Best Cyl Duration Apps

226+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Looking for free cyl duration apps? 20 of our 226+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Cyl Duration Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Cyl DurationCyl DurationFree4.5★ (8)NoNoMay 2026
2Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesJul 2026
3Timer+ Countdown & StopwatchTimer+ Countdown & StopwatchFree4.8★ (41K)YesYesJul 2026
4Lark HealthLark HealthFree4.3★ (8K)NoNoJul 2026
5Timer Plus - Workouts TimerTimer Plus - Workouts TimerFree4.8★ (58K)YesNoJul 2026
6Cape: App to Pause ExcessCape: App to Pause ExcessFree4.6★ (15K)NoYesJul 2026
7Unrot: Earn your Screen TimeUnrot: Earn your Screen TimeFree4.7★ (54K)NoYesJul 2026
8iHealth MyVitalsiHealth MyVitalsFree4.8★ (129K)NoNoJul 2026

Top Picks for Cyl Duration

Blood Oxygen App#2

Blood Oxygen App by AboutMe Apps, Inc.

SpO2 Level Monitor・Heart Rate
Strong Contender
🏥 Medical
4.6😞(31K ratings)
FreeIn-App Purchases
#25in Medical
Blood Oxygen App screenshot 1
Blood Oxygen App screenshot 2
Blood Oxygen App screenshot 3
Blood Oxygen App screenshot 4
Blood Oxygen App screenshot 5
Blood Oxygen App screenshot 6

Monitor blood oxygen levels and heart rate using your phone's camera or by syncing with your Apple Watch. Track vital signs, share data with your doctor, and access curated health articles. Includes breathing exercises and sleep reports.

What We Love

  • ⭐ Awesome app
  • ⭐ Very easy to use
  • ⭐ Helpful for monitoring health conditions
  • ⭐ Detailed data logging

Room to Improve

  • ❌ Doesn't accurately measure blood oxygen levels
  • ❌ Requires premium subscription for key features
  • ❌ Inconsistent and unreliable performance
Timer+ Countdown & Stopwatch#3

Timer+ Countdown & Stopwatch by Minima Software

Interval, Workouts, Pomodoro
Worth Considering
🔧 Utilities
4.8😊(41K ratings)
FreeAdsIn-App Purchases
Timer+ Countdown & Stopwatch screenshot 1
Timer+ Countdown & Stopwatch screenshot 2
Timer+ Countdown & Stopwatch screenshot 3
Timer+ Countdown & Stopwatch screenshot 4
Timer+ Countdown & Stopwatch screenshot 5
Timer+ Countdown & Stopwatch screenshot 6

Manage multiple timers and stopwatches simultaneously for various activities like cooking, workouts, and daily routines. Build complex interval timers with custom segments and receive voice announcements. Save and reuse timer templates for efficient time management.

What We Love

  • 👍 Easy to use
  • 🚀 Convenient for multiple timers
  • 💡 Customizable alarm sounds
  • 👍 Helpful for cooking and productivity

Room to Improve

  • 🐛 Occasional issues with timers not updating correctly
  • 🔋 Potential battery drain
  • 🔍 Ads can be intrusive

More Cyl Duration apps to explore

4
Lark Health
Lark Health
Lark Health
Smart, connected, health coach
Free

This app offers personalized health programs and 24/7 digital coaching to help you achieve your individual health goals. It provides tools for habit building, chronic condition management, and tracking various health metrics, often at no cost through eligible insurance.

Personalized health programs24/7 digital health coachingFood and activity tracking
💪 Health & Fitness
(8K)
free
5
Timer Plus - Workouts Timer
Timer Plus - Workouts Timer
Timer Plus - Workouts Timer
Fitness à la maison, gym
Free

This interval training app supports HIIT, circuit, and Tabata workouts with customizable rounds and cycles. It offers background operation, screen flashing, and voice guidance for an enhanced fitness experience. An Apple Watch companion app is also available.

