# Siren - Gym & Fitness Planner — Personalized AI Workouts > AI-powered strength training and workout tracker with personalized plans and private data storage. (iPhone/iPad app by Evenly LLC.) - Source: https://appshunter.io/ios/app/siren-gym-and-fitness-planner/id6451203331 (this page in markdown: same URL + `.md`) - Developer: [Evenly LLC](https://appshunter.io/developer/1624568232) - Category: Health & Fitness, Lifestyle - Price: Free with in-app purchases - Rating: 5.00/5 from 3 App Store ratings - Age rating: 4+ - Requires: iOS 18.0 · 58 MB - Languages: English - Released: 2024-01-09 - Data updated: 2026-06-10 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/siren-gym-and-fitness-planner/id6451203331/reviews.md ## What is Siren? 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. - 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. - 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. -- Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - AI-generated custom workouts - Advanced workout tracker - Strength and performance analytics - 100% private iCloud data storage - Effortless workout logging - Supersets and circuits - Exercise library and pre-built plans ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly | $2.99 | per month | | Annual | $29.99 | per year | ## Frequently asked questions about Siren ### What is Siren? Siren is an AI-powered strength training app that helps users track workouts, optimize progress, and train smarter with personalized recommendations. It offers custom routines based on target muscle groups and provides deep insights into performance trends. All fitness data is stored privately in iCloud. ### How does Siren's AI create workouts? Siren's AI generates personalized strength training programs. Users select the muscles they want to train, and the app creates a custom routine in seconds, allowing users to focus on lifting rather than planning. ### Does Siren have ads? No, Siren is ad-free. The description explicitly states 'No ads. Just lifting.' This ensures an uninterrupted user experience focused solely on training. ### How is my fitness data stored? Your fitness data is stored 100% privately and securely in iCloud, not on Siren's servers. This provides peace of mind regarding data privacy and security. ### What subscription plans does Siren offer? Siren offers a Monthly subscription for $2.99/month and an Annual subscription for $29.99/year. Both plans include a 14-day free trial. ### What devices does Siren support? Siren is currently supported on iPhone. It is designed for seamless integration with the Apple ecosystem. ### How often is Siren updated? Siren was last updated on March 23, 2025, with version 2.6.0. This indicates a commitment to ongoing development and feature improvements. ### What is the age rating for Siren? Siren has an age rating of 4+. This suggests it is suitable for a wide range of users, though its primary audience is adults interested in fitness. ## Version history (last 5 releases) ### 2.6.0 — 2025-03-23 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. ### 2.5.1 — 2025-03-05 We've improved our exercise search feature and squashed a few bugs. Thanks for the feedback! ### 2.5.0 — 2025-03-04 Introducing Personalized Workouts (Beta)! Now, building the perfect workout is easier than ever. Just select the muscles you want to train, and Siren’s AI will generate a custom workout plan tailored to your training style, preferences, and past workouts. No more guesswork—just smarter, more efficient training. Also New: We’ve made it even easier to find the right exercises with improved filters and smarter grouping options—so you can spend less time searching and more time lifting. ### 2.4.0 — 2024-11-19 For 2.4.0, we've been focused on improving the post-workout experience to make it easier to spot when you set new PRs. Let us know what you think! ### 2.3.1 — 2024-10-15 New in 2.3.1: - Try Siren for free (up to 10 workouts) before subscribing. ## Apps similar to Siren | App | Rating | Price | Category | | --- | --- | --- | --- | | [Gym Workout Planner For Women](https://appshunter.io/ios/app/gym-workout-planner-for-women/id1349471733) | 4.9 (4,928) | Free | Health & Fitness | | [Gym Workout Planner - Gym Plan](https://appshunter.io/ios/app/gym-workout-planner-gym-plan/id1041998247) | 4.7 (673) | Free | Health & Fitness | | [Fitbod: Gym & Fitness Planner](https://appshunter.io/ios/app/fitbod-gym-and-fitness-planner/id1041517543) | 4.8 (272,844) | Free | Health & Fitness | | [Strong Workout Tracker Gym Log](https://appshunter.io/ios/app/strong-workout-tracker-gym-log/id464254577) | 4.8 (1,933) | Free | Health & Fitness | | [Muscle Booster - Workout Plans](https://appshunter.io/ios/app/muscle-booster-workout-plans/id1446447749) | 4.1 (9,941) | Free | Health & Fitness | | [Gymverse: Gym Workout Planner](https://appshunter.io/ios/app/gymverse-gym-workout-planner/id1048454034) | 4.8 (537) | Free | Health & Fitness | ## More apps by Evenly LLC - [TimerPal - Multiple Timers](https://appshunter.io/ios/app/timerpal-multiple-timers/id6449160438) All apps by Evenly LLC: https://appshunter.io/developer/1624568232 ## Related topics [evenly llc](https://appshunter.io/ios/topics/evenly-llc) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*