K PILATES vs StrengthCharts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
K PILATES
Book and manage Pilates classes with ease. Connect with instructors, find classes that suit your schedule and skill level, and purchase class packages. Stay on track with your fitness journey from anywhere.
- Book classes
- Manage bookings
- Purchase class packages
- Connect with instructors
- Find classes by schedule and skill level
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Elevate your fitness journey with K PILATES, the ultimate app for booking and enjoying classes wherever you are. Whether you’re a seasoned pro or just starting out, the K PILATES app makes it easy to stay connected with our instructors, book a class that fit your schedule and skill level, purchase class packages, and manage your bookings.
StrengthCharts
Track your gym progress with detailed analytics and compare your strength levels against friends. Log your personal records, see your ranking across various exercises, and compete on leaderboards. Features include PR tracking, tier systems, and body measurement trends.
- Log personal records (PRs)
- Estimated 1-rep max calculation
- Strength tier ranking system
- Friend leaderboards
- Body measurement tracking
- Workout session logging
- Data export
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Are you actually getting stronger? StrengthCharts turns your gym sessions into data, showing you exactly where you rank, how fast you're progressing, and how you stack up against your friends. TRACK EVERY PR Log your lifts in seconds. StrengthCharts automatically calculates your estimated 1-rep max and plots your progression over time. Every session, every milestone all in one place. SEE WHERE YOU RANK Find out if you're Untrained, Beginner, Intermediate, Advanced, Elite, or World Class on every lift. Tier badges and percentile scores give you a real benchmark and not just a number on a bar. COMPETE WITH FRIENDS Challenge your crew on the leaderboard. See who's moving the most relative to their bodyweight across Squat, Bench, and Deadlift. Form groups, track who's improving fastest, and settle the debate once and for all. FEATURES PR logging with weight suggestions and RPE tracking Tier system across 30+ exercises Friend leaderboard with relative strength scores Barbell plate calculator with IPA/IPF color standards Daily, weekly, and monthly challenges Body measurements and bodyweight trendlines Workout session tracker with rest day logging Export your data anytime PRO Unlock advanced analytics, achievements, strength profiles, training tips, and more. Or watch a rewarded ad to try Pro features free for 24 hours. Whether you're chasing your first 225 lb bench or gunning for World Class status. StrengthCharts keeps the score. https://strengthcharts.vercel.app/terms
Screenshots
Verdict
The clearest difference is in-app purchases: K PILATES at none against StrengthCharts's 3. StrengthCharts's advantage is update cadence (every 3 days vs every 11 months) and ratings volume (9 vs 2). On price, rating, 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
Both are free to download. StrengthCharts sells 3 in-app purchases, starting at $2.99 per month. K PILATES asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for K PILATES against 5.0 for StrengthCharts. Both are backed by a comparable volume of ratings — 2 and 9 respectively.
K PILATES ships an update every 11 months, StrengthCharts every 3 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.
| Parameter | K PILATES | StrengthCharts |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (9 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 9 — better |
| Update frequency | Every 11 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 | 16.0 — better |
| Further details — not scored | ||
| Size | 121 MB | 22 MB |
| Age rating | 12+ | 12+ |
| Developer | Sutra Fitness, Inc. | CAMERON JOSEPH KHAMI |
Customer experience
K PILATES
StrengthCharts
In-app purchases
K PILATES
No in-app purchases
StrengthCharts
- Pro$2.991 Month
- StrengthCharts Pro Yearly$24.991 Year
- StrengthCharts Pro Lifetime$69.99









