# Stark Kettlebell vs KLINCH

The clearest difference is price: KLINCH at Free against Stark Kettlebell's $4.99. KLINCH also leads on rating (5.0 vs 4.7) and update cadence (every 3 weeks vs every 3 months). Stark Kettlebell's advantage is in-app purchases (none vs 2) and ratings volume (544 vs 4). On ads, device support and iOS requirement there is nothing between them.

KLINCH is free to download; Stark Kettlebell costs $4.99 up front. KLINCH sells 2 in-app purchases, starting at $7.99 per month. Stark Kettlebell asks for nothing beyond the download.

KLINCH 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 4, 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 KLINCH's.

Stark Kettlebell ships an update every 3 months, KLINCH every 3 weeks. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stark Kettlebell | KLINCH |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.7 (544 ratings)](https://appshunter.io/ios/app/stark-kettlebell/id474762013/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/klinch-train-muay-thai/id6790994262/reviews)** |
| Number of ratings | **544** | 4 |
| Positive reviews | 84.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Best chart rank | **#190** | — |
| Size | 57 MB | 125 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Postra AB](https://appshunter.io/developer/1807937957) | [NICHOLAS A VALLONE](https://appshunter.io/developer/6790994264) |

## What reviewers say

### Stark Kettlebell

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

**Currently charting:** #190 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


### KLINCH

[App page](https://appshunter.io/ios/app/klinch-train-muay-thai/id6790994262)

This app helps martial artists practice Muay Thai and kickboxing combinations through audio cues and customizable drills. Track your progress through mastery stages and review your technique with video playback. Coaches can also use it to assign drills and monitor student progress.

**Highlights:** Build custom strike and defense combinations, Audio cue drilling with coach calls, Rhythmic drilling with custom cadence, Metronome-style pulse drilling, Progress tracking through mastery stages, Session recording and frame-by-frame review, Coach-assigned drills and student monitoring

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Stark Kettlebell free?

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

### Is KLINCH free?

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

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

KLINCH is rated higher. Stark Kettlebell averages 4.7 out of 5 from 544 ratings, while KLINCH averages 5.0 from 4 ratings.

### Do Stark Kettlebell or KLINCH have ads?

Neither Stark Kettlebell nor KLINCH shows ads.

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

Stark Kettlebell ships an update every 3 months, and KLINCH every 3 weeks. Most recently, Stark Kettlebell was updated on November 10, 2026 and KLINCH on October 31, 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.*