Comparison

Strength Coach 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

Strength Coach

This app generates Wendler 5/3/1 training plans and tracks powerlifting personal records. It displays warm-up sets and percentage-based calculations for your lifts.

Highlights
  • Wendler 5/3/1 plan generation
  • Powerlifting personal record tracking
  • Warm-up set display
  • Percentage-based calculations
  • Lift tracking
Features
Read full description

An app to generate Wendler 5/3/1 for the user while also tracking powerlifting personal records. Displays warm up sets for Wendler 5/3/1 and percentages for the users personal records.

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. Access a comprehensive exercise library for effective strength building.

Highlights
  • 36 expert-designed programs
  • Custom multi-week plan builder
  • Quick workout options
  • Tabata and HIIT modes
  • 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

Strength Coach4 screens
Kettlebell Lab4 screens

Verdict

The call

The clearest difference is price: Kettlebell Lab at Free against Strength Coach's $0.99. Kettlebell Lab also leads on rating (5.0 vs 4.3) and update cadence (every 5 days vs every 7 months). Strength Coach's advantage is in-app purchases (none vs 3) and ratings volume (4 vs 1). 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; Strength Coach costs $0.99 up front. Kettlebell Lab sells 3 in-app purchases, starting at $4.99 per month. Strength Coach asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kettlebell Lab holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 75% of Strength Coach's written reviews are positive against 100% of Kettlebell Lab's.

UpkeepUpdate frequency

Strength Coach ships an update every 7 months, Kettlebell Lab every 5 days. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

Scorecard8 real differences · 2 level
Strength Coach versus Kettlebell Lab: the parameters behind the verdict, then further details
ParameterStrength CoachKettlebell Lab
Price$0.99Free — better
Rating4.3 (4 ratings)5.0 (1 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings4 — better1
Update frequencyEvery 7 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.0 — better18.0
Further details — not scored
Size2 MB20 MB
Age rating4+4+
DeveloperTiger Bomb LLCAnatomical Consulting LLC

Customer experience

Strength Coach

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Kettlebell Lab

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Strength Coach

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 Strength Coach free?
Strength Coach costs $0.99, with no in-app purchases.
Is Kettlebell Lab free?
Kettlebell Lab is free to download, with in-app purchases available.
Which has better reviews, Strength Coach or Kettlebell Lab?
Kettlebell Lab is rated higher. Strength Coach averages 4.3 out of 5 from 4 ratings, while Kettlebell Lab averages 5.0 from 1 ratings.
Do Strength Coach or Kettlebell Lab have ads?
Neither Strength Coach nor Kettlebell Lab shows ads.
Which is updated more often, Strength Coach or Kettlebell Lab?
Strength Coach ships an update every 7 months, and Kettlebell Lab every 5 days. Most recently, Strength Coach was updated on October 20, 2026 and Kettlebell Lab on October 17, 2026.

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