Best Relentless alternatives: apps like Relentless: Mental Toughness

10+ similar apps compared and reviewed

4.6 avg rating
10 free apps
Updated November 2026

Whether you want more options like Relentless or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Relentless

Runked: Running Rank & Plans#1

Runked: Running Rank & Plans by OKTAY KURT

5K, 10K & Marathon Training
3.8(10 ratings)
FreeIn-App Purchases
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This app analyzes your running history to give you a personalized rank, from Bronze to Olympian. It offers adaptive training plans for various race goals and predicts your race times. Track your fitness trends, build streaks, and earn rewards as you climb the ranks.

Kailo: Running + Data#2

Kailo: Running + Data by GetFast AI, Inc.

For data-driven athletes
4.2(13 ratings)
FreeIn-App Purchases
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Share your real-time running and cycling stats with loved ones. This app uses machine learning to analyze your training data, offering personalized race predictions and insights into your progress through interactive charts and conversational data exploration.

The Runstrong Coach#3

The Runstrong Coach by Runstrong

Run, Lift, Compete
4.5(19 ratings)
FreeIn-App Purchases
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This app provides personalized training plans and daily guidance to help athletes and coaches achieve their running goals. Track your progress with detailed logs and insights, all designed to help you set new personal records.

More apps like Relentless

4
MindStrong Sport
MindStrong Sport
MindStrong Sport
Mindset & Mental Training
Free

This app focuses on building mental strength and managing mental health for athletes through mindfulness and performance psychology. It offers guided meditation sessions, short mindset shifts, and in-depth courses to improve focus, confidence, and resilience.

Mindfulness and meditation sessionsMindset shift audio sessionsIn-depth mindset courses
💪 Health & Fitness
(105)
free with in-app purchases
5
Perform: Mental Game Training
Perform: Mental Game Training
Perform: Mental Game Training
Mental Training for Athletes
Free

Enhance your athletic performance with personalized mental training. This app offers daily guided sessions combining visualization, breathing, and journaling, tailored to your sport and current mental state. Track your progress and build mental resilience to excel in competition.

Personalized mental rituals7 mental performance pillars assessmentSport and position-specific exercises
💪 Health & Fitness
(9)
freemium
6
Ayro: Breathwork
Ayro: Breathwork
Ayro: Breathwork
Breathwork for Performance
Free

This app offers a structured breathwork training system to improve performance, endurance, recovery, and focus. It uses a measurable baseline test and personalized training blocks to track progress and adapt to your goals. Quick tools are available for specific moments like pre-workout or mid-day resets.

Measurable baseline breath-hold test (BOLT)Personalized training blocks based on goalsProgress tracking and retesting
💪 Health & Fitness
(32)
freemium
7
Stride: Run Smarter
Stride: Run Smarter
Stride: Run Smarter
by Jonathan Mendoza
Free

This app helps runners train smarter with personalized AI coaching and detailed progress tracking. Coaches can manage entire teams, assign workouts, and track meet results from a central hub. It offers features for both individual athletes and team management, fostering connection and progress.

AI personalized coachingTeam management hubWorkout assignment
💪 Health & Fitness
(10)
freemium
8
Runify: Running Tracker
Runify: Running Tracker
Runify: Running Tracker
GPS Runs, Ranks & Leaderboards
Free

This app transforms your runs into a competitive experience. Earn XP, unlock new tiers, and climb leaderboards by tracking your progress and challenging friends. Visualize your journey with detailed stats and share your achievements.

Gamified running with XP and ranksCompetitive leaderboards (friends, global, local)Track distance, pace, and consistency
💪 Health & Fitness
(245)
free with in-app purchases
9
Supwell
Supwell
Supwell
by Supwell Inc
Free

Discover, buy, and sell running shoes, read in-depth reviews, and track your mileage. Connect with a community of runners and integrate your workout data.

Running shoe marketplaceIn-depth shoe reviewsMileage tracking
💪 Health & Fitness
(102)
subscription
10
The Inner Game
The Inner Game
The Inner Game
Quiet the mind, play your best
Free

This app helps athletes and performers improve their mental game by identifying and quieting self-doubt and fear. It offers daily mental practice, personalized coaching, and courses to enhance performance under pressure.

Performance Profile to identify interference patternsDaily mental practice sessionsPersonalized coaching and concrete actions
💪 Health & Fitness
(18)
free with in-app purchases