# FIS On Demand vs Buff Muff

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.

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.

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.

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.

## The numbers

| Metric | FIS On Demand | Buff Muff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (45 ratings)](https://appshunter.io/ios/app/fis-on-demand/id1567868369/reviews)** | [3.6 (166 ratings)](https://appshunter.io/ios/app/buff-muff/id1594400611/reviews) |
| Number of ratings | 45 | **166** |
| Positive reviews | **100.0% of reviews** | 56.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 63 MB | 65 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Lauren Eirk Enterprises, LLC.](https://appshunter.io/developer/1567868371) | [Pelvienne Wellness Inc](https://appshunter.io/developer/1594400613) |

## What reviewers say

### FIS On Demand

[App page](https://appshunter.io/ios/app/fis-on-demand/id1567868369)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fitness Integrated Monthly | $19.99 | per month |
| FIS OnDemand Premier (Monthly) | $19.99 | per month |
| Fitness Integrated Yearly | $159.99 | per year |
| FIS OnDemand Premier (Yearly) | $159.99 | per year |


### Buff Muff

[App page](https://appshunter.io/ios/app/buff-muff/id1594400611)

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:** macOS Compatibility, Apple Watch app

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Workouts | $15.00 | per month |
| Subscription | $26.99 | per month |
| Subscription | $26.99 | per month |
| Yearly Membership | $119.00 | per year |
| Annual | $196.99 | per year |
| Onetime Subscription | $17.00 | one-time |
| Buff Muff Challenge Only | $26.99 | one-time |
| Birth Like A Boss Only | $26.99 | one-time |
| BuffMuffChallenge | $27.99 | one-time |

**What reviewers like**

- 🌟 Excellent program with immediate results
- 👍 Easy to follow exercises that are quick
- 💪 Helps strengthen the pelvic floor
- 🤗 Friendly and engaging instructor
- 🧠 Provides helpful information and education

**What reviewers complain about**

- 🐛 App is glitchy and freezes/crashes
- 🔒 Difficult to cancel subscription
- 💰 Expensive subscription model
- 🤔 Misleading advertising about content
- 📚 Limited free content, most is locked behind paywall

**Reported bugs**

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

**Requested features**

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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*