Best Intervals Icu Apps

211+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated July 2026

Out of 211+ intervals icu apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Intervals Icu Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Intervals.icu CompanionIntervals.icu CompanionFree4.8★ (27)NoYesJul 2026
2SubintervalsSubintervalsFree5.0★ (2)NoYesJul 2026
3DailyTSS – Training LoadDailyTSS – Training LoadFree5.0★ (3)NoYesMay 2026
4Interval TimerInterval TimerFree4.7★ (3.2K)NoYesJul 2026
5타이머 플러스 - 운동 타이머타이머 플러스 - 운동 타이머Free4.8★ (59K)YesYesJul 2026
6EMS ExplainedEMS ExplainedFree4.6★ (29)NoYesJul 2026
7Health Sync by appyhappsHealth Sync by appyhappsFree4.2★ (94)NoYesJul 2026
8VentRefVentRefFree5.0★ (41)NoNoJul 2026

Top Picks for Intervals Icu

Intervals.icu Companion#1

Intervals.icu Companion by Spencer McEwen

3rd-Party Intervals.icu App
Editor's Choice
💪 Health & Fitness
4.8(27 ratings)
FreeIn-App Purchases
Intervals.icu Companion screenshot 1
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Intervals.icu Companion screenshot 3
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Intervals.icu Companion screenshot 6

This companion app visualizes your fitness, fatigue, and form trends using data from Intervals.icu. It offers configurable widgets for desktop and home screens, along with Apple Watch faces, to provide quick access to your key metrics and automatic data updates.

Subintervals#2

Subintervals by Inaki Arroyo Nebreda

Strong Contender
💪 Health & Fitness
5.0(2 ratings)
FreeIn-App Purchases
Subintervals screenshot 1
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Visualize your training data with detailed displays and interactive graphs. Customize your analysis and sync seamlessly with intervals.icu for up-to-the-minute insights into activities, events, and performance metrics.

DailyTSS – Training Load#3

DailyTSS – Training Load by Carlos Pena

Fitness • Fatigue • Form
Worth Considering
⚽ Sports
5.0(3 ratings)
FreeIn-App Purchases
DailyTSS – Training Load screenshot 1
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This app helps athletes understand their training load using advanced metrics like ATL, CTL, and TSB. It integrates with Strava and Apple Health to provide a comprehensive view of fitness, fatigue, and recovery, enabling smarter training for better performance.

More Intervals Icu apps to explore

4
Interval Timer
Interval Timer
Interval Timer
Tabata, HIIT, Circuit Training
Free

This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

Customizable interval settingsVoice assistant with text-to-speechMusic ducking for audio integration
💪 Health & Fitness
(3.2K)
subscription
5
타이머 플러스 - 운동 타이머
타이머 플러스 - 운동 타이머
타이머 플러스 - 운동 타이머
가정, 체육관에서의 피트니스 훈련
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
(59K)
ad-supported
6
EMS Explained
EMS Explained
EMS Explained
Your EMS exam ally
Free

This comprehensive study aid helps students prepare for various Emergency Medical Services exams, including NREMT, Paramedic, and AHA certifications. It offers thousands of practice questions with detailed explanations and progress tracking to optimize study strategies.

Thousands of practice questionsDetailed explanationsProgress tracking
📚 Education
(29)
free with in-app purchases
7
Health Sync by appyhapps
Health Sync by appyhapps
Health Sync by appyhapps
Sync data between fitness apps
Free

Seamlessly transfer your health and fitness data between various popular apps and devices. This tool automates background syncing, ensuring your information is up-to-date across your chosen platforms. Enjoy a week-long free trial to explore its capabilities before a one-time purchase unlocks full historical data syncing.

Syncs data between health and fitness appsSupports Apple Health, Fitbit, Garmin, Strava, and moreAutomatic background syncing
💪 Health & Fitness
(94)
free with in-app purchases
8
VentRef
VentRef
VentRef
Vent & Oxygenation Reference
Free

A clinical reference tool for healthcare professionals managing mechanical ventilation and oxygen therapy. It provides information grounded in respiratory physiology and evidence-based critical care.

Mechanical ventilation referenceOxygen therapy referenceRespiratory physiology
🏥 Medical
(41)
free
9
ICU Advantage Rapid Reference
ICU Advantage Rapid Reference
ICU Advantage Rapid Reference
The critical care reference
Free

This clinical reference tool helps critical care professionals understand complex patient conditions. It provides organ-system-based information, ventilator settings, drug references, calculators, and interactive protocols. Designed for nurses, therapists, and providers, it focuses on deep understanding rather than just quick lookups.

Organ-system-based clinical referenceVentilator settings and troubleshootingDrug references with dosing and pearls
🏥 Medical
(0)
free with in-app purchases
10
ECG Test for Doctors
ECG Test for Doctors
ECG Test for Doctors
Improve ECG Interpreting Skill
Free

Enhance your ECG interpretation skills with a vast library of real patient cases. This app offers detailed ECG recordings and interactive tests to challenge and improve your diagnostic abilities. Ideal for medical professionals and students seeking to build a strong cardiology foundation.

