Comparison

MustDuo vs ZentMind

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

Head to head
About

MustDuo

This fitness app helps you build consistency and achieve your goals with real-time tracking and personalized plans. An AI coach provides guidance, motivation, and on-the-fly adjustments to keep you on track with your fitness journey.

Highlights
  • Smart workout tracking
  • Personalized workout plans
  • AI fitness coach
  • Habit building features
  • Gamified fitness experience
  • Progress analytics
Features
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MustDuo is your lifting partner that plans your fitness journey and adapts as you progress, helping you train smarter and reach your goals. Meet Naya, your personal coach and biggest cheerleader. She knows your goals, your plan and your recent training, so you can chat with her about your workouts, ask questions, or adjust your session when you need an easier day. Log each set with a tap, or pair the MustDuo Tracker to count reps for you. Watch your progress in charts, workout receipts and Apple Health. Whether you're new to lifting or chasing your next PR, MustDuo takes the guesswork out of training, makes every workout count, and helps you build a habit that lasts. YOUR PLAN, YOUR WEEK Choose your goal, experience level, and training schedule. MustDuo builds your personalized weekly plan and adapts it when life gets in the way. Swap exercises, shorten sessions, lighten a workout, or move it to another day with Naya. NAYA Your personal coach, right in your pocket. Ask questions, get training guidance, and adjust your workouts when life gets in the way. WORKOUTS Follow your personalized workout with pre-filled sets and reps, easy set tracking, and smart rest timers. Spend less time on your phone and more time focused on your lift. EXERCISE LIBRARY Explore 200+ exercises, most with HD demo videos, to help you learn proper form and train with confidence. PROGRESSIVE OVERLOAD, HANDLED Progressive overload made simple. MustDuo remembers your lifts and gradually adjusts your weights as you hit your targets, helping you consistently challenge yourself and get stronger. THE DASHBOARD See your strength, training volume, and consistency at a glance. Track trends over time and get clear insights on what to focus on next. YOUR WORKOUT RECEIPT See everything you accomplished: volume, reps, time, and a fun real-world comparison. Compare each workout to your previous session and share your progress. THE WINS TAB Build momentum with streaks, personal records and your workout receipts, and invite friends to train with you. Earn bananas and level up on your profile. THE MUSTDUO TRACKER, IN EARLY ACCESS Pair the MustDuo Tracker and it counts your reps, changes the weight and moves you through your workout without touching your phone. The tracker is in early access, and the app is fully functional without it. APPLE HEALTH Keep your fitness data connected. Sync your workouts with Apple Health and see your training alongside the rest of your activity. TRY IT FIRST Start a workout or plan your week from the first screen. Do 3 workouts as a guest before creating an account. Just lift. MustDuo handles the rest.

About

ZentMind

Find calm, improve sleep, and enhance presence with guided meditations, personalized silent practice, and soothing sounds. This app offers offline playback and progress tracking for a seamless mindfulness journey.

Highlights
  • Guided meditations
  • Personalized silent practice
  • Soothing sounds and music
  • Sleep support audio
  • Progress tracking
  • Offline playback
Features
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ZentMind: Find Calm, Sleep Better, and Be Present. Step into stillness with ZentMind, your modern meditation companion designed for everyday balance and better sleep. Whether you’re a beginner or simply need a moment of peace, ZentMind helps you relax, refocus, and recharge — effortlessly. Why ZentMind? Guided Meditations — Follow simple, calming sessions crafted for beginners and busy minds. Personalized Silent Practice — Create your own meditation with adjustable length, focus, and background. Soothing Sounds & Music — Immerse yourself in nature sounds and gentle melodies for focus or sleep. Sleep Support — Drift into deep rest with peaceful audio environments that quiet your thoughts. Progress Tracking — Stay motivated as you see your mindfulness grow over time. Offline Playback — Meditate anywhere, even without internet. One-Time Payment — No subscriptions. No limits. Just lifelong access to calm. Designed for Simplicity ZentMind was created with a clean, minimalist design that gets out of your way — so you can focus on what matters: your breath, your peace, your presence. Perfect For: Mindfulness beginners looking for gentle guidance Anyone struggling with stress, anxiety, or overthinking People who want to fall asleep more easily Those seeking a no-subscription alternative to meditation apps Find your calm. Focus your mind. Sleep deeply. Start your mindful journey today with ZentMind — peace is just a breath away. iPhone Mockup by DesignFrames.com

Screenshots

MustDuo4 screens
ZentMind4 screens

Verdict

The call

The clearest difference is in-app purchases: MustDuo at none against ZentMind's 3. MustDuo also leads on ratings volume (17 vs 1). ZentMind's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.5). On price, rating and ads 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. ZentMind sells 3 one-off in-app purchases. MustDuo asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for MustDuo against 5.0 for ZentMind. That said, the two scores are not equally well evidenced: MustDuo has 17 ratings behind it against 1, so its average is the more settled of the two.

Scorecard5 real differences · 5 level
MustDuo versus ZentMind: the parameters behind the verdict, then further details
ParameterMustDuoZentMind
PriceFreeFree
Rating5.0 (17 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings17 — better1
Update frequencyFortnightly—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.515.6 — better
Further details — not scored
Size59 MB18 MB
Age rating12+4+
DeveloperMustDuoDeema Al Chatti

Customer experience

MustDuo

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ZentMind

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MustDuo

No in-app purchases

3 purchases

ZentMind

One-time3
  • Lotus$19.99
  • Zen$49.99
  • Nirvana$99.99

Questions

Is MustDuo free?
MustDuo is free to download, with no in-app purchases.
Is ZentMind free?
ZentMind is free to download, with in-app purchases available.
Which has better reviews, MustDuo or ZentMind?
MustDuo and ZentMind are both rated 5.0 out of 5 on the App Store, from 17 and 1 ratings respectively.
Do MustDuo or ZentMind have ads?
Neither MustDuo nor ZentMind shows ads.

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