Comparison

Zeno vs WorkoutOS

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

Head to head
About

Zeno

This app offers personalized programs for strength training, meditation, breathwork, and flexibility. It guides users from beginner to advanced levels with expert-designed content, helping them build and track new healthy habits.

Highlights
  • Strength training programs
  • Guided meditation sessions
  • Breathwork exercises
  • Flexibility routines
  • Personalized habit programs
  • Beginner to advanced levels
Features
Read full description

Zeno is the simple app for people who want to train, eat and move well — without drowning in research, apps and $100 subscriptions. Plan and log your workouts. Track your calories and macros. Build a daily stretching habit. All in one app. Free forever plan. WHAT YOU GET STRENGTH TRAINING Custom workout programs, built around you. - Tell Zeno your equipment, schedule, goals and even your injuries. It builds the plan. - Know exactly what to lift — every set, every rep. - Weights go up automatically as you get stronger. Progressive overload, handled. - Log every set, rep and workout. Watch the numbers climb. - Learn proper form with 3D demonstrations you can rotate and zoom. CALORIE TRACKING Track your calories and macros without the obsession. - Search foods or scan a barcode. - See your calories, protein, carbs and fat at a glance. - Built to support your training, not take over your life. FLEXIBILITY Loosen up and move better. - Follow guided stretching routines. - Target the areas that need it. - A few minutes a day is enough. WHY ZENO Every level, from your first session on. Most apps assume you already know what you're doing. Zeno meets you where you are — beginner to advanced. Nothing to decide. Open the app. It tells you what to do today. One app, not five. Training, nutrition and mobility in one place. Free forever plan. No ads. No credit card. Premium is there if you want more, never a trap. Most workout apps cost over $100 a year. Zeno has a free forever plan. This app won't change your life. You will. Start today. FREQUENTLY ASKED QUESTIONS Is Zeno really free? Yes. The free forever plan gives you real, usable training, tracking and flexibility — no credit card, no trial countdown. Upgrade only if you want more. Do I need any experience? No. Choose beginner, intermediate or advanced. Zeno meets you where you are and progresses as you improve. Is this just a habit tracker? It's more than a tracker. Zeno builds your plan, tells you what to do, and adjusts as you go — from your first session to your hundredth. Terms of service: https://zenoapp.io/#terms-conditions Privacy policy: https://zenoapp.io/#privacy-policy Contact: developer@zenoapp.io

About

WorkoutOS

Features
Read full description

Your workouts, built around you. WorkoutOS is an AI workout generator. Tell it your equipment, your goals and your schedule - it builds the workout, and you log every set. MEET WORKOUTOS AI Answer a few questions equipment, focus, the time you've got - and WorkoutOS builds the session. Generate again any time. EVERY SET, LOGGED A session tracker that walks you through each set, rest timers that keep the screen awake, and a celebration the moment you beat a personal best. Freeform WODs too. KNOW YOUR PROGRESS Your training on a calendar. Charts for volume and the muscle groups you've been hitting. Body metrics and personal records, kept. BUILD YOUR OWN A WOD Builder, a library of what works, and an exercise catalog with demo GIFs. TOGETHER A friends feed, a weekly leaderboard, and Strava connect. BUILT FOR THE PHONE Fully native. Works offline. Biometric unlock. A home dashboard you choose. WORKOUTOS PRO The mobile app needs a WorkoutOS Pro subscription, shown right after you sign in. Start with a 14-day free trial, then weekly, monthly or yearly - cancel any time in the App Store. The WorkoutOS web app at workoutos.net stays free. Terms: https://workoutos.net/terms Privacy: https://workoutos.net/privacy Stop copying someone else's program. Start with your own. Download WorkoutOS and take the 14 days.

Screenshots

Zeno4 screens
WorkoutOS4 screens

Verdict

The call

The clearest difference is update cadence: WorkoutOS at daily against Zeno's every 3 weeks. On price, ads, in-app purchases 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. Zeno sells 4 in-app purchases, starting at $4.99 per month and WorkoutOS sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Zeno ships an update every 3 weeks, WorkoutOS daily. The most recent releases landed on October 30, 2026 and October 9, 2026 respectively.

Scorecard1 real difference · 9 level
Zeno versus WorkoutOS: the parameters behind the verdict, then further details
ParameterZenoWorkoutOS
PriceFreeFree
Rating4.8 (348 ratings) — better—
Positive reviews94.4% of reviews—
Number of ratings348 — better—
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better16.4
Further details — not scored
Size130 MB63 MB
Age rating4+4+
DeveloperZeno App Pty LtdRAIYEN PILLAY

Bugs and requests

Zeno

Reported bugs

7 issues
  • App crashes frequently
  • Unit settings reset to feet/pounds without saving changes
  • Weight input gets doubled when entered
  • Difficulty changing reps and weight values
  • App lag when switching to foreground
Show 2 more
  • Nutrition module not user-friendly for macro tracking on-the-go
  • Workout history loss on weekly reset

Requested features

13 requests
  • Hydration tracking feature
  • Cardio workout module
  • Progressive overload auto-adjustment for weights
  • Apple Watch compatibility
  • Apple Health integration
Show 8 more
  • Nutrition tracking full release
  • Water intake tracking
  • Muscle-specific split options (Back/Bis, Chest/Tris)
  • Ability to write workout notes
  • More detailed exercise library
  • Customizable weight options
  • Bench press and targeted muscle group exercises
  • Coming soon features visibility

WorkoutOS

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Zeno

Subscriptions4
  • Zeno Plus Monthly Subscription7 Days trial$4.991 Month
  • Zeno Plus Monthly Subscription7 Days trial$15.001 Month
  • Zeno Plus Annual Subscription7 Days trial$49.991 Year
Show 1 more
  • Zeno Plus Annual Subscription7 Days trial$90.001 Year
3 purchases

WorkoutOS

Subscriptions3
  • WorkoutOS: Weekly7 Days trial$1.997 Days
  • WorkoutOS: Monthly14 Days trial$6.991 Month
  • WorkoutOS: Yearly14 Days trial$39.991 Year

Questions

Is Zeno free?
Zeno is free to download, with in-app purchases available.
Is WorkoutOS free?
WorkoutOS is free to download, with in-app purchases available.
Do Zeno or WorkoutOS have ads?
Neither Zeno nor WorkoutOS shows ads.
Which is updated more often, Zeno or WorkoutOS?
Zeno ships an update every 3 weeks, and WorkoutOS daily. Most recently, Zeno was updated on October 30, 2026 and WorkoutOS on October 9, 2026.

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