# FLK Method vs Rebel Core

The clearest difference is ads: Rebel Core at none against FLK Method's shown. Rebel Core also leads on monetization model (ad-supported vs free with in-app purchases) and ratings volume (239 vs 37). FLK Method's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for FLK Method against 5.0 for Rebel Core. That said, the two scores are not equally well evidenced: Rebel Core has 239 ratings behind it against 37, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FLK Method | Rebel Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (37 ratings)](https://appshunter.io/ios/app/flk-method/id1553975178/reviews) | [5.0 (239 ratings)](https://appshunter.io/ios/app/rebel-core/id6471873842/reviews) |
| Number of ratings | 37 | **239** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 122 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FIT LIKE KRYS LLC](https://appshunter.io/developer/1553975180) | [elev8 fit llc](https://appshunter.io/developer/1716102875) |

## What reviewers say

### FLK Method

[App page](https://appshunter.io/ios/app/flk-method/id1553975178)

Access a virtual fitness studio offering live and on-demand classes for a fun, results-driven workout. Explore a variety of disciplines including toning, yoga, strength, boxing, cycling, and cardio to keep your routine engaging.

**Highlights:** Live fitness classes, On-demand workout library, Variety of class types, Toning and strength training, Yoga and boxing options, Cycling and cardio classes

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Rebel Core

[App page](https://appshunter.io/ios/app/rebel-core/id6471873842)

Manage your bookings for fitness classes. Reserve your spot in upcoming sessions with ease. The app requires user sign-up and sign-in to access class reservations.

**Highlights:** User sign-up and sign-in, Class booking, Spot reservation, Fitness class management

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

**In-app purchases:** none


## Frequently asked questions

### Is FLK Method free?

FLK Method is free to download, with no in-app purchases.

### Is Rebel Core free?

Rebel Core is free to download, with no in-app purchases.

### Which has better reviews, FLK Method or Rebel Core?

FLK Method and Rebel Core are both rated 5.0 out of 5 on the App Store, from 37 and 239 ratings respectively.

### Do FLK Method or Rebel Core have ads?

FLK Method shows ads; Rebel Core does not.

### Which is updated more often, FLK Method or Rebel Core?

FLK Method ships an update monthly, and Rebel Core monthly. Most recently, FLK Method was updated on October 6, 2026 and Rebel Core on October 10, 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.*