Comparison

Stark Kettlebell vs Kettlebell Lab

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

Kettlebell Lab

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
Read full description

Kettlebell Lab is a personalized training app built specifically for kettlebell workouts. Follow any of the 36 expert-designed programs, build your own multi-week plan, or jump into a quick workout. Kettlebell Lab keeps your training organized and your progress on track, all with built-in Apple Watch heart rate tracking. FEATURED PROGRAMS & WORKOUTS (Premium) Skip the planning and start training with a library of expert-designed kettlebell training: • Multi-week featured programs for every level, ranging from 3 to 20 weeks. • Ready-to-go pre-made workouts you can start in seconds. • A range of training styles using single bells, double bells, and bodyweight. QUICK WORKOUTS Pick your exercises, set your weights, and go. Choose your workout format: • Standard — classic sets and rest • Circuit — rounds with multiple exercises • TABATA — high-intensity interval training with a built-in timer Create workouts with nearly every possible kettlebell feature, including EMOM interval timers, AMRAP and AMSAP blocks, laddered sets, and many more. Tap the info button beside any format to see exactly how it runs. TABATA MODE Turn any circuit into high-intensity interval training: • Set your own work interval, rest interval, and round count (20 seconds on, 10 seconds off, 8 rounds by default). • Give every round its own exercise or cycle a single exercise through the whole block. • A spoken count-in and interval cues keep you moving without watching the screen. • Follow the countdown on Apple Watch and from your Lock Screen. PROGRAM BUILDER (Premium) Design structured multi-week kettlebell programs tailored to your goals: • Set weekly schedules with repeating, alternating, or fully custom week patterns. • Configure automatic weight and rep progression, including linear or custom per day. • Add ascending and descending rep ladders for advanced training. • Build Tabata, EMOM, AMSAP, and AMRAP work into any training day. • Manage multiple programs and switch between them. APPLE WATCH HEART RATE Pair with Apple Watch to track heart rate throughout every workout. View live HR, average, and max during your session, then review detailed heart rate charts in your workout history. Log AMRAP reps and follow your Tabata intervals right from your wrist. EXERCISE LIBRARY Browse a complete kettlebell exercise glossary with categories for grinds, ballistics, carries, core work, combos, and complexes. Many exercises include video demonstrations and technique explanations. TEMPLATES (Premium) Save any workout or entire program as a reusable template. Load templates to quickly set up new workouts or programs without rebuilding from scratch. LIVE ACTIVITY Track your workout from the Lock Screen and Dynamic Island. See your current exercise, set count, and timer without opening the app, and even pause or resume without unlocking. Audio cues keep coming while your phone is locked, and your workout pauses automatically for a call, Siri, or an alarm. STATS & HISTORY Review every completed workout with detailed session logs. Premium unlocks heart rate charts, exercise history trends, and program progress analytics. MORE FEATURES • Configurable warm-up and cool-down timers • Workout reminders on your schedule • Sound effects and voice announcements • Dark mode • iCloud sync across devices PREMIUM Start with a 7-day free trial, then keep Premium with a monthly or yearly subscription. Due to numerous requests, we now offer a one-time Lifetime purchase. Download Kettlebell Lab and start training today. Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID settings. Lifetime access is a one-time purchase with no auto-renewal. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://multifidus.github.io/kettlebell-lab-privacy/privacy-policy

Screenshots

Stark Kettlebell4 screens
Kettlebell Lab4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard9 real differences · 2 level
Stark Kettlebell versus Kettlebell Lab: the parameters behind the verdict, then further details
ParameterStark KettlebellKettlebell Lab
Price$4.99Free — better
Rating4.7 (544 ratings)5.0 (2 ratings) — better
Positive reviews84.4% of reviews100.0% of reviews — better
Number of ratings544 — better2
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
Best chart rank#62 — better—
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.1 — better18.0
Further details — not scored
Size57 MB20 MB
Age rating4+4+
DeveloperPostra ABAnatomical Consulting LLC

Customer experience

Stark Kettlebell

All ratings544 ratings
Positive93.4%
Neutral2.9%
Negative3.7%
Written reviews179 reviews
Positive84.4%
Neutral3.9%
Negative11.7%

Kettlebell Lab

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Kettlebell Lab

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Stark Kettlebell

No in-app purchases

3 purchases

Kettlebell Lab

Subscriptions2
  • Kettlebell Lab Premium7 Days trial$4.991 Month
  • Kettlebell Lab Premium7 Days trial$39.991 Year
One-time1
  • Lifetime Access$79.99

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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