Stark Kettlebell vs KLINCH
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stark Kettlebell
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.
- 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
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Optimise your results with Stark Kettlebell! - Be inspired by 51 exercises presented in sharp HD video. - Create your own personal workout. - Get a full body workout with exercises in all ranges of difficulty - While working out, follow the step by step workout-feature which take you through the workout using timers and your chosen specifics. - The timers support different workout types including Tabata, HIIT and Circuit training. - Challenge yourself, get rewards and keep track of your score. - Find exercises targeting specific muscle groups. Integration with Apple Health: Save burned calories and performed workouts. The Kettlebell is well known for the ability to build strength, endurance and explosiveness. Basic exercises like “Swing”, “Snatch” and “Get Up” activate all of your body to give you a great workout! Exercises are performed by the professional instructor, Andreas Lanker.
KLINCH
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.
- 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
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KLINCH is a drilling tool for Muay Thai, Kickboxing, and MMA. You build the combinations you're working on, then drill them against audio cues until they stop requiring thought. BUILD YOUR COMBOS Assemble any combination from punches, kicks, knees, elbows and teeps — plus the defensive movement that belongs between them: slips, checks, parries, catches. THREE WAYS TO DRILL Coach calls each strike out loud, then gives you rest beats to reset your stance before the next rep. Cadence lets you compose the rhythm yourself — bursts, syncopation, pauses — and calls it back exactly as you built it. Pulse is a clean metronome: one strike per beat, at whatever tempo you set. PROGRESS THAT TAKES TIME Every rep counts toward a mastery stage: Fresh, Drilling, Honing, Grooved, and finally KLINCH'D at 1,000 reps. The stages are tuned to take weeks, because that is how long technique actually takes to set. FILM ROOM Record a session and review it afterwards, frame by frame. TRAIN WITH YOUR GYM Coaches can assign combos, broadcast class plans, and see what their students are drilling between sessions. KLINCH ALPHA PRO Free includes 8 combos, 5 guided sessions a week, one saved recording, and 30 days of stats. Alpha Pro removes every limit: unlimited combos, unlimited Coach and Cadence, every recording kept, and your complete training history. $7.99 per month or $49.99 per year. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel any time in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://klinch.club/privacy.html
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Stark Kettlebell | KLINCH |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.7 (544 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 84.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 544 — better | 4 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Best chart rank | #164 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 125 MB |
| Age rating | 4+ | 12+ |
| Developer | Postra AB | NICHOLAS A VALLONE |
Customer experience
Stark Kettlebell
KLINCH
Bugs and requests
Stark Kettlebell
Reported bugs
2 issues- Videos not downloading properly
- App crashing on launch for some users
Requested features
5 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stark Kettlebell
No in-app purchases
KLINCH
- Monthly$7.991 Month
- Yearly$49.991 Year
Questions
Is Stark Kettlebell free?
Is KLINCH free?
Which has better reviews, Stark Kettlebell or KLINCH?
Do Stark Kettlebell or KLINCH have ads?
Which is updated more often, Stark Kettlebell or KLINCH?
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