Relentless Trainer vs ENDUROX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Relentless Trainer
This AI-powered coach creates daily personalized workouts for various fitness disciplines, adapting to your current state and history. It offers nutrition plans, extensive exercise libraries with videos, and flexible training options. Track progress and integrate with health apps and smart devices for a comprehensive fitness experience.
- AI-powered personalized workouts
- Nutrition program
- 1200+ exercises with videos
- Flexible training options
- Integration with health apps
- Specialized training tracks
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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/
ENDUROX
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ENDUROX – Science of Strength. Expert in Endurance. Training designed to meet you at your level – and take you to the next. ENDUROX is your ultimate HYROX coaching, combining cutting-edge sport science with real-world coaching experience from world leaders Dr Dan Plews and Dr Adam Storey. Whether you're chasing your first HYROX finish or eyeing the podium, ENDUROX provides personalized, structured programming that adapts to your current fitness and goals — helping you train smarter, recover faster, and perform better.
Screenshots
Verdict
The clearest difference is in-app purchases: ENDUROX at none against Relentless Trainer's 9. ENDUROX also leads on iOS requirement (13.0 vs 16.6). Relentless Trainer's advantage is update cadence (every 5 days vs monthly). On price, ads and device support 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. ENDUROX asks for nothing beyond the download.
Relentless Trainer ships an update every 5 days, ENDUROX monthly. The most recent releases landed on September 25, 2026 and September 12, 2026 respectively.
| Parameter | Relentless Trainer | ENDUROX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (15 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 5 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 218 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Relentless Method AB | Tilt Software Limited |
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
ENDUROX
No in-app purchases
Questions
Is Relentless Trainer free?
Is ENDUROX free?
Do Relentless Trainer or ENDUROX have ads?
Which is updated more often, Relentless Trainer or ENDUROX?
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