# KBStronger Kettlebell Method vs Behavioral Experiment

The clearest difference is iOS requirement: KBStronger Kettlebell Method at 15.0 against Behavioral Experiment's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

KBStronger Kettlebell Method ships an update monthly, Behavioral Experiment every 3 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | KBStronger Kettlebell Method | Behavioral Experiment |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 133 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Kettlebell Kickboxing Canada LTD](https://appshunter.io/developer/1616908897) | [Everyday Insight LLC](https://appshunter.io/developer/6775709399) |

## What reviewers say

### KBStronger Kettlebell Method

[App page](https://appshunter.io/ios/app/kbstronger-kettlebell-method/id6751393850)

**Features:** macOS Compatibility

**In-app purchases:** none


### Behavioral Experiment

[App page](https://appshunter.io/ios/app/behavioral-experiment/id6810320894)

**In-app purchases:** none


## Frequently asked questions

### Is KBStronger Kettlebell Method free?

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

### Is Behavioral Experiment free?

Behavioral Experiment is free to download, with no in-app purchases.

### Do KBStronger Kettlebell Method or Behavioral Experiment have ads?

Neither KBStronger Kettlebell Method nor Behavioral Experiment shows ads.

### Which is updated more often, KBStronger Kettlebell Method or Behavioral Experiment?

KBStronger Kettlebell Method ships an update monthly, and Behavioral Experiment every 3 weeks. Most recently, KBStronger Kettlebell Method was updated on October 9, 2026 and Behavioral Experiment on October 11, 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.*