Function Online vs DEMI ON DEMAND
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Function Online
Engage in fun and effective workouts designed by women, accessible from anywhere. Strengthen, lengthen, and tone your body with follow-along classes suitable for all fitness levels. Join a supportive community and access a variety of workout programs and challenges.
- 100+ classes in diverse categories
- 3-5 new classes weekly
- Written workout programs
- Fitness challenges
- Expert instructor-led sessions
- Suitable for all fitness levels
Read full descriptionHide full description
Welcome to Function Online! Experience fun & effective workouts powered by women that you can do from ANYWHERE! These workouts are designed to make you feel your best & enjoy moving your body in all forms. Strengthen, lengthen, & tone your body with our follow along workouts. There is something for all fitness levels whether you're a beginner or looking for something more advanced! This is the official online workout platform from Function Studios Inc. - winner of best gym in Newmarket/Aurora 2018, 2019, and 2020. Come sweat with our expert instructors online, and become a part of something so much more than your average gym. We can't wait for you to join our Function family! What's included: - 100+ classes available from many categories including Pilates, Full Body, Barre, Yoga & Meditation, Boxing, Cardio/HIIT, Beginner Friendly, Stretch, and SO much more! - 3 to 5 new classes added weekly - Written workout programs you can do from home or the gym - Access to fitness challenges Connect with us on social media to learn more about our community of strong women: Instagram @functionstudiosinc Facebook @functionstudiosinc To access all features and content you can subscribe to Function Online 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://www.functiononline.app/tos Privacy Policy: https://www.functiononline.app/privacy
DEMI ON DEMAND
Read full descriptionHide full description
Demi On Demand brings Strength Pilates to you — on one platform, on your schedule, on demand. MEMBERSHIP BENEFITS: • Hundreds of on-demand classes you can take anywhere, anytime • Train live with Demi through real-time guided sessions • A full library of Strength Pilates sessions designed for all levels • Signature classes including Strength Flow, Strength Sets, Foundations Flow, and Recovery • Access to weekly new classes and updated sequences for continual progress MEMBERSHIP OPTIONS: • MAT — Access a full library of mat on demand and live classes for every level and training style • REFORMER — Access a full library of reformer on demand classes for every level and training style • MAT + REFORMER — Full access to the entire library of mat and reformer classes and live streams for maximum results CLASS CATEGORIES INCLUDE: • STRENGTH FLOW – Demi’s signature class blends Pilates precision with strength training through intentional flows. Fast-paced sequences will challenge your core, build muscular endurance, and enhance focus. Move fluidly while strengthening every muscle. • STRENGTH SETS – Using heavier spring loads and repeated sets, this class mirrors traditional training to build strength through control and repetition. Expect full-body engagement, refined form, and power that builds rep by rep. • SCULPT – Pilates-inspired movement designed to elevate your heart rate through fast-paced, dynamic flows. • FOUNDATIONS FLOW – Learn alignment, breath, and movement mechanics to train smarter, safer, and stronger. Builds confidence, control, and understanding that improves every other class. • RECOVERY – Slower-paced sessions designed to restore mobility, release tension, and support sustainable training SCULPT. STRENGTH. FLOW.
Screenshots
Verdict
The clearest difference is in-app purchases: DEMI ON DEMAND at none against Function Online's 2. DEMI ON DEMAND also leads on update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Function Online sells 2 in-app purchases, starting at $18.99 per month. DEMI ON DEMAND asks for nothing beyond the download.
Function Online ships an update every 4 months, DEMI ON DEMAND every 2 months. The most recent releases landed on September 22, 2026 and September 3, 2026 respectively.
| Parameter | Function Online | DEMI ON DEMAND |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 50 MB | 121 MB |
| Age rating | 4+ | 17+ |
| Developer | Function Online Inc. | Sutra Fitness, Inc. |
In-app purchases
Function Online
- Function Online Monthly7 Days trial$18.991 Month
- Function Online Yearly7 Days trial$189.991 Year
DEMI ON DEMAND
No in-app purchases





