Comparison

No Days Off vs AthBoost

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

Head to head
About

No Days Off

Easily plan and book fitness classes or personal training sessions. Discover a unique group training system that combines HIIT and resistance intervals with a partner for an effective workout. Access studio information, promotions, and manage your bookings.

Highlights
  • Browse and book classes
  • Schedule personal training
  • Discover Partner Interval Training (PIT)
  • Access studio information
  • View promotions and session packages
  • Track bookings and history
Features
Read full description

Legacy Fitness Mobile App Plan and book your classes with ease from your mobile device! Overview Legacy Fitness is revolutionizing group training with a patented system called Partner Interval Training or PIT. Backed by science and built on the No Days Off movement, our app puts every step of your fitness journey in the palm of your hand. Browse schedules, book classes or personal training, access promotions, and find studio contact information in seconds. What is PIT PIT offers private personal training within a group environment. You complete timed HIIT and resistance intervals with a coach and partner, rotating every few minutes. This allows you to build strength, burn fat, increase endurance, and improve speed—all in a team atmosphere Scientific Rigor Combining HIIT and resistance training leads to increased metabolic burn for many hours after exercise ends. Enjoy an afterburn effect that can last up to 21 hours post workout Personalization and Accountability The app supports all fitness levels. Choose station intensity and weights suited to you. You are paired with different partners for accountability energy and community in every session Studio Experiences Legacy studios range from 4 500 to 7 000 square feet and feature premier equipment including Cybex selectorized machines, Versa climbers, True Form treadmills, Ski Ergs, rowers, heavy bags, custom battle ropes, sleds, fan bikes, rope climbers, dumbbells, plyo boxes, and PLAE Attack Turf At the Wynwood flagship you will find top tier Life Fitness, Cybex, Hammer Strength, Woodway, Sorinex equipment and recovery amenities such as cold plunges, sauna, IV suite, and a smoothie beer and wine bar. Our studios are bright spacious and come with onsite parking and showers for added convenience. Community Culture Legacy is a movement not just a fitness studio. Our No Days Off culture fosters mutual accountability and a lifestyle of daily commitment. Our members describe the environment as energetic and motivating. Free First Session Download the app and schedule your complimentary first session at any studio. Try PIT without commitment, experience the community, environment, workout style, and culture Session Bundles and Promotions Buy session bundles that can be used across any studio, shared with friends, and redeemed for No Days Off apparel gift cards. Enjoy flexibility and extra Book Personal Training Schedule one on one coaching with certified trainers to focus on your specific goals. Easy Studio Access Our app provides instant access to studio addresses contact numbers emails hours and amenities info. App Features • Browse schedules by location instructor date and class type • Sign up with one tap for classes training sessions and events • View session package details and promotion availability • Track your bookings and session history • Contact studios directly or get directions to them • Manage your free first session including reminders • Designed for users at all fitness levels Why Choose Legacy Download our app today to take control of your health schedule and fitness. Legacy is built to move with you supported by science fueled by community. Train smarter stronger and together.

About

AthBoost

This AI-powered coach creates personalized training plans using your Garmin Connect and Strava data. It offers tailored suggestions for various fitness goals, from 5Ks to marathons, and includes strength and cardio routines with exercise demos. Plan your race day and train smarter with weather-aware sessions.

Highlights
  • AI personalized training suggestions
  • Garmin Connect and Strava integration
  • Strength and cardio routines with demos
  • Race day planning
  • Weather-aware training sessions
  • Activity dashboard with detailed stats
Features
Read full description

AthBoost is your AI-powered training coach that connects to Garmin Connect and Strava to deliver personalized workout suggestions based on your real activity data. Whether you're training for a 5K, marathon, triathlon, or just want to stay fit, AthBoost analyzes your recent workouts, heart rate zones, and fitness level to create smart training plans tailored to your goals. KEY FEATURES: • AI Training Suggestions — Get 3 personalized training days based on your recent activity, race goals, and preferred training days. • Garmin & Strava Integration — Automatically sync your activities and send structured workouts directly to your Garmin watch. • Strength & Cardio Routines — Browse and follow coach-created routines with exercise demos, sets, reps, and rest intervals. • Team Coaching — Coaches can manage athletes, assign routines, schedule events, and track progress from a single dashboard. • Race Day Planning — Set your target race, distance, and goal time to receive training calibrated to your event. • Weather-Aware Training — See live weather conditions at your training location to plan your sessions accordingly. • Activity Dashboard — Review recent workouts with detailed stats including pace, heart rate zones, and exercise breakdowns. • AthBoost is built for athletes who want data-driven coaching without the guesswork. Train smarter, recover better, race faster.

Screenshots

No Days Off4 screens
AthBoost4 screens

Verdict

The call

The clearest difference is update cadence: AthBoost at every 10 days against No Days Off's every 7 months. No Days Off's advantage is ratings volume (24 vs 2). On price, rating, review sentiment and ads 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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for No Days Off against 5.0 for AthBoost. That said, the two scores are not equally well evidenced: No Days Off has 24 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

No Days Off ships an update every 7 months, AthBoost every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
No Days Off versus AthBoost: the parameters behind the verdict, then further details
ParameterNo Days OffAthBoost
PriceFreeFree
Rating4.9 (24 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings24 — better2
Update frequencyEvery 7 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size122 MB46 MB
Age rating12+4+
DeveloperSutra Fitness, Inc.Nagel Camacho

Customer experience

No Days Off

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

AthBoost

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

No Days Off

No in-app purchases

None

AthBoost

No in-app purchases

Questions

Is No Days Off free?
No Days Off is free to download, with no in-app purchases.
Is AthBoost free?
AthBoost is free to download, with no in-app purchases.
Which has better reviews, No Days Off or AthBoost?
AthBoost is rated higher. No Days Off averages 4.9 out of 5 from 24 ratings, while AthBoost averages 5.0 from 2 ratings.
Do No Days Off or AthBoost have ads?
Neither No Days Off nor AthBoost shows ads.
Which is updated more often, No Days Off or AthBoost?
No Days Off ships an update every 7 months, and AthBoost every 10 days. Most recently, No Days Off was updated on October 30, 2026 and AthBoost on October 31, 2026.

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