Best S2 alternatives: apps like S2: Strength log

10+ similar apps compared and reviewed

4.6 avg rating
9 free apps
Updated November 2026

Whether you want more options like S2 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 S2

HeavySet - Gym Workout Log#1

HeavySet - Gym Workout Log by Runloop Ltd

Strength Training Tracker
Editor's Choice
💪 Health & Fitness
4.6😊(1.3K ratings)
FreeIn-App Purchases
HeavySet - Gym Workout Log screenshot 1
HeavySet - Gym Workout Log screenshot 2
HeavySet - Gym Workout Log screenshot 3
HeavySet - Gym Workout Log screenshot 4
HeavySet - Gym Workout Log screenshot 5
HeavySet - Gym Workout Log screenshot 6

This app is a powerful yet simple workout tracker designed for weightlifting, bodybuilding, and strength training. It allows users to log workouts efficiently, track progress with detailed charts, and manage routines with features like supersets and rest timers.

What We Love

  • 💪 Excellent for serious lifters
  • 👍 Intuitive and easy to use
  • 📊 Detailed progress tracking
  • 💰 Good value for one-time purchase
  • 🔢 Customizable workouts and exercises
  • ⏱️ Helpful timer and rest period features
  • 🧠 Sophisticated features for advanced users

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 🔋 High battery consumption
  • 🤔 Steep learning curve for some users
  • 📱 Lack of Apple Watch integration
  • 🔒 Issues with restoring purchases
Stark Bodyweight#2

Stark Bodyweight by Postra AB

Home & Travel Fitness Workouts
Strong Contender
💪 Health & Fitness
4.7😊(928 ratings)
$4.99In-App Purchases
Stark Bodyweight screenshot 1
Stark Bodyweight screenshot 2
Stark Bodyweight screenshot 3
Stark Bodyweight screenshot 4
Stark Bodyweight screenshot 5
Stark Bodyweight screenshot 6

Access a library of 102 HD video bodyweight exercises and pre-made workout plans. Create custom routines, track progress with timers for Tabata, HIIT, and Circuit training, and integrate with Apple Health to log calories burned and workouts completed.

What We Love

  • 👍 Customizable workouts
  • 📹 Clear exercise demonstration videos
  • 🏃‍♀️ Effective for home/on-the-go workouts
  • 🔥 Challenging and effective workouts
  • 🕰️ Flexible workout duration and intensity
  • 💪 Helps build strength and fitness

Room to Improve

  • 💰 Paid content required to unlock full features
  • 🔒 Locked out of previously purchased content
  • 🔤 Grammatical errors in app
  • 🔊 Lack of audio cues during workouts
Gym Diary: Workout Tracker Log#3

Gym Diary: Workout Tracker Log by Nishan Niraula

Track gym exercise sets & reps
Worth Considering
💪 Health & Fitness
4.3😐(125 ratings)
FreeIn-App Purchases
Gym Diary: Workout Tracker Log screenshot 1
Gym Diary: Workout Tracker Log screenshot 2
Gym Diary: Workout Tracker Log screenshot 3
Gym Diary: Workout Tracker Log screenshot 4
Gym Diary: Workout Tracker Log screenshot 5
Gym Diary: Workout Tracker Log screenshot 6

This app helps you meticulously track every aspect of your gym workouts, from sets and reps to body measurements and nutrition. Plan routines, log exercises, and visualize your progress with detailed graphs to achieve your fitness goals.

What We Love

  • 👍 Simple and easy to use UI
  • 💪 Great for tracking workouts
  • ✅ Allows custom workout routines
  • 📈 Satisfying progress tracking with charts
  • ✨ Sleek and user-friendly design
  • 💬 Outstanding customer service
  • 🛠️ Developer is responsive
  • 🎯 Gets the job done easily
  • 🚀 Efficient workout logging
  • 💯 Best app for fitness journey
  • 🌟 Highly recommended
  • 💡 Flexible exercise and plan creation
  • ✅ Can add custom exercises
  • 📊 Good for analytics and improvement
  • 👍 User-friendly for beginners
  • ❤️ Love the app
  • ✨ Organized and keeps users on track
  • 🚀 Simple and effective
  • 💯 Amazing app

