Comparison

54D On vs Fitboss.

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

Head to head
About

54D On

This program offers an online human transformation experience designed to help users break mental barriers and achieve significant physical and emotional results in just 54 days. It provides structured training, nutrition guidance, recovery support, and community interaction.

Highlights
  • High Intensity Online Training
  • Nutrition Management
  • Recovery Support
  • Real-time Coach Messaging
  • Workout Tracking & Scheduling
  • Progress Monitoring
  • Wearable Device Integration
Features
Read full description

54D ON is a digital personalized training platform that brings together exercise, nutrition, and wellness in one place. Unlike other apps, you never train alone. Every user is supported by a real coach who guides you, motivates you, and provides daily personalized follow-up. Your coach designs a 360° plan tailored to your level, goals, and lifestyle. Train anytime, anywhere, with access to dozens of On-Demand programs and live workouts including strength, cardio, mobility, Pilates, yoga, and wellness. You also receive nutrition plans and tools designed to support your energy, focus, and consistency. Everything is built to adapt to you, your pace, and your life. Train when you want, where you want. When you join the 54D ON family, you’re never training alone. Note regarding Apple Health: The app integrates with Apple Health to show your daily activity - distance, steps, active energy, and flights to help you better achieve your goals. App also uses Apple Health to track energy burned and heart rate during a workout session, if an Apple Watch is used. Workout metrics are shared with the coach to better design your workout schedule. DISCLAIMER: Users should seek a doctor’s advice before using this app and making any medical decisions.

About

Fitboss.

Features
Read full description

Transforme sua rotina de treinos com o Fitboss. O Fitboss é o app completo para quem quer evoluir de verdade. Organize seus treinos, acompanhe sua evolução e mantenha consistência com uma experiência simples, rápida e eficiente. Seja você iniciante ou avançado, o Fitboss te ajuda a ter controle total sobre sua jornada fitness. CRIE E ORGANIZE SEUS TREINOS Monte seus treinos de forma personalizada com exercícios, séries, repetições e cargas. Tudo organizado do seu jeito. ACOMPANHE SUA EVOLUÇÃO Registre seu progresso e visualize sua evolução ao longo do tempo com dados claros e objetivos. DEFINA OBJETIVOS Foque em hipertrofia, emagrecimento, definição ou condicionamento físico com metas bem estruturadas. CONSISTÊNCIA É A CHAVE Organize sua rotina semanal e mantenha frequência nos treinos. LEMBRETES INTELIGENTES Receba notificações para não perder nenhum treino. HISTÓRICO COMPLETO Acompanhe sua jornada e entenda sua evolução com base em dados reais. IDEAL PARA ALUNOS E PERSONAIS Perfeito tanto para quem treina quanto para profissionais que querem acompanhar alunos. INTERFACE RÁPIDA E INTUITIVA Nada de complicação. O Fitboss foi feito para você focar no treino, não no app. --- POR QUE USAR O FITBOSS? Porque evolução exige consistência, organização e acompanhamento. Com o Fitboss, você tem tudo isso na palma da sua mão. --- IMPORTANTE O Fitboss não substitui orientação médica ou profissional. Consulte um especialista antes de iniciar qualquer atividade física. --- Baixe agora e comece a evoluir com o Fitboss.

Screenshots

54D On4 screens
Fitboss.4 screens

Verdict

The call

The clearest difference is update cadence: Fitboss. at weekly against 54D On's every 2 months. 54D On's advantage is device support (4 vs 2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

54D On ships an update every 2 months, Fitboss. weekly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard2 real differences · 8 level
54D On versus Fitboss.: the parameters behind the verdict, then further details
Parameter54D OnFitboss.
PriceFreeFree
Rating4.9 (1.8K ratings) — better—
Positive reviews83.0% of reviews—
Number of ratings1.8K — better—
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size134 MB61 MB
Age rating17+4+
DeveloperCoral GPY Gables LLCLeandro Mangini Antunes

Bugs and requests

54D On

Reported bugs

2 issues
  • App issues with IP changes and travel
  • Occasional login and connectivity problems

Requested features

2 requests
  • More nutrition guidance and education
  • Improved music integration

Fitboss.

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

54D On

No in-app purchases

None

Fitboss.

No in-app purchases

Questions

Is 54D On free?
54D On is free to download, with no in-app purchases.
Is Fitboss. free?
Fitboss. is free to download, with no in-app purchases.
Do 54D On or Fitboss. have ads?
Neither 54D On nor Fitboss. shows ads.
Which is updated more often, 54D On or Fitboss.?
54D On ships an update every 2 months, and Fitboss. weekly. Most recently, 54D On was updated on November 7, 2026 and Fitboss. on November 9, 2026.

Other comparisons