Comparison

Heart Buddy vs POTS

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

Head to head
About

Heart Buddy

This app continuously monitors your heart rate in real-time, providing alerts for abnormal readings. It offers customizable alarms, historical data visualization, and remote control capabilities for comprehensive heart health tracking.

Highlights
  • Continuous real-time heart rate monitoring
  • Customizable high/low heart rate alarms
  • Heart rate charting and history
  • Remote control via Wi-Fi
  • Optional cloud data saving
  • Share heart rate charts
Read full description

Heart Buddy continuously monitors the heart rate and raises an alarm when it detects a low or high heart rate. This could be indicative of a seizure, a problem with a pacemaker, or other heart problems. Heart Buddy is totally free: no subscriptions, no adverts, complete access to all advanced features. Heart Buddy is already helping people and it can help you too. • Continuous, realtime monitoring of the heart rate throughout the whole night, the day and wherever you go. • Customise Heart Buddy's alarms: including those for high/low heart rates; low battery; signal loss; and more. • Heart rates displayed on charts and updated as each heart rate is collected from the sensor. • Heart Buddy be remotely controlled by a second Apple device over the Wi-Fi network to overcome the 10 metre limitation imposed by Bluetooth. • Heart rates saved on the device and optionally in the cloud. • Review heart rate charts from those saved in your history to spot patterns and gain valuable insight to heart rate behaviour. • Share heart charts to your other devices, family, or email them to healthcare professionals. • The Heart Zones feature keeps you informed of heart rate changes without even needing to look at the app. • Optionally connect your phone/iPad to a bluetooth speaker to allow alarms to be heard remotely, elsewhere in the home. COMPATIBLE HEART RATE SENSOR: • Heart Buddy requires an external sensor to operate, such as: the Wahoo TickR Fit; Polar Heart Sensor; or any low-energy bluetooth (BTLE) heart rate sensor. • The battery life for the Wahoo Tickr Fit sensor is up to 30 hours which means Heart Buddy can monitor the heart rate overnight without interruption. • FitBit devices do not provide a continuous heart rate and are not suitable for monitoring the heart rate in real time.

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

Heart Buddy4 screens
POTS4 screens

Verdict

The call

The clearest difference is review sentiment: Heart Buddy at 83% against POTS's 0%. Heart Buddy also leads on rating (4.1 vs 3.1) and in-app purchases (none vs 17). POTS's advantage is device support (5 vs 3). On price 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. Heart Buddy asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Heart Buddy holds the better App Store score, 4.1 against 3.1. That said, the two scores are not equally well evidenced: Heart Buddy has 57 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 83% of Heart Buddy's written reviews are positive against 0% of POTS's.

UpkeepUpdate frequency

Heart Buddy ships an update weekly, POTS every 5 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

Scorecard8 real differences · 2 level
Heart Buddy versus POTS: the parameters behind the verdict, then further details
ParameterHeart BuddyPOTS
PriceFreeFree
Rating4.1 (57 ratings) — better3.1 (7 ratings)
Positive reviews83.3% of reviews — better0.0% of reviews
Number of ratings57 — better7
Update frequencyWeekly — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS12.0 — better15.5
Further details — not scored
Size27 MB218 MB
Age rating4+4+
DeveloperSean PedleyDigital Therapeutics

Customer experience

Heart Buddy

All ratings57 ratings
Positive75.4%
Neutral5.3%
Negative19.3%
Written reviews36 reviews
Positive83.3%
Neutral8.3%
Negative8.3%

POTS

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

In-app purchases

None

Heart Buddy

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 Heart Buddy free?
Heart Buddy 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, Heart Buddy or POTS?
Heart Buddy is rated higher. Heart Buddy averages 4.1 out of 5 from 57 ratings, while POTS averages 3.1 from 7 ratings.
Do Heart Buddy or POTS have ads?
Neither Heart Buddy nor POTS shows ads.
Which is updated more often, Heart Buddy or POTS?
Heart Buddy ships an update weekly, and POTS every 5 months. Most recently, Heart Buddy was updated on October 18, 2026 and POTS on October 15, 2026.

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