Comparison

Styku vs ZenDuel

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

Head to head
About

Styku

Visualize your body's transformation in 3D with this app. It uses patented scanning technology to provide detailed insights into your shape and composition, going beyond traditional weight measurements. Track progress with side-by-side comparisons and personalized wellness information.

Highlights
  • 3D body visualization
  • Wellness and shape insights
  • Track body fat percentage
  • Track lean mass
  • Compare scan results
  • Regional body changes
Read full description

Styku – Your Fitness in 3D Discover a revolutionary way to approach your fitness and wellness with Styku’s patented, non-invasive 3D body scanning technology. With the Styku mobile app, your results come to life dynamically on your own device—no more static PDF reports. How It Works With thousands of locations equipped with Styku scanners, finding a place to perform your scan is simple. During your 3D whole-body scan, you stand on the turntable as it spins. A high-resolution camera takes thousands of snapshots of your body—just as safe as taking a picture with your phone. In under a minute, your scan is complete. Within minutes, your results are processed and delivered securely to the Styku app, where you can explore your body in 3D and track your progress. Features & Benefits Visualize Your Body Shape in 3D: View and interact with your 3D scans. Explore your body shape in full 360°—capturing the details that the scale can’t. Wellness & Shape Insights: Personalized insights from your body shape and composition help you build awareness and health literacy as well as make informed decisions to support your overall health and wellness. Track What Matters Most: Go beyond the scale. Track key body metrics like fat %, lean mass, and waist size, plus regional changes that reveal how your body is truly transforming. Compare Your Scans. See the Difference: Instantly compare two moments in your fitness journey. Side-by-side 3D visuals highlight how and where your body is changing—making your progress visible and motivating. Disclaimer Styku Scanner & Application The Styku scanner and mobile application are designed for general fitness and wellness purposes. The Styku scanner is a 3D body scanner and is not a medical device. The mobile application simply displays results from the 3D body scan. The mobile application is intended for informational and educational purposes only and does not diagnose, treat, cure, monitor, or prevent any medical condition or illness. The use of this application is not a substitute for consultation with a physician, who is the only person qualified to establish a diagnosis and recommend treatment. The application does not constitute medical advice, a diagnosis, or a therapeutic recommendation. If you have any health concerns, consult a licensed healthcare provider. Do not make changes to your medications, exercise, diet, or other health routines without first consulting your doctor. Terms of Use By using our application, you agree to the Terms of Use (EULA). Link: https://www.styku.com/eula For additional important information: https://www.styku.com/privacy https://www.styku.com/product-specific-terms

About

ZenDuel

This app combines mindfulness practices with social accountability. Users can draw daily ensōs, track personal habits, and engage in friendly duels with friends to stay motivated and achieve self-improvement goals.

Highlights
  • Daily ensō drawing and tracking
  • Six types of accountability duels
  • Daily mood and energy check-ins
  • Customizable habit tracking with marks
  • Social features for friends and motivation
  • Streak tracking for consistency
Features
Read full description

ZenDuel is the mindfulness app that makes self-improvement social. Draw a daily ensō, check in with yourself, and challenge friends to duels that keep you both accountable. Daily Ensō Practice Start each day by drawing an ensō — a single brushstroke circle rooted in Zen tradition. Track your streak, revisit past drawings, and watch your practice evolve over time. Duels & Challenges Compete with friends across six duel types: • Points Race — first to the goal wins • Streak Battle — who can stay consistent longest • Daily Budget — track spending and stay under your limit • Mission: To-Do — shared checklists with accountability • Kudos Jar — celebrate wins and good deeds together • &$!#% Jar — track bad habits and hold each other accountable Daily Check-Ins Log your mood, energy, focus, and more throughout the day. See patterns over time and build self-awareness through simple, reflective prompts. Marks & Stickers Track anything that matters to you — workouts, meditation, reading, hydration — with colorful marks that build your daily story. Friends & Accountability Add friends, send marks, start duels, and keep each other motivated. Mindfulness is better together. Built for Consistency Streaks, daily reminders, and a calm interface designed to bring you back every day without overwhelming you. Start your ensō streak today! Terms of Use: https://zenduel.com/terms/ Privacy Policy: https://zenduel.com/privacy/ Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID. Manage or cancel in your Account Settings.

Screenshots

Styku4 screens
ZenDuel4 screens

Verdict

The call

The clearest difference is in-app purchases: Styku at none against ZenDuel's 4. Styku also leads on ratings volume (269 vs 2). ZenDuel's advantage is rating (5.0 vs 4.7). On price, ads, monetization model 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

Both are free to download. ZenDuel sells 4 in-app purchases, starting at $6.99 per month. Styku asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ZenDuel holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Styku has 269 ratings behind it against 2, so its average is the more settled of the two.

Scorecard3 real differences · 7 level
Styku versus ZenDuel: the parameters behind the verdict, then further details
ParameterStykuZenDuel
PriceFreeFree
Rating4.7 (269 ratings)5.0 (2 ratings) — better
Positive reviews55.6% of reviews—
Number of ratings269 — better2
Update frequencyMonthly—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size69 MB50 MB
Age rating4+12+
DeveloperStyku LLCGTStudios LLC

In-app purchases

None

Styku

No in-app purchases

4 purchases

ZenDuel

Subscriptions4
  • ZenDuel Solo — Monthly$6.991 Month
  • ZenDuel Duo — Monthly$9.991 Month
  • ZenDuel Solo — Yearly1 Year trial$19.991 Year
Show 1 more
  • ZenDuel Duo — Yearly1 Year trial$39.991 Year

Questions

Is Styku free?
Styku is free to download, with no in-app purchases.
Is ZenDuel free?
ZenDuel is free to download, with in-app purchases available.
Which has better reviews, Styku or ZenDuel?
ZenDuel is rated higher. Styku averages 4.7 out of 5 from 269 ratings, while ZenDuel averages 5.0 from 2 ratings.
Do Styku or ZenDuel have ads?
Neither Styku nor ZenDuel shows ads.

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