Best Stellar Intervals alternatives: apps like Stellar Intervals

10+ similar apps compared and reviewed

4.9 avg rating
10 free apps
Updated November 2026

Stellar Intervals is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Stellar Intervals

VO2Pro: HIIT Trainer#1

VO2Pro: HIIT Trainer by 敏 周

Workouts to improve VO2 max
Editor's Choice
💪 Health & Fitness
5.0(1 ratings)
FreeIn-App Purchases
VO2Pro: HIIT Trainer screenshot 1
VO2Pro: HIIT Trainer screenshot 2

Improve your cardiovascular fitness with science-backed interval training and live heart-rate coaching. Offers proven protocols like Norwegian 4x4 and Tabata, with custom workout options and progress tracking. Your health data remains private on your device and in Apple Health.

Threshold: Running Coach#2

Threshold: Running Coach by Athlete Mindset Inc.

The Norwegian Running Method
Strong Contender
💪 Health & Fitness
5.0(1 ratings)
FreeIn-App Purchases
Threshold: Running Coach screenshot 1
Threshold: Running Coach screenshot 2
Threshold: Running Coach screenshot 3
Threshold: Running Coach screenshot 4
Threshold: Running Coach screenshot 5
Threshold: Running Coach screenshot 6

This app creates personalized, periodized running plans based on your goals, fitness, and schedule. It adapts to your progress, incorporates Norwegian threshold training principles, and offers coaching support. Track your runs, adjust your plan, and prepare for races with structured guidance.

Norwegian 4x4 Heart Rate#3

Norwegian 4x4 Heart Rate by Abe Stanway

VO2max interval timer with HR
Worth Considering
💪 Health & Fitness
5.0(1 ratings)
Free
Norwegian 4x4 Heart Rate screenshot 1
Norwegian 4x4 Heart Rate screenshot 2

This app guides you through the Norwegian 4x4 VO2max interval training protocol using your Bluetooth heart rate monitor. It provides real-time audio cues to keep you in your target heart rate zones during work and rest intervals.

More apps like Stellar Intervals

4
Boston's Boxer Club
Boston's Boxer Club
Boston's Boxer Club
by PushPress, Inc.
Free
💪 Health & Fitness
(0)
5
Ramp4x4: VO2 Max Trainer
Ramp4x4: VO2 Max Trainer
Ramp4x4: VO2 Max Trainer
Norwegian 4x4 Interval Coach
Free

This app guides you through high-intensity interval training sessions designed to improve your VO2 max. It offers live heart-rate feedback and timing for your workouts, with options for both free and premium training plans.

Norwegian 4x4 interval workoutsLive heart-rate guidanceApple Watch integration
💪 Health & Fitness
(2)
freemium
6
NSA Running
NSA Running
NSA Running
Norwegian Singles Approach
Free
💪 Health & Fitness
(0)
7
N4x4
N4x4
N4x4
Gold Standard for VO2 Max
Free

This app guides you through high-intensity interval training to improve VO2 max. It uses your heart rate monitor to provide real-time cues for effort and recovery, tracking your progress over time. The app offers voice coaching and reminders to help you build a consistent training habit.

Real-time heart rate zone guidanceVoice and haptic interval cuesSupports multiple heart rate monitors
💪 Health & Fitness
(20)
free
8
liber8
liber8
liber8
Precision emotional healing
Free

This app helps you understand the root causes of your emotional stress by documenting triggers and providing personalized recommendations for healing. It facilitates a guided exploration of your nervous system's responses to stress, leading to precise insights and actionable steps for mental and emotional well-being.

Document emotional triggersRoot-cause analysis of stressPersonalized healing recommendations
💪 Health & Fitness
(6)
free
9
ExorLive Assistant
ExorLive Assistant
ExorLive Assistant
by ExorLive AS
Free
💪 Health & Fitness
(0)
10
Battle Bunker Training
Battle Bunker Training
Battle Bunker Training
Stronger than Yesterday
Free

This app offers expert-designed training programs for hybrid athletes, focusing on strength, endurance, and military fitness. It provides structured workouts for various disciplines and guides users to improve performance.

Structured training for strength, running, and hybrid fitnessPull-up mastery plansMilitary-style workouts
💪 Health & Fitness
(10)
free with in-app purchases