Kaizer vs JuniorWorkout
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kaizer
This AI-powered fitness planner creates hyper-personalized workout routines based on your goals, limitations, and available equipment. It intelligently adapts your training over time to ensure continuous progress and prevent burnout.
- AI-powered routine creation via natural language
- Hyper-personalized plans based on user data
- Smart progressive overload and weight updates
- Exercise replacement suggestions
- Professional coaching principles integrated
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Your trainer already uses Kaizer. This is the app you train in together. In Kaizer your trainer sends you your routines, follows your progress, adjusts whatever needs adjusting, chats with you, asks for form videos and plenty more. All of it in one place, without leaning on three other apps. NO TRAINER YET? Browse the marketplace inside the app. Every profile shows how that coach works, their specialties and whether they train online, in person or both. Subscribe to the one that fits and they are notified the moment you join. YOUR SESSIONS, IN DETAIL Sets, reps, load, rest. Supersets, circuits and dropsets when your plan calls for them. Every exercise ships with an illustration of the muscle it works, so you know what you are aiming at before you lift. ASSISTED PROGRESSION Week over week, Kaizer writes the loads of your upcoming sessions from what you actually lifted. You always know what to do when you walk into the gym, and the weight on the bar keeps moving. SMART REPLACE Machine taken? A movement you cannot do today? Kaizer suggests alternatives that keep the point of the exercise intact, so swapping one leaves the rest of the plan standing. EVERYTHING IN ONE PLACE - Direct chat with your trainer: text, photos, files and voice notes - Full training history, streaks and progress your trainer sees too - 1,500+ exercises with illustrations - Apple Health sync and Live Activities while you train - Rest timer that runs on your lock screen TRAINING ON YOUR OWN? You can also use Kaizer without a trainer. Describe what you want in plain language — four days a week, bad knees, dumbbells only — and Kaizer builds a complete structured program in seconds, and keeps adapting it as you log your work. Kaizer works in Spanish, English and Portuguese, in 20+ countries. Terms of Service: https://kaizer.app/en/terms-and-conditions Privacy Policy: https://kaizer.app/en/privacy-policy
JuniorWorkout
Transform your body, habits, and life with a comprehensive guide for men and women. It offers personalized workout plans, tailored nutrition guidance, and tools to build sustainable habits, all in one place.
- Personalized training plans
- Adapted nutrition guides
- Sustainable habit creation tools
- Motivation and constant support
- Body and mind transformation
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Listo para una nueva versión de ti? Esta es la app definitiva para hombres y mujeres que quieren transformar su cuerpo, sus hábitos y su vida. No es solo una app de entrenamiento o nutrición. Es una guía completa, diseñada para acompañarte paso a paso hacia el cambio físico y mental que siempre has querido lograr. Planes personalizados de entrenamiento Guías de alimentación adaptadas a tu estilo de vida Herramientas para crear hábitos sostenibles Motivación, seguimiento y acompañamiento constante Todo lo que necesitas, en un solo lugar. Los usuarios deben comprar un programa para recibir planes de entrenamiento y alimentación personalizados y disfrutar de todo el contenido de esta aplicación.
Screenshots
Verdict
The clearest difference is rating: Kaizer at 5.0 against JuniorWorkout's 1.0. Kaizer also leads on ratings volume (9 vs 1). On price, ads, in-app purchases and monetization model 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. Kaizer sells 11 in-app purchases, starting at $3.99 per 7 days and JuniorWorkout sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Kaizer holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Kaizer has 9 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | Kaizer | JuniorWorkout |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (9 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 121 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | KAIZER | Vitor pamies |
Customer experience
Kaizer
JuniorWorkout
In-app purchases
Kaizer
- Pro Weekly3 Days trial$3.997 Days
- Pro Monthly3 Days trial$8.991 Month
- Trainer Plan — $39.99$39.991 Month
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- Pro Yearly7 Days trial$39.991 Year
- Trainer Plan — $59.99$59.991 Month
- Trainer Plan — $79.99$79.991 Month
- Trainer Plan — $99.99$99.991 Month
- Trainer Plan — $109.99$109.991 Month
- Trainer Plan — $129.99$129.991 Month
- Trainer Plan — $159.99$159.991 Month
- Pro Lifetime$89.99
JuniorWorkout
- Plan Fit: comida y ejercicio$500.00









