Comparison

FIS On Demand vs Buff Muff

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FIS On Demand

This app offers joint-friendly strength training specifically designed for individuals over 50. It focuses on building muscle safely, improving mobility, and reducing joint pain through a unique isometric method. Access hundreds of workouts tailored to various needs and levels.

Highlights
  • Joint-friendly strength training
  • FIS 5-Step Isometric Method
  • Reduce joint pain and stiffness
  • Improve balance, mobility, and posture
  • Hundreds of workouts for all levels
  • Programs for specific pain areas
  • Bone-safe strength training
Features
Read full description

Explore a complete library of joint-friendly strength programs, workouts, muscle health education, and expert guidance designed specifically for adults over 50. Whether your goal is to build strength, reduce pain, improve balance, or simply feel more confident in your body, you'll discover a smarter, more purposeful approach to exercise. During your free trial, you can: • Explore every workout and program • Learn the FIS 5-Step Isometric Method™ • Watch educational videos that help you understand your muscles and your body • Access new content added each week • Join the FIS community for encouragement and support We hope these next seven days show you just how much stronger and more capable your body can become. Welcome to FIS OnDemand! Our app offers auto-renewing subscriptions. You'll receive unlimited access to content on all your devices. Payment is charged to your account at confirmation of purchase. Pricing varies by location and is confirmed prior to purchase. Subscription automatically renews each month unless canceled at least 24 hours before the end of the current billing period, or the trial period (when offered). Cancel anytime in Account Settings. Terms of service: https://fisondemand.com/pages/terms Privacy policy: https://fisondemand.com/pages/privacy

About

Buff Muff

This app offers expert-backed routines for pelvic floor fitness, targeting muscles often missed by Kegels. It helps relieve incontinence, urgency, and prolapse symptoms while rebuilding strength and confidence. Access daily workouts, educational videos, challenges, meal plans, and expert interviews.

Highlights
  • Daily pelvic floor workouts
  • Educational videos on women's health
  • 28-day pelvic floor challenges
  • Holistic meal plans
  • Interviews with pelvic health experts
  • Apple Watch integration for workout tracking
Features
Read full description

The Buff Muff Method: When Kegels Failed, 6,000+ Women Turned to This Expert-Backed Routine to Finally Feel Like Themselves Again Recommended by pelvic floor specialists, these 10-minute routines target the muscles Kegels often miss — helping relieve stress incontinence, urgency, and prolapse, while rebuilding strength and restoring confidence. ► BECAUSE EVERY VAGINA NEEDS A COACH! “Every Vagina Needs A Coach” and now you can have your own coach, Kim Vopni, right in your pocket! This is the all-in-one app for your pelvic floor. Everything you need to master your pelvic health. The Buff Muff Method has helped thousands of women learn how to do pelvic floor exercises correctly and most effectively. Ditch the incontinence pads, eliminate your prolapse symptoms and get back to living life to the fullest! The full membership includes; ► DAILY WORKOUTS Complete the daily pelvic health workouts with professionally selected pelvic floor exercises for women. All the workouts help you strengthen and optimize your pelvic floor, eliminate symptoms and regain your confidence. Whether you want to workout along with me or pick the exercises of your choice, it’s all yours. See progress every day! ► EDUCATIONAL VIDEOS AND EXERCISES Unlike most kegel trainers & pelvic health workout apps, Buff Muff dives deeper in women’s health issues. Here you can also watch educational videos and exercises designed to help you relieve chronic pain, stop incontinence, overcome constipation, recover from prolapse, and more! ►BUFF MUFF CHALLENGES Do you have a hard time practicing pelvic floor health exercises? Then join the 28-day Buff Muff challenge to train and strengthen your pelvic floor with a whole body approach. This challenge helps you stay focused and motivated to combat bothersome pelvic floor symptoms. ►MEAL PLANS Compared to most pelvic floor fitness apps, Buff Muff also gives you detailed meal plans to help you journey towards holistic women’s health. ►GUEST EXPERTS Want to dive deeper into pelvic health issues? Watch the exclusive interviews from world-class experts on pelvic health. ►COMMUNITY We are also here to coach, motivate and support you in every step of your journey! — Buff Muff includes Apple Watch - You can track your workouts and meet your fitness goals. - Monitor Stats during Workouts: View heart rate/calories burned on your watch & video player. - HEALTH App: Apple Watch integrates with Apple's Health app (Healthkit) to track workouts, duration, calories burned, heart rate, and active energy. You choose the data you want stored, and you can change it anytime in the Health app. - FITNESS App: Apple Watch integrates with Apple's Fitness App, and workouts contribute to your daily goals. View stats, share your activity, and get those Activity Rings! - Use your Watch as a Remote: Play, stop, & rewind videos without interrupting workouts. - Install using iPhone: Install app on iPhone, open Watch app, select "Show on Apple Watch". —— ▷ Already a Member? Sign-In to access your subscription. ▷ New? Subscribe in the app to get instant access. Buff Muff offers auto-renewing subscriptions. You'll receive unlimited access to content on all your devices. Payment is charged to your account at confirmation of purchase. Pricing varies by location and is confirmed prior to purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current billing period, or the trial period (when offered). Cancel anytime in Account Settings. For more information see our: -Terms of Service: https://app.buffmuff.com/terms -Privacy Policy: https://app.buffmuff.com/privacy

