuals manage energy-limiting chronic illnesses by tracking symptoms, pacing, medications, and daily activities. It provides insights into patterns and trends to better understand health and communicate with healthcare providers.

Highlights
  • Log diverse symptoms including fatigue and brain fog
  • Track medications, supplements, and treatments
  • Record activity, rest, sleep, and nutrition
  • Customize tracking for personal health patterns
  • Set reminders for health routines
  • Monitor post-exertional malaise (PEM) and crashes
  • Review symptom trends with charts and summaries
Features
Read full description

Feeling overwhelmed by chronic fatigue, brain fog, low energy, and unpredictable symptoms? Cifora is a dedicated CFS/ME tracker and chronic fatigue journal built for energy-limiting conditions. Track symptoms, pacing, PEM patterns, medications, supplements, sleep, mood, pain, activity, and rest, alongside Apple Health data, in one simple place. Living with an invisible illness often means balancing activity, rest, routines, treatments, appointments, and daily responsibilities. Cifora helps you organize your health notes and review your own patterns over time, so you can keep clearer records of difficult days, flares, PEM, and crashes. Built for people tracking ME/CFS, chronic fatigue syndrome, myalgic encephalomyelitis, long COVID, post-viral fatigue, fibromyalgia, POTS, dysautonomia, migraines, MCAS, IBD, chronic pain, anxiety, depression, and other complex multisystem, energy-limiting conditions. Key features: 1. Log symptoms including fatigue, brain fog, muscle pain, joint pain, headaches, dizziness, nausea, palpitations, insomnia, sleep issues, post-activity symptoms, and other invisible symptoms 2. Track medications, supplements, treatments, care routines, appointments, and personal health notes 3. Record activity, rest breaks, sleep quality, hydration, nutrition, mood, pain, social activity, and daily energy levels 4. Customize your symptom tracker around your own health, pacing, fatigue, and energy patterns 5. Set reminders for medications, supplements, symptom check-ins, hydration, sleep, rest, and routine tracking 6. Keep a record of post-exertional malaise (PEM) patterns, energy dips, symptom flares, and energy crashes over time 7. Review charts and summaries of symptom trends across mild, moderate, severe, crash, and recovery days 8. Keep a connected health record Everything is designed for low cognitive load. Quick entries, customizable fields, reminders, charts, summaries, and reports help you stay consistent without feeling overwhelmed, even during high fatigue or brain fog. Use Cifora to keep clearer records, prepare for appointments, organize invisible symptoms, understand your own history, and communicate more clearly with your healthcare providers. Whether you are tracking mild, moderate, or severe days, Cifora gives you a flexible structure for daily chronic fatigue and ME/CFS tracking across energy, symptoms, sleep, pain, activity, rest, medications, supplements, nutrition, hydration, mood, and appointments. Your data stays private, encrypted, and under your control. You can export your records or delete your account at any time. We do not sell your health information to third parties. Disclaimer: Cifora is for tracking, journaling, educational, and informational purposes only. It is not a medical device and does not provide medical advice, diagnosis, or treatment, and is not intended to diagnose, treat, cure, prevent, or monitor any disease or medical condition. Always seek a doctor's advice in addition to using this app and before making any medical decisions, including before changing medications, supplements, treatments, activity levels, or care routines. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

FUNCAP4 screens
CFS Tracker4 screens

Verdict

The call

The clearest difference is rating: FUNCAP at 5.0 against CFS Tracker's 3.0. FUNCAP also leads on in-app purchases (none vs 16). CFS Tracker's advantage is device support (4 vs 1) and iOS requirement (15.5 vs 17.0). On price, ratings volume, update cadence and ads 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. CFS Tracker sells 16 in-app purchases, starting at $4.95 per month. FUNCAP asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

FUNCAP holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

UpkeepUpdate frequency

FUNCAP ships an update every 5 months, CFS Tracker every 8 months. The most recent releases landed on July 18, 2026 and September 20, 2026 respectively.

Scorecard5 real differences · 5 level
FUNCAP versus CFS Tracker: the parameters behind the verdict, then further details
ParameterFUNCAPCFS Tracker
PriceFreeFree
Rating5.0 (4 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings4 — better2
Update frequencyEvery 5 months — betterEvery 8 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.015.5 — better
Further details — not scored
Size3 MB219 MB
Age rating12++4
DeveloperDavid Davies-PayneDigital Therapeutics

Customer experience

FUNCAP

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

CFS Tracker

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

FUNCAP

No in-app purchases

16 purchases

CFS Tracker

Subscriptions13
  • flex pass$4.951 Month
  • easy pass$5.997 Days
  • flex pass$8.991 Month
Show 10 more
  • carey ai max$19.991 Month
  • yearly access$19.991 Year
  • smart pass$24.991 Year
  • carey ai ultra$29.991 Month
  • plus$29.991 Year
  • limited discount$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$99.99

Questions

Is FUNCAP free?
FUNCAP is free to download, with no in-app purchases.
Is CFS Tracker free?
CFS Tracker is free to download, with in-app purchases available.
Which has better reviews, FUNCAP or CFS Tracker?
FUNCAP is rated higher. FUNCAP averages 5.0 out of 5 from 4 ratings, while CFS Tracker averages 3.0 from 2 ratings.
Do FUNCAP or CFS Tracker have ads?
Neither FUNCAP nor CFS Tracker shows ads.
Which is updated more often, FUNCAP or CFS Tracker?
FUNCAP ships an update every 5 months, and CFS Tracker every 8 months. Most recently, FUNCAP was updated on July 18, 2026 and CFS Tracker on September 20, 2026.

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