1000+ real patient ECG samplesStatic images and real-time monitorInteractive interpretation tests
🏥 Medical
(392)
free with in-app purchases
11
Virtual Waiting Room
Virtual Waiting Room
Virtual Waiting Room
by Mysphera S.L.
Free

This app connects patients, families, and medical staff for a more informed hospital waiting experience. It provides real-time status updates and personalized messages, reducing stress and improving communication during surgical processes or emergency room visits.

Real-time patient status updatesSurgical process trackingEmergency room status monitoring
🏥 Medical
(15)
free
12
ACLS Test Prep 2026
ACLS Test Prep 2026
ACLS Test Prep 2026
Practice ACLS Exam Questions
Free

Prepare for the Advanced Cardiovascular Life Support (ACLS) certification exam with a comprehensive practice app. It offers hundreds of exam-like questions, detailed explanations, and performance analysis to boost your confidence and help you pass on the first attempt.

Over 1200 practice questionsDetailed answer explanationsSpecialized exercises by content area
📚 Education
(44)
free with in-app purchases
13
LDS EPOD(US)
LDS EPOD(US)
LDS EPOD(US)
速达精准,服务到心!
Free

This professional logistics tool helps express delivery couriers manage parcel collection and delivery efficiently. It features intelligent dispatching, precise route planning, and digital management of the entire process, including electronic signatures.

Intelligent dispatchingPrecise path planningElectronic signature
🔧 Utilities
(18)
free
14
Pass CCRN
Pass CCRN
Pass CCRN
AACN CCRN Test Prep
Free

Prepare for your CCRN certification exams with a comprehensive mobile study tool. It offers practice questions, personalized study plans, and detailed performance tracking to help you pass your Adult, Neonatal, or Pediatric critical care nursing exams.

Personalized study plan1800+ practice questionsTopic-based learning
📚 Education
(608)
free with in-app purchases
15
Interval Timer □ HIIT Timer
Interval Timer □ HIIT Timer
Interval Timer □ HIIT Timer
Minuteur intervalle
Free

Create custom workout timers with adjustable intervals for exercise and rest. Track your progress with detailed history and statistics, and repeat past workouts easily. Enjoy audio cues without interrupting your music.

Customizable intervalsWorkout and rest timersVoice or beep guides
💪 Health & Fitness
(85K)
freemium
16
Kencor SAMi
Kencor SAMi
Kencor SAMi
by Kencor Health, Inc.
Free

This app securely connects patients with their healthcare teams. It allows users to easily log and monitor vital signs, view health trends, and stay connected to their treatment plans for improved remote patient monitoring and proactive care.

Record and track vital signsView daily and long-term health trendsConnect securely with provider team
💪 Health & Fitness
(258)
free
17
Redivus Health
Redivus Health
Redivus Health
Code Blue, Sepsis, Stroke
Free

This app provides real-time, step-by-step guidance for medical professionals managing critical events like cardiac arrest, sepsis, and stroke. It acts as a clinical GPS, improving documentation accuracy and efficiency during emergencies.

Real-time augmented intelligenceStep-by-step event managementCode Blue (ACLS protocol) guidance
🏥 Medical
(11)
free
18
Emergency Nurse Essentials
Emergency Nurse Essentials
Emergency Nurse Essentials
ER Guidelines & Explanations
Free

This app offers a comprehensive guide to emergency nursing, covering essential principles and concepts for rapid patient stabilization and treatment. It details common ER scenarios, from trauma and cardiac arrest to behavioral health and pediatric emergencies, preparing users for fast-paced environments.

ER guidelines and explanationsRapid stabilization and treatmentDisaster management
🏥 Medical
(37)
free with in-app purchases
19
ECG Pro for Doctors
ECG Pro for Doctors
ECG Pro for Doctors
ECG Made Easy
$59.99

This app offers a vast library of interpreted ECG cases to help medical professionals and students enhance their electrocardiogram reading skills. It provides interactive learning tools, detailed interpretations, and integrates with Apple Watch ECG recordings for a comprehensive learning experience.

Thousands of interpreted ECG casesProfessional interpretation and measurementBrowse and search ECG cases by findings
🏥 Medical
(81)
paid
20
ABG Calculator - Pulmoro
ABG Calculator - Pulmoro
ABG Calculator - Pulmoro
Clinical decision support app
Free

This clinical decision support app assists healthcare professionals in managing patients with respiratory conditions. It offers evidence-based calculations, guided interpretations of arterial blood gases, and educational context for real-time bedside care. The tool aims to simplify critical decisions while maintaining depth and accuracy.

Arterial blood gas (ABG) interpretationsIntegrated oxygenation analysisRespiratory and ventilator focused calculators
🏥 Medical
(7)
free

FAQ about Intervals Icu

What are the best intervals icu apps for iPhone?
Intervals.icu Companion tops our intervals icu apps ranking as of July 2026, with a 4.8-star average from 27 App Store ratings, and it's free to download.
Yes — 19 of the top intervals icu apps we rank are free to download, including Intervals.icu Companion and Subintervals.
Intervals.icu Companion has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 211+ intervals icu apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Intervals Companion is designed to provide quick access to your fitness, fatigue, and form data from Intervals.icu through configurable widgets and Apple Watch faces. It complements the main Intervals.icu website by offering at-a-glance insights and automatic background updates.
No, Intervals Companion is explicitly a third-party companion app and not a full replacement for the https://intervals.icu website. It focuses on delivering key data through widgets and watch faces for convenience.

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