Screenshots

FIS On Demand3 screens
Buff Muff3 screens

Verdict

The call

The clearest difference is review sentiment: FIS On Demand at 100% against Buff Muff's 56%. FIS On Demand also leads on rating (5.0 vs 3.6). Buff Muff's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (166 vs 45). On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FIS On Demand sells 4 in-app purchases, starting at $19.99 per month and Buff Muff sells 9 in-app purchases, starting at $15.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

FIS On Demand holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 45 and 166 respectively. Written reviews point the same way: 100% of FIS On Demand's written reviews are positive against 56% of Buff Muff's.

UpkeepUpdate frequency

FIS On Demand ships an update monthly, Buff Muff every 5 weeks. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
FIS On Demand versus Buff Muff: the parameters behind the verdict, then further details
ParameterFIS On DemandBuff Muff
PriceFreeFree
Rating5.0 (45 ratings) — better3.6 (166 ratings)
Positive reviews100.0% of reviews — better56.3% of reviews
Number of ratings45166 — better
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.015.0
Further details — not scored
Size63 MB65 MB
Age rating4+17+
DeveloperLauren Eirk Enterprises, LLC.Pelvienne Wellness Inc

Customer experience

FIS On Demand

All ratings45 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews40 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Buff Muff

All ratings166 ratings
Positive63.3%
Neutral5.4%
Negative31.3%
Written reviews135 reviews
Positive56.3%
Neutral7.4%
Negative36.3%

Bugs and requests

FIS On Demand

Not enough reviews yet to summarise bugs or requests.

Buff Muff

Reported bugs

3 issues
  • Videos not loading or freezing
  • Login issues and inability to access account
  • Incorrect billing and subscription management

Requested features

5 requests
  • Ability to easily cancel subscription
  • Offline access to content
  • More free educational resources
  • Improved app stability and performance
  • Light mode option for better readability

In-app purchases

4 purchases

FIS On Demand

Subscriptions4
  • Fitness Integrated Monthly7 Days trial$19.991 Month
  • FIS OnDemand Premier (Monthly)7 Days trial$19.991 Month
  • Fitness Integrated Yearly7 Days trial$159.991 Year
Show 1 more
  • FIS OnDemand Premier (Yearly)$159.991 Year
9 purchases

Buff Muff

Subscriptions5
  • Workouts$15.001 Month
  • Subscription$26.991 Month
  • Subscription14 Days trial$26.991 Month
Show 2 more
  • Yearly Membership7 Days trial$119.001 Year
  • Annual7 Days trial$196.991 Year
One-time4
  • Onetime Subscription$17.00
  • Buff Muff Challenge Only$26.99
  • Birth Like A Boss Only$26.99
Show 1 more
  • BuffMuffChallenge$27.99

Questions

Is FIS On Demand free?
FIS On Demand is free to download, with in-app purchases available.
Is Buff Muff free?
Buff Muff is free to download, with in-app purchases available.
Which has better reviews, FIS On Demand or Buff Muff?
FIS On Demand is rated higher. FIS On Demand averages 5.0 out of 5 from 45 ratings, while Buff Muff averages 3.6 from 166 ratings.
Do FIS On Demand or Buff Muff have ads?
Neither FIS On Demand nor Buff Muff shows ads.
Which is updated more often, FIS On Demand or Buff Muff?
FIS On Demand ships an update monthly, and Buff Muff every 5 weeks. Most recently, FIS On Demand was updated on October 9, 2026 and Buff Muff on October 17, 2026.

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