Comparison

MyoAdapt vs Relentless Running

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

Head to head
About

MyoAdapt

This fitness app creates personalized workout plans that adapt in real time to your training history, available equipment, and time constraints. It focuses on science-based methods to help users build muscle effectively, whether they are beginners or experienced athletes.

Highlights
  • Real-time adaptive workout customization
  • Personalized programming for 1-24 muscle groups
  • Advanced specialization for focused growth
  • Workout planning around time constraints (15+ min)
  • Smart exercise substitution for injuries
  • Automatic adaptation to available equipment
  • Progressive overload and recovery tracking
Features
Read full description

Build muscle fast with workouts that adapt to your life. MyoAdapt is a science-based training app that creates personalized workouts and adjusts them as your schedule, recovery, equipment, and progress change. Whether you train at home or in the gym, MyoAdapt helps you keep progressing without relying on generic templates. Experience personal training without the high cost or fixed schedules. Say goodbye to cookie-cutter training programs. Try MyoAdapt free for 7 days. PERSONALIZED TRAINING THAT ACTUALLY ADAPTS MyoAdapt builds a program around you and keeps updating it as you go. - Personalized programming based on your goals - Train 1 to 7 days per week - Sessions from 15 minutes to full-length workouts - Adapts to your available equipment, from full gym to bodyweight only - Smart exercise substitutions and intensity adjustments - Instant replanning when you miss a workout or run short on time - Use the built-in plate calculator to focus on your training instead of gym math - Choose a structured routine or more day-to-day variety BUILT TO HELP YOU GAIN MUSCLE CONSISTENTLY MyoAdapt is designed to keep you progressing over time. - Dynamically adjusts your training to drive progressive overload - Gives you real-time feedback and suggestions on how to improve - Tracks recovery and adapts your program over time - Prioritize the muscle groups you want to grow most - Choose your preferred split, or let MyoAdapt select one for you MORE THAN A TEMPLATE APP Most fitness apps give you a fixed plan. MyoAdapt gives you a system that responds to real life. - Adapts when your schedule changes - Adjusts around injuries and limitations - Helps you stay on track when equipment changes - Includes 450+ exercises and smart substitutions TRAIN FROM YOUR WRIST WITH APPLE WATCH Run your entire workout without touching your phone. - Full workout recommendations on your wrist - Log sets and reps as you go - Built-in rest timers between sets - Real-time suggestions based on your performance - Leave your phone in your bag or pocket BUILT ON EXERCISE SCIENCE MyoAdapt is designed by expert coaches and PhDs in exercise science. Every recommendation is built around evidence-based training principles, not by generic AI. This way, you can always make steady, sustainable progress. Privacy policy: https://myoadapt.com/privacy-policy/ Terms of Use: https://myoadapt.com/terms/ EULA: https://myoadapt.com/eula/

About

Relentless Running

Features
Read full description

Relentless Running puts a knowledgeable running coach in your pocket. Build a personal running plan around your current fitness, schedule, experience and race goals. Your plan adapts as you train, helping you stay consistent without losing sight of the bigger goal. Features: • Personal running plans • Race goals and race-specific planning included • Easy, tempo, threshold, interval, long, fartlek and free runs • Pace and heart-rate zones • Running tests and personal records • Activity history and performance insights • Connect supported fitness services Start with a 7-day free trial, then choose a monthly or annual subscription. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://running.relentlessmethod.com/privacy-policy/

Screenshots

MyoAdapt4 screens
Relentless Running4 screens

Verdict

The call

MyoAdapt and Relentless Running are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. MyoAdapt sells 10 in-app purchases, starting at $16.00 per month and Relentless Running sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

ScorecardNo meaningful differences
MyoAdapt versus Relentless Running: the parameters behind the verdict, then further details
ParameterMyoAdaptRelentless Running
PriceFreeFree
Rating4.7 (270 ratings) — better—
Positive reviews83.1% of reviews—
Number of ratings270 — better—
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17.616.6 — better
Further details — not scored
Size132 MB223 MB
Age rating4+4+
DeveloperAesop Research LtdRelentless Method AB

Bugs and requests

MyoAdapt

Reported bugs

3 issues
  • Text fields not working
  • Sign-up verification email issues
  • Inability to set up workout environment with specific equipment

Requested features

4 requests
  • Audio cue at the end of rest timer
  • Ability to create custom workouts
  • Option to pause timer during workouts
  • Support for supersets

Relentless Running

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

MyoAdapt

Subscriptions10
  • Solo Monthly7 Days trial$16.001 Month
  • Solo Monthly14 Days trial$16.001 Month
  • Solo Monthly7 Days trial$22.001 Month
Show 7 more
  • Solo Monthly14 Days trial$22.001 Month
  • Duo Monthly7 Days trial$24.001 Month
  • Duo Monthly14 Days trial$24.001 Month
  • Solo Yearly7 Days trial$159.991 Year
  • Solo Yearly14 Days trial$159.991 Year
  • Solo Yearly14 Days trial$219.991 Year
  • Solo Yearly7 Days trial$219.991 Year
2 purchases

Relentless Running

Subscriptions2
  • Relentless Running Monthly7 Days trial$14.991 Month
  • Relentless Running Annual7 Days trial$99.991 Year

Questions

Is MyoAdapt free?
MyoAdapt is free to download, with in-app purchases available.
Is Relentless Running free?
Relentless Running is free to download, with in-app purchases available.
Do MyoAdapt or Relentless Running have ads?
Neither MyoAdapt nor Relentless Running shows ads.
Which is updated more often, MyoAdapt or Relentless Running?
MyoAdapt ships an update fortnightly, and Relentless Running fortnightly. Most recently, MyoAdapt was updated on October 30, 2026 and Relentless Running on October 29, 2026.

Other comparisons