Customizable rounds and cyclesInterval stopwatchBackground timer operation
💪 Health & Fitness
(58K)
ad-supported
6
Cape: App to Pause Excess
Cape: App to Pause Excess
Cape: App to Pause Excess
Location & Timed App Blocking
Free

This app helps you regain focus by pausing excessive app usage and restoring access later. It's designed to reduce distractions, curb impulsive app openings, and promote healthier digital habits, especially for those with attention challenges.

Set daily screen time limitsSchedule app breaksCustomize pause screen
🔧 Utilities
(15K)
free with in-app purchases
7
Unrot: Earn your Screen Time
Unrot: Earn your Screen Time
Unrot: Earn your Screen Time
Complete habits, then scroll
Free

This app helps combat digital fatigue and screen addiction by rewarding real-life habits with screen time credits. Build focus and discipline by completing activities like journaling or exercise, then use your earned credits to unlock apps guilt-free.

Brainrot recovery systemEarn credits for real-life habitsSpend credits on app access
📊 Productivity
(54K)
subscription
8
iHealth MyVitals
iHealth MyVitals
iHealth MyVitals
by iHealth Labs Inc.
Free

Easily manage and view your health data by connecting iHealth devices. Store measurements securely in the cloud, visualize trends with graphs, and share updates with your care team. Sync data with HealthKit for comprehensive health monitoring.

Health data managementCloud data storageDevice connectivity
💪 Health & Fitness
(129K)
free
9
Pushscroll : Sport Pour Scroll
Pushscroll : Sport Pour Scroll
Pushscroll : Sport Pour Scroll
Sport, gagnez du temps d'écran
Free

Transform your phone addiction into fitness gains. This app requires you to complete exercises like pushups to earn screen time, helping you reduce usage, build muscle, and improve focus. It uses pose detection to prevent cheating and offers digital wellbeing tools.

Exercise-based app timerUnlock screen time with pushups/squatsPose detection for rep counting
💪 Health & Fitness
(17K)
free with in-app purchases
10
Mayo Clinic
Mayo Clinic
Mayo Clinic
Ranked #1 in the Nation
Free

Manage your health with tools for tracking information, scheduling appointments, and accessing medical records. Get health news, research-backed answers, and connect with care teams. Request appointments with experts and utilize online care options.

Track health informationSchedule and manage appointmentsAccess medical records and test results
🏥 Medical
(3.2K)
free
11
Nurture Pregnancy Week by Week
Nurture Pregnancy Week by Week
Nurture Pregnancy Week by Week
Track Baby Growth & Due Date
Free

This app offers comprehensive pregnancy tracking, providing insights into baby development week by week. Connect with a supportive community of mothers, access expert advice, and utilize tools like a contraction timer and baby registry. Personalized AI-powered insights help you navigate your pregnancy with confidence.

Week-by-week pregnancy trackingDetailed baby development informationSupportive mom community
🏥 Medical
(30K)
freemium
12
Toggl Track: Hours & Time Log
Toggl Track: Hours & Time Log
Toggl Track: Hours & Time Log
Tracking & Hours Management
Free

Effortlessly track your time from any device with a single tap. Organize entries with projects and tags, analyze your productivity with reports, and boost focus with Pomodoro mode. Seamlessly syncs across all your platforms.

Cross-device time trackingDetailed reports and exportProject, client, and tag organization
💼 Business
(9.3K)
free
13
Eko: Digital Stethoscope + ECG
Eko: Digital Stethoscope + ECG
Eko: Digital Stethoscope + ECG
Record Heart Sounds & Rhythms
Free

This app enhances physical exams by recording and analyzing heart and lung sounds. It helps detect potential heart and lung conditions, allowing for secure storage and sharing of recordings and reports. Features like murmur and AFib flagging are available with compatible devices and memberships.

Record heart and lung sounds wirelesslyFlag murmurs, AFib, tachycardia, bradycardiaSave, play back, and annotate recordings
🏥 Medical
(9.9K)
free with in-app purchases
14
PulseTrackr:Heart Rate & HRV
PulseTrackr:Heart Rate & HRV
PulseTrackr:Heart Rate & HRV
Log Blood Pressure & Oxygen
Free

Monitor your heart health with this app. It measures heart rate using your phone, tracks stress and HRV, and records blood pressure, blood oxygen, and sleep patterns. It also includes features for smoking cessation and habit reminders.

