Comparison

Jay Whey vs CoachOS

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

Head to head
About

Jay Whey

Features
Read full description

Coaching by Jay Whey – Train with Purpose, Transform with Confidence The Coaching by Jay Whey app is your dedicated space for structured training, sustainable fat loss, strength building, and long-term health. Whether you’re just starting out or looking to level up, this app delivers expert guidance and personalized support every step of the way. Key Features: β€’ Tailored Training Programs built around your goals, lifestyle, and fitness level β€’ Nutrition Coaching to help you fuel your body and build better habits β€’ Progress Tracking so you can see real results over time β€’ Weekly Check-Ins to stay accountable and motivated β€’ In-App Support for questions, feedback, and ongoing guidance Coaching by Jay Whey is more than just workoutsβ€”it’s a system designed to help you train smart, stay consistent, and become the strongest version of yourself. *App access requires a paid coaching plan. Terms Of Use: https://kahunas.io/terms-conditions Privacy Policy: https://kahunas.io/privacy

About

CoachOS

Read full description

CoachOS is the app your personal trainer uses to run your program. Get your workouts, nutrition plans, and schedules delivered straight to your phone. Workouts Follow your coach's programming with guided workout logging. Track sets, reps, and weights with built-in rest timers and exercise demos. Nutrition View meal plans and recipes your coach has built for you. Scan barcodes, log meals, and stay on track with your nutrition targets. Messaging Chat directly with your coach. Share progress photos, voice notes, and check-in updates without leaving the app. Progress Tracking See your gains over time with body measurements, progress photos, and workout history β€” all visible to you and your coach. Health Sync Connect Apple Health or Health Connect to sync sleep, recovery, and activity data automatically. Built for coached athletes. If your trainer uses CoachOS, this is your app.

Screenshots

Jay Whey3 screens
CoachOS4 screens

Verdict

The call

The clearest difference is in-app purchases: CoachOS at none against Jay Whey's 1. CoachOS also leads on update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Jay Whey sells 1 in-app purchase, starting at $4.99 per month. CoachOS asks for nothing beyond the download.

UpkeepUpdate frequency

Jay Whey ships an update every 5 months, CoachOS every 3 weeks. The most recent releases landed on September 8, 2026 and September 13, 2026 respectively.

Scorecard2 real differences Β· 4 level
Jay Whey versus CoachOS: the parameters behind the verdict, then further details
ParameterJay WheyCoachOS
PriceFreeFree
Update frequencyEvery 5 monthsEvery 3 weeks β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.0 β€” better16.2
Further details β€” not scored
Size55 MB76 MB
Age rating17+4+
DeveloperJan Willem van der klisCoachOS Ltd

In-app purchases

1 purchases

Jay Whey

Subscriptions1
  • Jay Whey Coaching$4.991 Month
None

CoachOS

No in-app purchases

Questions

Is Jay Whey free?
Jay Whey is free to download, with in-app purchases available.
Is CoachOS free?
CoachOS is free to download, with no in-app purchases.
Do Jay Whey or CoachOS have ads?
Neither Jay Whey nor CoachOS shows ads.
Which is updated more often, Jay Whey or CoachOS?
Jay Whey ships an update every 5 months, and CoachOS every 3 weeks. Most recently, Jay Whey was updated on September 8, 2026 and CoachOS on September 13, 2026.

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