Comparison

Fiter App vs Kaizer

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

Head to head
About

Fiter App

Access personalized training plans and track your fitness journey. Whether you're indoors or outdoors, this app helps you achieve your health and performance goals with guided workouts and motivational challenges. Connect your devices to monitor progress and compete with others.

Highlights
  • Personalized training plans
  • Indoor and outdoor workouts
  • Motivational challenges
  • Progress tracking (calories, heart rate)
  • Integration with health devices
  • Community leaderboards and badges
Features
Read full description

Entrenamiento y bienestar cuando y donde quieras. Encontrá el plan de entrenamiento perfecto para vos y llevalo en tu celu. Con nuestra APP, podés sacarle el máximo provecho a los servicios de tu gimnasio, tanto para entrenar en interiores como al aire libre. Ya sea que quieras mantenerte en forma, mejorar tu rendimiento deportivo o cuidar tu salud, la APP te guía para alcanzar tus objetivos con un plan de entrenamiento personalizado diseñado por nuestro equipo. ¡Probá los Desafíos para hacer tu experiencia de entrenamiento aún más motivadora! Superá tus propios límites en desafíos individuales o competí contra la Comunidad, compará tu progreso con el de otros en el ranking y sé el primero en alcanzar la meta para ganar Insignias. Seguimiento de tu progreso: calorías, frecuencia cardíaca, MOVEs y MOVERGY. Controlá tu actividad física conectando tu pulsómetro, Apple Health o dispositivos como Garmin, Suunto, Polar, Withings, Swimtag, Strava, Runkeeper, MyFitnessPal, MapMyFitness y FitBit. Vas a encontrar tu progreso y tus MOVEs —una unidad que mide objetivamente cuán activo estás— en tu Pasaporte Wellness. Alcanzá tu objetivo diario de MOVEs y registrá tu estilo de vida con MOVERGY, tu tendencia de las últimas dos semanas.

About

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.

Highlights
  • 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
Features
Read full description

Kaizer is the app where you train with your trainer or your gym: your routine, your classes, the chat and your progress, all in one place. WITH YOUR GYM If your gym runs on Kaizer, you join with the link they share and see the app with their name, logo and color. Book your classes or keep a fixed spot, read your gym's news and train with the routine they assign you. WITH YOUR TRAINER Your trainer sends you your routines, follows your progress, adjusts whatever needs adjusting, chats with you and asks for form videos. 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 - Nutrition plan with meals, recipes and macros, when your trainer sends one - 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

Screenshots

Fiter App4 screens
Kaizer4 screens

Verdict

The call

The clearest difference is review sentiment: Kaizer at 100% against Fiter App's 9%. Kaizer also leads on rating (5.0 vs 3.0) and update cadence (every 8 days vs every 2 months). Fiter App's advantage is in-app purchases (none vs 11). On price, ads, device support and iOS requirement 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. Kaizer sells 11 in-app purchases, starting at $3.99 per 7 days. Fiter App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kaizer holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews point the same way: 9% of Fiter App's written reviews are positive against 100% of Kaizer's.

UpkeepUpdate frequency

Fiter App ships an update every 2 months, Kaizer every 8 days. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Fiter App versus Kaizer: the parameters behind the verdict, then further details
ParameterFiter AppKaizer
PriceFreeFree
Rating3.0 (2 ratings)5.0 (9 ratings) — better
Positive reviews9.1% of reviews100.0% of reviews — better
Number of ratings29 — better
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size116 MB109 MB
Age rating4+4+
Developerel gym s.a.KAIZER

Customer experience

Fiter App

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews44 reviews
Positive9.1%
Neutral2.3%
Negative88.6%

Kaizer

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Fiter App

No in-app purchases

11 purchases

Kaizer

Subscriptions10
  • Pro Weekly3 Days trial$3.997 Days
  • Pro Monthly3 Days trial$8.991 Month
  • Trainer Plan — $39.99$39.991 Month
Show 7 more
  • 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
One-time1
  • Pro Lifetime$89.99

Questions

Is Fiter App free?
Fiter App is free to download, with no in-app purchases.
Is Kaizer free?
Kaizer is free to download, with in-app purchases available.
Which has better reviews, Fiter App or Kaizer?
Kaizer is rated higher. Fiter App averages 3.0 out of 5 from 2 ratings, while Kaizer averages 5.0 from 9 ratings.
Do Fiter App or Kaizer have ads?
Neither Fiter App nor Kaizer shows ads.
Which is updated more often, Fiter App or Kaizer?
Fiter App ships an update every 2 months, and Kaizer every 8 days. Most recently, Fiter App was updated on October 24, 2026 and Kaizer on October 24, 2026.

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