Heart rate measurement via phoneStress and HRV trackingBlood pressure and oxygen recording
💪 Health & Fitness
(4.2K)
free with in-app purchases
15
FITTR: Health & Fitness App
FITTR: Health & Fitness App
FITTR: Health & Fitness App
Health Tests, Workouts & Diets
Free

This app helps you proactively manage your health through a science-backed ecosystem. It integrates wearables, smart tools, and lab tests to help you understand your body, diagnose potential issues, and implement personalized lifestyle interventions for long-term well-being.

Health and lifestyle tracking via wearablesCalorie, protein, and body fat calculatorsSmart scale with 50+ health metrics
💪 Health & Fitness
(2.4K)
free with in-app purchases
16
MedHub
MedHub
MedHub
by MedHub, Inc.
Free

Manage your medical training tasks efficiently from your mobile device. View schedules, complete evaluations, submit work hours, and log procedures. This app requires an existing MedHub account for trainees and faculty.

View calendar and scheduleComplete and send evaluationsSubmit work hours
🏥 Medical
(4.9K)
free
17
PushUp Time: App Blocker
PushUp Time: App Blocker
PushUp Time: App Blocker
Block Apps, Unlock By Exercise
Free

Transform screen time into workout time by doing exercises to unlock distracting apps. On-device AI accurately counts your reps for push-ups, squats, and sit-ups. Choose your unlock duration and make mindless scrolling a thing of the past.

AI rep counting on-deviceBlock distracting appsCustomizable unlock windows
📊 Productivity
(12K)
freemium
18
Visible: Pacing for illness
Visible: Pacing for illness
Visible: Pacing for illness
For Long Covid, ME/CFS, POTS+
Free

Manage energy-limiting health conditions like Long Covid and ME/CFS through personalized pacing insights. Track biometrics, log symptoms, and understand patterns to reduce crashes and improve daily well-being. Share health reports with your doctor and contribute to research.

Measure heart rate variability (HRV) and resting heart rateLog symptoms, medication, and daily exertionTrack patterns and understand biometric influences
💪 Health & Fitness
(3.4K)
free with in-app purchases
19
AppBlock: Block Apps & Website
AppBlock: Block Apps & Website
AppBlock: Block Apps & Website
App Blocker. Limit Screen Time
Free

This app helps you regain control of your digital life by blocking distracting applications and websites. It offers customizable schedules and strict modes to reduce screen time, improve focus, and support healthier digital habits.

Block distracting appsBlock time-wasting websitesControl screen time
📊 Productivity
(6.3K)
free with in-app purchases
20
Microlife Connected Health+ US
Microlife Connected Health+ US
Microlife Connected Health+ US
by Microlife
Free

Manage your personal health by tracking readings from connected Microlife devices like blood pressure monitors and thermometers. Set personal targets, reminders, and generate data summary reports to maintain a healthier lifestyle. Easily review trends, add notes, and share your health data with family or doctors.

Transfer measurement data via BluetoothReview measurement trends and entriesAdd notes with text, photo, or audio
💪 Health & Fitness
(2K)
free

FAQ about Cyl Duration

What are the best cyl duration apps for iPhone?
Cyl Duration tops our cyl duration apps ranking as of June 2026, with a 4.5-star average from 8 App Store ratings, and it's free to download.
Yes — 20 of the top cyl duration apps we rank are free to download, including Cyl Duration and Blood Oxygen App.
Cyl Duration has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 226+ cyl duration apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Cyl Duration calculates remaining oxygen by allowing users to input specific settings such as the device, liter flow, and cylinder size. It then provides a precise readout of the remaining oxygen in hours and minutes.
Cyl Duration is available for iPhone, iPad, and iPod devices. It is designed for ambulatory users who need to monitor their oxygen supply on the go.