Room to Improve

  • 💰 Paywall for basic features
  • 💸 Forced to pay for membership again
  • 🚫 No free trial or limited features
  • 📉 Updates are poor and buggy
  • 🔒 Many features locked by subscription
  • ⚠️ App crashes between sets
  • 🐛 Data loss due to freezing
  • ❌ Can't use on other devices
  • 🤔 Basic amenities require payment
  • 👎 Extremely basic, not worth paying for
  • ❌ Can only use effectively with premium
  • 🐛 Latest update is buggy
  • ❌ Unusable without premium
  • 💸 Waste of money to remove ads
  • 🐛 Bugs prevent adding exercises/reps
  • 🐛 App closes when making new exercise
  • 🐛 Won't save sets
  • 🐛 Bugs don't save workouts correctly
  • 🐛 App freezes and data lost
  • ❌ Not user-friendly
  • ❌ Can't edit exercises
  • ❌ Overweight feedback is discouraging
  • ❌ Wrong units (metric vs. feet/inches)
  • 😩 Too many ads
  • 🤷‍♂️ Workouts added to plans appear different
  • 🐛 Crashing after purchasing
  • 🚫 No way of removing logs
  • 🤔 Need to orient workout by day of week
  • ⚠️ Fiddly UI at times
  • 🔒 History of exercises became premium feature

More apps like S2

4
FitnessKit: PT Client Coach
FitnessKit: PT Client Coach
FitnessKit: PT Client Coach
Coach more clients with AI
Free

Create custom workout plans, track your progress, and access a large exercise database with example videos. This app serves as a digital fitness passport for personal use or for training clients, eliminating the need for paper logs.

Create custom workout programsTrack progress over timeLarge exercise database
💪 Health & Fitness
(148)
ad-supported
5
Gym Workout Tracker: Liftlog+
Gym Workout Tracker: Liftlog+
Gym Workout Tracker: Liftlog+
Routine Planner & Progress Log
Free

Plan and log your gym workouts with ease. Access a vast library of exercises, build custom routines, and track your progress with detailed charts and personal records. Integrates with Apple Health and offers iCloud backup.

Workout planning and routine buildingLog sets, reps, and weightAutomatic rest timers
💪 Health & Fitness
(55)
freemium
6
IRON Weight Lifting Tracker
IRON Weight Lifting Tracker
IRON Weight Lifting Tracker
Workout Planner & Gym Log
Free

This app helps weightlifters track workouts, plan routines, and log sets. It offers detailed performance metrics, exercise information with videos, and a comprehensive workout history. Tailor plans for muscle growth, strength, or fat loss.

Build custom workoutsLog sets with autofillTrack performance metrics
💪 Health & Fitness
(420)
free with in-app purchases
7
FitHero - Gym Workout Tracker
FitHero - Gym Workout Tracker
FitHero - Gym Workout Tracker
Fitness Planner Weight Lifting
Free

Plan and track your gym workouts with detailed exercise logs, video demonstrations, and personalized routine generation. Measure your progress, build healthy habits, and achieve your fitness goals with this intuitive and ad-free application.

Log workouts, exercises, sets, and reps400+ exercises with video demonstrationsCreate custom routines and add exercises
💪 Health & Fitness
(186)
freemium
8
Routine: Workout Tracker
Routine: Workout Tracker
Routine: Workout Tracker
Gym Logging & fitness tracking
Free

Easily log and track your gym workouts with this intuitive fitness app. Create custom routines, monitor progress with advanced stats and graphs, and utilize features like an auto rest timer and warm-up set generator. It supports various exercise types and integrates with Apple Watch and Apple Health.

Intuitive workout logging interfaceCreate custom strength and cardio routinesLog workouts with Apple Watch
💪 Health & Fitness
(116)
paid
9
Simple Workout Log - Ironotes
Simple Workout Log - Ironotes
Simple Workout Log - Ironotes
Strength Training Tracker
Free

This app helps you track your strength training progress with a minimalist interface. Log sets, monitor trends, and achieve personal records without distractions. It focuses on core principles like progressive overload and consistency.

Unlimited custom workoutsLog sets in secondsAuto-load previous sets
💪 Health & Fitness
(373)
free with in-app purchases
10
Weightlifting Log: GymKing
Weightlifting Log: GymKing
Weightlifting Log: GymKing
Simple Gym & Workout Tracker
Free

This app provides a streamlined and efficient way for weightlifters to log their gym sessions. It allows users to easily record workouts, track personal records, and monitor key metrics like 1RM and volume. The interface is clean and user-friendly, focusing on essential tracking features without unnecessary complexity.

Log workoutsCreate custom exercisesTrack personal records
💪 Health & Fitness
(32)
free with in-app purchases