# Stark Kettlebell vs Kettlebell Lab

The clearest difference is price: Kettlebell Lab at Free against Stark Kettlebell's $4.99. Kettlebell Lab also leads on update cadence (weekly vs every 3 months) and rating (5.0 vs 4.7). Stark Kettlebell's advantage is in-app purchases (none vs 3) and ratings volume (544 vs 2). On ads and device support there is nothing between them.

Kettlebell Lab is free to download; Stark Kettlebell costs $4.99 up front. Kettlebell Lab sells 3 in-app purchases, starting at $4.99 per month. Stark Kettlebell asks for nothing beyond the download.

Kettlebell Lab holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Stark Kettlebell has 544 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 84% of Stark Kettlebell's written reviews are positive against 100% of Kettlebell Lab's.

Stark Kettlebell ships an update every 3 months, Kettlebell Lab weekly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Stark Kettlebell | Kettlebell Lab |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.7 (544 ratings)](https://appshunter.io/ios/app/stark-kettlebell/id474762013/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kettlebell-lab/id6760519461/reviews)** |
| Number of ratings | **544** | 2 |
| Positive reviews | 84.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Best chart rank | **#62** | — |
| Size | 57 MB | 20 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Postra AB](https://appshunter.io/developer/1807937957) | [Anatomical Consulting LLC](https://appshunter.io/developer/1868127660) |

## What reviewers say

### Stark Kettlebell

[App page](https://appshunter.io/ios/app/stark-kettlebell/id474762013)

**Currently charting:** #62 Top Paid · Health & Fitness (US App Store)

This app provides a comprehensive guide to kettlebell training with HD video demonstrations of 51 exercises. Users can create custom workouts, track progress, and utilize built-in timers for various training styles like Tabata and HIIT. It integrates with Apple Health to log workouts and burned calories.

**Highlights:** 51 HD video exercises, Custom workout creation, Step-by-step workout guidance, Tabata, HIIT, and Circuit timers, Progress tracking and rewards, Targeted muscle group exercises, Apple Health integration

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

**In-app purchases:** none

**What reviewers like**

- 👍 Customizable workouts
- 🎥 Clear exercise videos
- 🕰️ Effective timer and interval options
- 🤝 Integrates with Health app
- 💪 Challenging and effective workouts

**What reviewers complain about**

- 🤔 Limited pre-built workout options
- 🔀 Difficulty rearranging custom workouts
- 🔇 Lack of audio cues/guidance during workouts
- 🤖 Unintuitive interface
- 💰 Expensive for limited content

**Reported bugs**

- Videos not downloading properly
- App crashing on launch for some users

**Requested features**

- More pre-built workout options
- Ability to rearrange custom workouts
- Audio cues for exercises and timing
- Improved workout customization options
- Integration with music/fitness apps


### Kettlebell Lab

[App page](https://appshunter.io/ios/app/kettlebell-lab/id6760519461)

This app offers personalized kettlebell training with expert-designed programs and customizable workout builders. Track your progress, heart rate with Apple Watch, and utilize various interval training modes for effective fitness routines.

**Highlights:** 36 expert-designed programs, Custom multi-week program builder, Quick workout creation, Tabata and HIIT interval timers, Apple Watch heart rate tracking, Exercise library with videos, Live Activity for Lock Screen tracking

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kettlebell Lab Premium | $4.99 | per month |
| Kettlebell Lab Premium | $39.99 | per year |
| Lifetime Access | $79.99 | one-time |


## Frequently asked questions

### Is Stark Kettlebell free?

Stark Kettlebell costs $4.99, with no in-app purchases.

### Is Kettlebell Lab free?

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

### Which has better reviews, Stark Kettlebell or Kettlebell Lab?

Kettlebell Lab is rated higher. Stark Kettlebell averages 4.7 out of 5 from 544 ratings, while Kettlebell Lab averages 5.0 from 2 ratings.

### Do Stark Kettlebell or Kettlebell Lab have ads?

Neither Stark Kettlebell nor Kettlebell Lab shows ads.

### Which is updated more often, Stark Kettlebell or Kettlebell Lab?

Stark Kettlebell ships an update every 3 months, and Kettlebell Lab weekly. Most recently, Stark Kettlebell was updated on November 6, 2026 and Kettlebell Lab on November 5, 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.*