Comparison

Train 4 Tomorrow vs Nine Under

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

Head to head
About

Train 4 Tomorrow

Access personalized workout programs and track your fitness journey. Monitor workouts, nutrition, habits, and measurements with coach guidance. Join communities for motivation and earn badges for achievements.

Highlights
  • Personalized workout programs
  • Workout and exercise tracking
  • Nutrition and meal tracking
  • Habit tracking
  • Goal setting and progress monitoring
  • Coach messaging
  • Digital communities
  • Wearable device integration
Features
Read full description

With the Train 4 Tomorrow App, you will have access to workout programs designed specifically to help you reach your fitness and health goals! You can follow & track your workouts, your nutrition, your lifestyle habits, measurements and results–all with the help of your coach. FEATURES: - Access training plans and track workouts - Follow along to exercise and workout videos - Track your meals and make better food choices - Stay on top of your daily habits - Set health and fitness goals and track progress towards your goals - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Message your coach in real-time - Be part of digital communities to meet people with similar health goals and stay motivated - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect your Apple Watch to track workouts, steps, habits, and more right from your wrist - Connect to other wearable devices and apps like the Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices to track workouts, sleep, nutrition, and body stats and composition Download the app today!

About

Nine Under

Features
Read full description

Nine Under is a premium golf performance company that delivers science-driven training solutions for golfers seeking to elevate their game. We provide physical performance programming, virtual training platforms, and elite-level concierge coaching for serious and aspirational golfers nationwide. Our services include golf-specific fitness assessments, mobility and power development, swing performance optimization, and personalized coaching programs—both in-person and remote. Designed for transformation, Nine Under helps clients unlock greater distance, consistency, and longevity in the game. We serve recreational, competitive, and professional golfers who are committed to results.

Screenshots

Train 4 Tomorrow4 screens
Nine Under4 screens

Verdict

The call

The clearest difference is update cadence: Train 4 Tomorrow at every 5 weeks against Nine Under's every 13 months. Train 4 Tomorrow also leads on 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

Train 4 Tomorrow ships an update every 5 weeks, Nine Under every 13 months. Both last shipped on October 30, 2026.

Scorecard2 real differences · 7 level
Train 4 Tomorrow versus Nine Under: the parameters behind the verdict, then further details
ParameterTrain 4 TomorrowNine Under
PriceFreeFree
Rating5.0 (10 ratings) — better—
Number of ratings10 — better—
Update frequencyEvery 5 weeks — betterEvery 13 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size189 MB40 MB
Age rating4+4+
DeveloperTrain 4 Tomorrow LLCJoseph Terrill

In-app purchases

None

Train 4 Tomorrow

No in-app purchases

None

Nine Under

No in-app purchases

Questions

Is Train 4 Tomorrow free?
Train 4 Tomorrow is free to download, with no in-app purchases.
Is Nine Under free?
Nine Under is free to download, with no in-app purchases.
Do Train 4 Tomorrow or Nine Under have ads?
Neither Train 4 Tomorrow nor Nine Under shows ads.
Which is updated more often, Train 4 Tomorrow or Nine Under?
Train 4 Tomorrow ships an update every 5 weeks, and Nine Under every 13 months. Most recently, Train 4 Tomorrow was updated on October 30, 2026 and Nine Under on October 30, 2026.

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