Comparison

One FiT Nation vs Thin Within

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

Head to head
About

One FiT Nation

This comprehensive fitness platform helps you track daily activities, monitor body metrics, and access over 2000 exercises with 3D demonstrations. Create custom workouts or choose from presets to guide your fitness journey and earn badges.

Highlights
  • Class schedules and opening hours
  • Daily fitness activity tracking
  • Weight and body metrics tracking
  • 2000+ exercises with 3D demos
  • Preset and custom workouts
  • Progress tracking
  • Apple Health integration
Features
Read full description

PLEASE NOTE: YOU NEED A {One FiT Nation} ACCOUNT TO ACCESS THIS APP. IF YOU'RE A MEMBER, GET IT FOR FREE! Begin your journey to a healthier lifestyle and let {OFN} help you along the way. Introducing {OFN}, the most comprehensive fitness platform that allows you to: Check class schedules and opening hours Track your daily fitness activities Track your weight and other body metrics Over 2000+ exercises and activities Clear 3D exercise demonstrations Preset workouts and the option to create your own Over 150 badges to earn Select workouts online and synchronize them with your app to workout at home or in the gym while keeping track of your progress. From strength to weight lifting, this app acts as your own personal trainer guiding and giving you the motivation you need. You can sync this app with Apple Health App. If you enable this connection, any workout in the Health app with automatically be added to your Activity Calendar.

About

Thin Within

Features
Read full description

What would it be like to live life from a place of satisfaction, joy, and fullness? Instead of reaching for more of what you don't need to numb your pain or to gain a sense of value, meaning, and purpose, what if you could turn daily to the God and King of the universe to flood all the nooks and crannies of your heart that thirst for Him? So many of the addictions, unworkable beliefs, and damaging habits that we have are because we have a hole in our hearts that only God can fill. This app and our programs and coaching walk with you to experiencing the fullness of a heart that has been hungry...and can now be satisfied! How do we do this? We teach basic ways of connecting with God "on the fly" through renewing of the mind. Brain Science is now catching up with the Bible and we don't need to stay stuck in a rut! What is the trick to acting differently? It is this simple and we will show you how: What we think about will become our belief system...if we fox our minds on what is true, excellent, noble and praiseworthy, if we think God's thoughts about situations, people, and challenges we face, we will begin to believe differently. As we believe differently we will begin to act differently, As we act differently, we will see different results. Our lives will become monuments to a Living God and King of the Universe who loves His people through Jesus and wants them to experience His sufficiency. Do you struggle with: * overeating? * social media addiction? * worry, fear, uncertainty * looking for "love" and acceptance where it can't be found? This app and our programs and coaching will provide practical means to establishing transformative thought patterns and actions. INFORMATION ABOUT THE APP AND PURCHASE OPTIONS The download of Thin Within is free of charge. There is no free trial. Should you use Thin Within app, we offer one of the following options: Payment will be charged to your credit card through your iTunes account after the trial period and when a subscription renews. A subscription renews automatically unless canceled at least 24 hours prior to the end of the subscription period. There is no increase in price when renewing. One Time Payments will only be charged one time initially. Subscriptions can be managed and auto-renewal turned off in Account Settings in iTunes after purchase. Once purchased, refunds will not be provided for any unused portion of the term. Readout full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy

Screenshots

One FiT Nation4 screens
Thin Within4 screens

Verdict

The call

The clearest difference is in-app purchases: One FiT Nation at none against Thin Within's 1. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Thin Within sells 1 one-off in-app purchase. One FiT Nation asks for nothing beyond the download.

UpkeepUpdate frequency

One FiT Nation ships an update every 3 months, Thin Within every 2 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

Scorecard1 real difference · 8 level
One FiT Nation versus Thin Within: the parameters behind the verdict, then further details
ParameterOne FiT NationThin Within
PriceFreeFree
Rating5.0 (19 ratings) — better—
Number of ratings19 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNo—
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.012.0 — better
Further details — not scored
Size175 MB40 MB
Age rating12+4+
DeveloperNext Level Fitness Professionals LLCHeidi Bylsma

In-app purchases

None

One FiT Nation

No in-app purchases

1 purchases

Thin Within

One-time1
  • One Time Subscription$4.99

Questions

Is One FiT Nation free?
One FiT Nation is free to download, with no in-app purchases.
Is Thin Within free?
Thin Within is free to download, with in-app purchases available.
Which is updated more often, One FiT Nation or Thin Within?
One FiT Nation ships an update every 3 months, and Thin Within every 2 months. Most recently, One FiT Nation was updated on October 3, 2026 and Thin Within on October 4, 2026.

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