Relentless Trainer vs Palaestra OS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Relentless Trainer
This AI-powered coach offers personalized daily workouts for a wide range of fitness disciplines, adapting to your current state and goals. It includes nutrition plans, exercise demonstrations, and integrates with health apps and smart devices.
- AI-powered personalized workouts
- Nutrition program for weight loss/muscle gain
- Over 1200 exercises with videos
- Flexible training time and equipment
- Specialized training tracks
- Health app and smart device integration
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Relentless Trainer: Your AI-Powered Personal Coach Born from the CrossFit® community and backed by over 10 years of data, we present Relentless Trainer - the first AI trainer for CrossFit®, Weightlifting, Gymnastics, Strength Training, Endurance sports, Mobility, Hyrox, Bodybuilding, Hybrid training, ATHX and Calisthenics. Race-optimized goal engine for Running, Skiing, Biking and Rowing. We even have Tactical Fitness, a specialized track for military and rescue staff. Forget generic training programs. Relentless Trainer adapts your workout daily based on: Your current state Your fitness level Your recent training history Your strengths and weaknesses Features: Nutrition program for weight loss or muscle mass Personalized workouts Over 1200 exercises with descriptions and videos Flexible training time and equipment Specialized training tracks Integration with health apps and smart devices Whether you want to improve your Snatch, Squat, Bench press, rowing, running, pull-ups, or muscle-ups, the trainer has you covered. Relentless Trainer is a month-to-month subscription service, easily cancellable anytime. No long-term contracts or cancellation fees - we just want you to love training! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Palaestra OS
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O Palaestra OS é o sistema operativo do teu centro fitness, agora no telemóvel. Chega de folhas de inscrição, grupos de WhatsApp para apurar tempos e quadros brancos apagados. Com o Palaestra OS reservas a tua aula, vês o treino do dia e registas o teu resultado, tudo num só sítio. O QUE PODES FAZER Reservar aulas em segundos. Vê o horário da tua box, reserva o teu lugar e gere a tua presença. Recebes a confirmação na hora. Ver o WOD antes de chegar. O treino do dia aparece com os movimentos, as repetições e as cargas prescritas. Chegas preparado. Registar o teu resultado. No fim do treino, regista o teu tempo, as tuas reps ou a tua carga. Fica tudo guardado no teu histórico. Aparecer no leaderboard ao vivo. O teu resultado entra no leaderboard da box, projetado na TV em tempo real, com as melhores marcas por categoria. Acompanhar a tua evolução. Vê os teus recordes pessoais (PRs) e o teu progresso ao longo do tempo. PARA QUEM É Para atletas de CrossFit e ginásios funcionais que querem uma experiência simples, rápida e ligada à comunidade da sua box. Se a tua box usa o Palaestra OS, esta app é tudo o que precisas. A tua box continua a funcionar como sempre. O Palaestra OS junta as inscrições, os treinos e os resultados numa só experiência, para ti e para os teus coaches.
Screenshots
Verdict
The clearest difference is in-app purchases: Palaestra OS at none against Relentless Trainer's 9. Relentless Trainer's advantage is update cadence (every 3 days vs monthly). 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
Both are free to download. Relentless Trainer sells 9 in-app purchases, starting at $9.99 per month. Palaestra OS asks for nothing beyond the download.
Relentless Trainer ships an update every 3 days, Palaestra OS monthly. The most recent releases landed on October 30, 2026 and October 15, 2026 respectively.
| Parameter | Relentless Trainer | Palaestra OS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (15 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 3 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 227 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Relentless Method AB | David Sardinha Alves |
In-app purchases
Relentless Trainer
- Dash Monthly Subscription14 Days trial$9.991 Month
- Core Monthly Subscription14 Days trial$17.991 Month
- Monthly14 Days trial$23.991 Month
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- Dash Quarterly Subscription14 Days trial$23.993 Months
- Core Quarterly Subscription14 Days trial$44.993 Months
- Quarterly14 Days trial$59.993 Months
- Dash Yearly Subscription14 Days trial$79.991 Year
- Core Yearly Subscription14 Days trial$149.991 Year
- Yearly14 Days trial$195.991 Year
Palaestra OS
No in-app purchases
Questions
Is Relentless Trainer free?
Is Palaestra OS free?
Do Relentless Trainer or Palaestra OS have ads?
Which is updated more often, Relentless Trainer or Palaestra OS?
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