# KY vs Ffusion

The clearest difference is rating: KY at 5.0 against Ffusion's 2.8. KY also leads on review sentiment (100% vs 83%) and device support (3 vs 1). Ffusion's advantage is update cadence (every 3 weeks vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. KY sells 2 in-app purchases, starting at $18.99 per month and Ffusion sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

KY holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 100% of KY's written reviews are positive against 83% of Ffusion's.

KY ships an update every 3 months, Ffusion every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | KY | Ffusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ky-fitlive/id1552689108/reviews)** | [2.8 (5 ratings)](https://appshunter.io/ios/app/ffusion/id6511193090/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | **100.0% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 101 MB | 90 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | **iPhone, iPad, Apple TV** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KY-FIT SPORT AND FITNESS S.L.](https://appshunter.io/developer/1552689110) | [Alphapro LLC](https://appshunter.io/developer/1755451353) |

## What reviewers say

### KY

[App page](https://appshunter.io/ios/app/ky-fitlive/id1552689108)

Access live and on-demand guided workouts, personalized training, and nutrition plans. Learn proper technique with video demonstrations and enjoy extra classes for flexibility and mobility, all designed to fit your fitness goals and schedule.

**Highlights:** Live guided workouts, Personalized training plans, Nutrition plans, Technique video tutorials, On-demand extra classes, Mobility and stretching sessions

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KY-FIT.LIVE Monthly | $18.99 | per month |
| KY-FIT.LIVE Yearly | $185.99 | per year |


### Ffusion

[App page](https://appshunter.io/ios/app/ffusion/id6511193090)

This app provides personalized fitness plans and dietary guidance from expert trainers. It offers custom workouts, a comprehensive exercise library with video demonstrations, and over 200 monthly updated recipes. Track your progress, join a supportive community, and achieve your health and wellness goals.

**Highlights:** Personalized workout plans, Exercise library with video demos, On-demand fitness classes, Customizable meal plans, Over 200 recipes updated monthly, Progress tracking and statistics, Community support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mensual | $9.99 | per month |
| Trimestral | $26.99 | per 3 months |
| Anual | $99.99 | per year |


## Frequently asked questions

### Is KY free?

KY is free to download, with in-app purchases available.

### Is Ffusion free?

Ffusion is free to download, with in-app purchases available.

### Which has better reviews, KY or Ffusion?

KY is rated higher. KY averages 5.0 out of 5 from 8 ratings, while Ffusion averages 2.8 from 5 ratings.

### Do KY or Ffusion have ads?

Neither KY nor Ffusion shows ads.

### Which is updated more often, KY or Ffusion?

KY ships an update every 3 months, and Ffusion every 3 weeks. Most recently, KY was updated on October 24, 2026 and Ffusion on October 24, 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.*