Pilates by Kerstin vs TF STUDIO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pilates by Kerstin
This app offers a mindful approach to fitness with low-impact Pilates workouts designed for longevity. It focuses on building strength, creating leaner muscles, and fostering a healthy relationship with exercise, food, and your body. Access guided routines, healthy recipes, and restorative practices for a holistic wellness journey.
- Low-impact Pilates workouts
- 30-Day Signature Program
- Healthy recipes for mindful eating
- Yoga and stretch routines
- Calming sound bowl meditations
- At-home fitness
Read full descriptionHide full description
A Calm, Mindful Approach To Pilates & A Healthy Lifestyle The Pilates By Kerstin method is designed for longevity, meaning it will teach you how to have a fitness routine that lasts a lifetime and makes you love working out. This program will transform your body with low-impact workouts you look forward to, and create a healthy relationship with exercise, food, and your body. With Kerstin’s method, you will be stronger within 4 weeks, will have longer leaner muscles within 8 weeks, and see an overall change in your body within 12 weeks. The workouts - Pilates by Kerstin workouts combine the classical style of pilates with Kerstin’s own signature movements, designed to give you a well-rounded workout every time. Her low-impact, at-home workouts incorporate intentional & controlled movements for a strong, toned, and sculpted body. Start with her 30-Day Signature Program and begin to develop a balanced movement routine that can last you a lifetime. Nutrition - Kerstin believes in creating a healthy relationship with food and your body. Pilates By Kerstin offers healthy recipes that encourage mindful, intuitive eating. You will not feel deprived or restricted from your favorite foods, but will have healthy options to choose from that are easy to make at home, and will seamlessly blend into your routine. Stretch + Restore - Pilates By Kerstin includes yoga routines, stretch videos, and calming sound bowl meditations to enjoy pre/post workout or on your days off. To access all features and content you can subscribe to Pilates by Kerstin 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://pilatesbykerstin.vhx.tv/tos Privacy Policy: https://pilatesbykerstin.vhx.tv/privacy
TF STUDIO
This app offers dynamic Pilates workouts designed for at-home use, focusing on sculpting and strengthening without bulk. It features a blend of classic Pilates with strength-based sequences, suitable for all levels and available live, on-demand, or as reformer classes.
- Dynamic Power Pilates method
- Strength-based, flowing sequences
- Live, on-demand, and reformer classes
- Beginner to advanced workouts
- Smart filters for class selection
- Pregnancy-friendly and cycle-syncing options
Read full descriptionHide full description
Your at-home Pilates app for long, lean results. Access Power Pilates workouts that sculpt and strengthen, without the bulk. Start your 7-day free trial today. T — F Studio’s dynamic Power Pilates method blends classic Pilates with strength-based, flowing sequences using light weights, bands, and reformer-inspired moves. The result is a high-intensity, low-impact workout that tones, lengthens, and sculpts while reducing cortisol and stress. This is the Pilates app for LIVE, ON-DEMAND & REFORMER classes, anytime, anywhere. Created by Tasha Franken, Pilates expert & certified nutritionist, T — F Studio offers: • New classes weekly and reformer classes biweekly • Beginner to advanced workouts • Strength, cardio, pregnancy-friendly, cycle-syncing, and meditation classes • Smart filters for duration, body part, equipment, or intensity Whether you have 10 minutes or an hour, find online Pilates classes on demand designed to fit your life, body, and goals. Terms of Service: https://www.tashafranken.tv/tos Privacy Policy: https://www.tashafranken.tv/privacy
Screenshots
Verdict
The clearest difference is monetization model: TF STUDIO at free with in-app purchases against Pilates by Kerstin's subscription. TF STUDIO also leads on ratings volume (337 vs 86). On price, rating, review sentiment and update cadence 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. Pilates by Kerstin sells 2 in-app purchases, starting at $14.99 per month and TF STUDIO sells 7 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Pilates by Kerstin against 4.9 for TF STUDIO. Both are backed by a comparable volume of ratings — 86 and 337 respectively. Written reviews are what separate them: 99% of Pilates by Kerstin's written reviews are positive against 97% of TF STUDIO's.
Pilates by Kerstin ships an update every 3 months, TF STUDIO every 2 months. Both last shipped on November 3, 2026.
| Parameter | Pilates by Kerstin | TF STUDIO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (86 ratings) — better | 4.9 (337 ratings) |
| Positive reviews | 98.8% of reviews — better | 97.4% of reviews |
| Number of ratings | 86 | 337 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, Apple TV — better |
| Requires iOS | 16.6 | 16.6 |
| Further details — not scored | ||
| Size | 106 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | Pilates By Kerstin | Franken Worldwide Inc. |
Customer experience
Pilates by Kerstin
TF STUDIO
User reviews
Pilates by Kerstin
From 86 App Store ratingsWhat we love
- 🧘 Calming instructor with soothing voice
- 💪 Effective workouts with visible results
- 📱 User-friendly app interface and navigation
- ⏱️ Flexible workout lengths for busy schedules
- 🎯 Multiple difficulty levels (beginner to advanced)
Room to improve
- 📊 Limited new content updates
- 🔄 Repetitive workouts after extended use
- 💳 Billing and refund issues
- ⚠️ Inconsistent rep counts and pacing between sets
- 📝 Lack of workout descriptions/tags for filtering
TF STUDIO
From 337 App Store ratingsWhat we love
- 💪 Effective and challenging workouts
- 🧘♀️ Calming and grounding instruction
- 🔥 Visible body transformation results
- 🤩 Enjoyable and motivating
- 🧠 Holistic approach to health and wellness
Room to improve
- 🐛 Occasional app glitches or video playback issues
- 🔍 Difficulty finding specific workouts
- 🕰️ Wish for more live/interactive classes
Bugs and requests
Pilates by Kerstin
Reported bugs
3 issues- Wrongful charges after cancellation
- Unresponsive customer support for billing disputes
- One-star reviews being suppressed/not posted
Requested features
5 requests- More frequent new workout uploads (weekly or bi-weekly)
- Workout descriptions and tags for filtering by modifications (knee-friendly, etc.)
- Custom folder organization for saved workouts
- More detailed form and breathing cues during workouts
- Easier variations shown during exercises
TF STUDIO
Reported bugs
2 issues- Some videos not playing properly
- Occasional app crashes
Requested features
3 requests- Custom playlists or favorites feature
- Improved video progress tracking
- More streaming options for TV integration
In-app purchases
Pilates by Kerstin
- Pilates by Kerstin Monthly7 Days trial$14.991 Month
- Pilates by Kerstin Yearly7 Days trial$144.991 Year
TF STUDIO
- TF STUDIO Monthly7 Days trial$19.991 Month
- TF STUDIO Yearly7 Days trial$179.991 Year
- T - F Studio - 999$9.99
- T - F Studio - 1499$14.99
- T - F Studio - 2099$20.99
Show 2 moreShow fewer
- T - F Studio - 2999$29.99
- T - F Studio - 19999$199.99
Questions
Is Pilates by Kerstin free?
Is TF STUDIO free?
Which has better reviews, Pilates by Kerstin or TF STUDIO?
Do Pilates by Kerstin or TF STUDIO have ads?
Which is updated more often, Pilates by Kerstin or TF STUDIO?
Other comparisons















