
Siren - Gym & Fitness Planner
Personalized AI Workouts
Only for iPhone
Free · In‑App Purchases
iPhone
Siren Fitness: AI-Powered Strength Training & Workout Tracker
Train Smarter | Build Strength | Track Progress | 100% Private
Siren Fitness is the ultimate strength training app, now powered by AI-generated workouts. Whether you’re a beginner, intermediate, or advanced lifter, Siren helps you track workouts, optimize progress, and train smarter with personalized recommendations.
With AI-powered programming, deep workout analytics, and seamless iPhone integration, Siren gives you everything you need to log workouts, visualize gains, and stay on track—without distractions. No ads. Just lifting.
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WHAT’S NEW? AI-Powered Workout Builder
Train smarter with AI-generated strength workouts designed for your fitness goals. Simply select the muscles you want to train, and Siren will create a custom routine in seconds—so you can focus on lifting, not planning.
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WHY SIREN?
# Advanced Workout Tracker & Strength Log → Log sets, reps, and weight effortlessly while tracking 1RM, volume, and progressive overload trends.
# AI-Powered Custom Workouts → Let Siren’s AI create personalized strength training programs based on your target muscle groups.
# Strength & Performance Analytics → Gain deep insights with progress tracking, max lifts, and performance trends to optimize your training.
# 100% Private & Secure → Your fitness data is stored in iCloud, not on Siren's servers.
# Effortless Workout Logging → A fast, intuitive workout planner designed for gym workouts, powerlifting, bodybuilding, and hypertrophy training.
# Supersets, Circuits & Custom Workouts → Easily link exercises for high-intensity training, strength endurance, and functional fitness.
# Exercise Library & Pre-Built Workout Plans → Choose from a comprehensive library of exercises or start with curated workout plans designed for muscle building, strength training, and fat loss.
# Live Activities → Stay focused with real-time tracking, workout timers, and progress updates—all without unlocking your phone.
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Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
In this version, we're improving our AI-based workouts to now also suggest sets for you. Siren takes into account your training experience, goals, and past workouts to continuously push you toward your next PR.
The developer, Evenly LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Evenly LLC
- Size
- 60.9 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Monthly $2.99
- Annual $29.99
- Copyright
- © 2025 Evenly LLC