Comparison

FUNCAP vs POTS

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

POTS

This app helps individuals manage chronic illnesses like POTS, CFS, and long COVID by providing tools to track symptoms, medications, and vital signs. It integrates with Apple Health for comprehensive wellness management and offers customizable alerts and detailed insights for better doctor communication.

Highlights
  • Symptom logging in seconds
  • Medication reminders
  • Heart rate & vitals monitoring
  • Tailored health journal
  • Progress analytics
  • Comprehensive wellness tracking
  • Customizable alerts
Features
Read full description

POTS symptoms can be hard to recall between appointments. If you live with postural orthostatic tachycardia syndrome, use this POTS buddy to keep daily notes for your care team. Record heart rate, medications, and what you felt in one place. Keep those details together instead of spreading them across spreadsheets, messy notebooks, or fragmented health apps. It’s time for an easier, smarter, and personalized way to track your health journey. Meet POTS Tracker, the comprehensive health monitor designed specifically for people battling chronic illness, fatigue, tachycardia, and dysautonomia. Whether you are navigating orthostatic symptoms, chronic fatigue syndrome (CFS), or long COVID-related symptoms, you can keep the details together. Whether you call yourself a potsie or simply live with POTS, record what matters to you each day. Use this dysautonomia tracker to record symptoms, heart rate, blood pressure (BP), mood, medications, salt intake, and exercise. Sync daily health data with Apple Health. Why use this POTS app? Log symptoms in seconds. Record tachycardia episodes, dizziness, fatigue, and orthostatic changes. Medication reminders help you remember what to log. If your routine includes midodrine, metoprolol or propranolol, note those names alongside daily symptoms. Heart rate and vitals: connect with Apple Health and wearable devices such as Apple Watch to review HRV, ECG, VO2 levels, and daily fitness. Tailored health journal: use a POTS symptom log to note mood, dietary salt (sodium) intake, or triggers, pacing, and symptom patterns over time. Visible progress and detailed insights: review daily logs before your next doctor’s visit. If ivabradine or fludrocortisone is part of your own medication record, keep those notes with your symptoms and vital readings. Comprehensive wellness tracking: record fitness, mood, exercise tolerance, and hydration alongside symptoms. Customizable alerts remind you to track key vitals and symptoms. Designed with you in mind: Busy Professionals: No time? No problem. POTS Tracker makes daily symptom tracking quicker and more bearable. Log your day in seconds, freeing you to focus on your busy life. Chronic Illness Patients: Detailed and tailored symptom tracking means better care. Clearly communicate your experience with your healthcare team using detailed journals, symptom logs, and heart rate insights. Fitness Enthusiasts: Stay on top of your fitness goals safely, tracking vital metrics like heart rate variability (HRV), ECG, and VO2 levels. Exercise smarter, pace better, and monitor progress confidently. Trusted by thousands already thriving despite dysautonomia: “Finally, an app built specifically for my condition. I feel seen, heard, and empowered!” “Super easy, even on brain fog days. The alerts keep me consistent. Highly recommend!” "Life-changing simplicity. This app made tracking my symptoms and heart rate effortless." Keep your notes clear so you can describe your days with less guesswork. POTS Tracker is more than a symptom diary; it’s your comprehensive, easy-to-use wellness companion. Download POTS Tracker free now and join the thousands of patients who’ve simplified their journey through POTS. Own your health today. Disclaimer: Any insights provided by POTS 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

FUNCAP4 screens
POTS4 screens

Verdict

The call

The clearest difference is review sentiment: FUNCAP at 100% against POTS's 0%. FUNCAP also leads on rating (5.0 vs 3.1) and in-app purchases (none vs 17). POTS's advantage is device support (5 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. POTS sells 17 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 3.1. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 100% of FUNCAP's written reviews are positive against 0% of POTS's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

Scorecard6 real differences · 4 level
FUNCAP versus POTS: the parameters behind the verdict, then further details
ParameterFUNCAPPOTS
PriceFreeFree
Rating5.0 (4 ratings) — better3.1 (7 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings47 — better
Update frequencyEvery 5 monthsEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS17.015.5 — better
Further details — not scored
Size3 MB218 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%

POTS

All ratings7 ratings
Positive57.1%
Neutral0.0%
Negative42.9%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

FUNCAP

No in-app purchases

17 purchases

POTS

Subscriptions14
  • flex pass$4.951 Month
  • easy pass$5.997 Days
  • weather max$9.993 Months
Show 11 more
  • flex pass$9.991 Month
  • carey ai max$19.991 Month
  • yearly access$19.991 Year
  • smart pass$24.991 Year
  • carey ai ultra$29.991 Month
  • Premium Yearly$29.991 Year
  • plus$34.991 Year
  • limited discount$34.991 Year
  • Extended Trial3 Days trial$39.991 Year
  • yearly access3 Days trial$44.991 Year
  • 7-Day Trial7 Days trial$49.991 Year
One-time3
  • store credit$1.99
  • carey ai credits$8.99
  • lifetime upgrade$99.00

Questions

Is FUNCAP free?
FUNCAP is free to download, with no in-app purchases.
Is POTS free?
POTS is free to download, with in-app purchases available.
Which has better reviews, FUNCAP or POTS?
FUNCAP is rated higher. FUNCAP averages 5.0 out of 5 from 4 ratings, while POTS averages 3.1 from 7 ratings.
Do FUNCAP or POTS have ads?
Neither FUNCAP nor POTS shows ads.
Which is updated more often, FUNCAP or POTS?
FUNCAP ships an update every 5 months, and POTS every 5 months. Most recently, FUNCAP was updated on October 7, 2026 and POTS on October 15, 2026.

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