# BY SJ — Safe & Effective Workouts > Fitness classes with music, movement, and motivation for strength and energy. (iPhone/iPad app by BODY BY SJ LLC.) - Source: https://appshunter.io/ios/app/by-sj/id1534370562 (this page in markdown: same URL + `.md`) - Developer: [BODY BY SJ LLC](https://appshunter.io/developer/1534370564) - Category: Health & Fitness - Price: Free with in-app purchases - Rating: 5.00/5 from 120 App Store ratings · 50 written reviews indexed - Age rating: 4+ - Requires: iOS 12.2 · 36 MB - Languages: English - Released: 2020-10-10 - Data updated: 2026-06-10 - Monetization: subscription - User reviews in markdown: https://appshunter.io/ios/app/by-sj/id1534370562/reviews.md ## What is BY SJ? NYC fitness professional Samantha Jade fuses music, movement, and motivation to deliver results that will leave you lean, strong, and energized. Join SJ's signature BODY, ABS, or STRETCH live-stream classes, or work out at your own pace with the exclusive on-demand streaming library. Stream from anywhere in the world. Daily live-streamed classes are 50 minutes, and are all available with your subscription. Subscribers also unlock access to an on-demand video library of 5-20 minute workouts, focusing on breath-work, stretching, short cardio bursts, and strength-building. All SJ workouts are designed to leverage your own body strength without equipment, but you are welcome to incorporate light weights to achieve that extra burn. To access all features and content you can subscribe to BY SJ on a monthly or yearly basis with an auto-renewing subscription right inside the app.* Pricing can vary by region and will be confirmed before purchase in the app. In app subscriptions will automatically renew at the end of their cycle. * All payments will be paid through your iTunes Account and may be managed under Account Settings after the initial payment. Subscription payments will automatically renew unless deactivated at least 24-hours before the end of the current cycle. Your account will be charged for renewal at least 24-hours prior to the end of the current cycle. Any unused portion of your free trial will be forfeited upon payment. Cancellations are incurred by disabling auto-renewal. Terms of Service: https://digitalstudio.sjadenyc.com/tos Privacy Policy: https://digitalstudio.sjadenyc.com/privacy ## Key features - Live-streamed classes - On-demand workout library - Bodyweight exercises - Strength training - Stretching routines - Cardio bursts ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | BY SJ Monthly | $29.99 | per month | | BY SJ Yearly | $299.99 | per year | ## Recent user reviews (10 of 50) All indexed reviews: https://appshunter.io/ios/app/by-sj/id1534370562/reviews.md ### 5/5 — Love this app *2023-01-29, version 7.702.1* SJ is a fabulous instructor. The workouts are low impact and not intimidating, but I see actual results. Every time I do SJ’s workouts consistently I see more definition in my muscles and feel stronger. Classes are vibey and music is great. A lot of stretching throughout the workout which feels great. Easy to do on vacation too, which I love. ### 5/5 — Best Classes! *2022-02-16, version 7.204.1* SJ teaches my favorite classes which are good for both mind and body! Can not recommend this app and her platform enough. ### 5/5 — the best instructor and human *2022-02-11, version 7.204.1* i cannot explain how amazing this app is and how amazing SJ is. if i could rate higher than 5 stars i would. the workouts are doable but challenging and difficult. she caters to everyone and is the best ### 5/5 — Everything I needed *2022-02-08, version 7.204.1* Sam is the most intuitive instructor and all out beautiful soul. It’s like she knows exactly what my body needs for the day when she speaks in the first few minutes of each video. Videos range from beginner to advanced and even when things are hard I never feel intimated . I am especially grateful for the prenatal classes she added. They are the perfect balance of challenging and gentle . Best subscription I’ve signed up for in years . The only one I need , well and the Eq+ app to take her soul cycle classes ### 5/5 — Best Fitness App with Authentic Energy *2021-10-20, version 7.001.1* Best app for working out and feeling good. I saw results in just a few days — and feel so HAPPY and in love with my body. Recommend to anyone looking to get in a workout no matter how they feel. ### 5/5 — So much more than a workout *2021-10-19, version 7.001.1* I started doing BY SJ during the pandemic and immediately was hooked. The classes emphasize the importance of strengthening and toning our bodies SAFELY. Sam opens every class with a segment about feeling better, connecting our bodies and minds, and factoring in how you are feeling in that moment. There are a wide variety of classes, ranging from 5-60+ minutes and targeting the entire body or a single segment. These classes truly transform my day every time I take them. So grateful to have found this community! ### 5/5 — Amazing! *2021-10-19, version 7.001.1* Such a great platform - a workout that truly tones your body but more importantly the mental clarity SJ’s workouts provide are the best. Very realistic approach to fitness and health that is sustainable. ### 5/5 — Amazing workout *2021-10-19, version 7.001.1* Amazing mind body soul workout that burns every time! ### 5/5 — Great workout and easy to use app!! *2021-10-19, version 7.001.1* These workouts truly center my mind and body. The platform is very easy to use and the quality is amazing. ### 5/5 — The Best App For Your Mind and Body *2021-10-19, version 7.001.1* SJ has done an incredible job creating a workout that brings everything you need into one app. She shares the importance of stretching, breath-work, and mindset in a workout and offers an incredible full body workout that strengthens your mind and body. It’s a great combination of Pilates style moves and bursts of cardio/HIIT exercises. And can we talk about the music?! Always an incredible playlist that pushes you through and gets you excited to move! ## Frequently asked questions about BY SJ ### What kind of workouts does this app offer? The app offers live-streamed and on-demand fitness classes. These include signature BODY, ABS, and STRETCH classes, as well as shorter workouts focusing on breath-work, stretching, cardio bursts, and strength-building. Workouts are designed to be done using bodyweight but can incorporate light weights. ### How much does the app cost? Access to all features and content requires a subscription, available on a monthly or yearly basis. Pricing can vary by region and will be confirmed before purchase within the app. Subscriptions auto-renew unless deactivated at least 24 hours before the current cycle ends. ### Can I use this app without equipment? Yes, all workouts are designed to leverage your own body strength without requiring equipment. However, you are welcome to incorporate light weights to enhance the intensity of your workouts if desired. ### Where can I stream the classes from? You can stream classes from anywhere in the world. The app provides flexibility for users to access workouts regardless of their geographical location. ### What is the duration of the classes? Daily live-streamed classes are typically 50 minutes long. The on-demand video library features workouts ranging from 5 to 20 minutes, catering to different time constraints and workout preferences. ## Version history (last 1 release) ### 7.702.1 — 2022-10-18 * Bug fixes * Performance improvements ## Apps similar to BY SJ | App | Rating | Price | Category | | --- | --- | --- | --- | | [TF STUDIO](https://appshunter.io/ios/app/tf-studio/id1558654839) | 5.0 (321) | Free | Health & Fitness | | [BY SJ+](https://appshunter.io/ios/app/by-sj-plus/id6446126142) | 4.6 (10) | Free | Health & Fitness | | [Hot Pilates On Demand](https://appshunter.io/ios/app/hot-pilates-on-demand/id1551303472) | 4.8 (40) | Free | Health & Fitness | | [B The Method by Lia Bartha](https://appshunter.io/ios/app/b-the-method-by-lia-bartha/id1521727957) | 5.0 (809) | Free | Health & Fitness | | [DanceBody LIVE](https://appshunter.io/ios/app/dancebody-live/id1486416999) | 4.7 (219) | Free | Health & Fitness | | [The Workout LA](https://appshunter.io/ios/app/the-workout-la/id1600978240) | 4.9 (15) | Free | Health & Fitness | --- *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.*