Comparison

Trackuility vs Lung

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

Head to head
About

Trackuility

This app helps individuals manage ME/CFS, POTS, and long COVID by tracking activity levels and providing insights into personal limits. It offers detailed reports on crashes and symptoms, aiding in understanding health patterns and identifying triggers.

Highlights
  • Activity level tracking
  • Customizable limit notifications
  • Symptom and note registration
  • PEM (Post-Exertional Malaise) reports
  • Integration with Apple Health
  • 17+ tracked metrics
Read full description

Trackuility is an app for those who use pacing to manage their ME/CFS, POTS and long covid. The app provides a clear overview of various activity metrics and helps users understand their limits and how activity affects their health. Track · See your daily energy budget and set a suitable pacing profile for the day based on your daily energy · Get an overview of your activity level and how close you are to reaching your limits for different time intervals. · Set your own limits and choose if you want notifications when these are exceeded. · Experiment with different threshold values and see what works best for you. Calendar · See how many times you went over your limits on any previous day. · Get a clear view of which thresholds are most appropriate for your current energy levels and identify activities to moderate. · Register symptoms and personal notes for any day, allowing you to document and reflect on your health and activities over time. PEM Reports · Get an overview of your crashes and see connections to your health data by generating PEM reports. · See detailed health information about the days before your PEM and try to find what caused it. Trackuility measures 17 different metrics within several different time intervals. Metrics · Heart Rate · Heart Rate Variability · Resting Heart Rate · Walking Heart Rate · Active Energy · Exercise Minutes · Stand Time · Steps · Walking Distance · Walking Speed · Wheelchair Distance · Wheelchair Pushes · Stair Speed Down · Stair Speed Up · Stairs Climbed · Environmental Audio · Headphone Audio · Blood Oxygen · Systolic Blood Pressure · Diastolic Blood Pressure Quests · Mindful Minutes · Time In Daylight · Alcohol · Caffeine · Fiber · Protein · Sugar · Water Intervals · Last measured (most recently recorded heart rate and walking speed) · Last 15 minutes · Last hour · Last 4 hours · Today · Last 3 days This application is integrated with the Apple Health app via HealthKit.

About

Lung

Features
Read full description

LUNG: Your pocket breathing app for instant calm. Stressed? Anxious? Can’t sleep? LUNG helps you breathe like a pro in seconds. Unlock breathing hacks loved by doctors and backed by science: • Box Breathing (1-1-1-1) – inhale, hold, exhale, hold – all the same length. The classic for instant clarity and nerves of steel. Perfect when you're feeling like a jittery squirrel on caffeine. • Calm (4-2-4) – 4 seconds in, 2 hold, 4 out. Gentle calm-down mode when you need to chill fast without breaking a sweat. • Relax (4-7-8) – 4 in, 7 hold, 8 out. Dr. Weil's famous sleep hack. Works so well, folks often nod off before they even hit the 7-second count. • Simple (1-1) – even in and out breaths. The no-brainer for on-the-go or when your mind's doing loop-de-loops. • Unwind / Deep Calm (1-2) – inhale for 1 part, exhale for 2. The quickest way to kick your chill mode into gear. Double exhale = double the relaxation vibes. Great for just "blowing away" that stress. • Meditation – a no-fuss timer for zen sessions from 1 to 60 minutes, ending with a gentle "time's up!" nudge. Say goodbye to those sneaky "just five more minutes" traps. Quickly lower stress, slow your heart rate and clear your mind. Features • Beautiful glowing visual guide • Haptic feedback – breathe with eyes closed • Focus Mode - pure animation, no disturbance • High-quality relaxing sounds • 100% private – no ads, no tracking, no account Perfect for panic attacks, falling asleep faster, focus & daily stress relief. Breathe deeper. Stress less. Exhale the chaos!

Screenshots

Trackuility4 screens
Lung4 screens

Verdict

The call

The clearest difference is update cadence: Lung at every 3 days against Trackuility's every 5 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Trackuility ships an update every 5 months, Lung every 3 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 9 level
Trackuility versus Lung: the parameters behind the verdict, then further details
ParameterTrackuilityLung
PriceFreeFree
Rating4.2 (5 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings5 — better—
Update frequencyEvery 5 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS17.017.0
Further details — not scored
Size11 MB4 MB
Age rating12+4+
Developeradrian tyrevallRobert Lenart

In-app purchases

None

Trackuility

No in-app purchases

None

Lung

No in-app purchases

Questions

Is Trackuility free?
Trackuility is free to download, with no in-app purchases.
Is Lung free?
Lung is free to download, with no in-app purchases.
Do Trackuility or Lung have ads?
Neither Trackuility nor Lung shows ads.
Which is updated more often, Trackuility or Lung?
Trackuility ships an update every 5 months, and Lung every 3 days. Most recently, Trackuility was updated on October 16, 2026 and Lung on October 11, 2026.

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