Comparison

Ninja Athletic Training vs Judokai

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

Head to head
About

Ninja Athletic Training

Develop superior jumping ability, quickness, strength, precision, and agility with specialized training programs. Access HD instructional videos and audio guidance from a digital trainer. Enjoy customized weekly workouts and an engaging coaching experience.

Highlights
  • Ninja athleticism training programs
  • Customized weekly workouts
  • Audio guidance from digital trainer
  • HD instructional videos
  • Offline workout capability
  • Fitivity COACHING experience
Features
Read full description

This app focuses on helping you attain Ninja athleticism. Ninja's are some of the most athletic athletes on this planet, having superior jumping ability, quickness, strength, precision, and agility. Your Fitivity app has multiple training programs in it to develop ninja athletic ability! Switch between programs that were designed specifically for you! In addition to your weekly workouts, try out Fitivity COACHING! Coaching is a highly engaging exercise experience that combines mixes by DJ's and super motivating trainers to push you through workouts. • Audio guidance from your personal digital trainer • Customized workouts designed for you each week. • For each workout you are provided with HD instructional videos to preview & learn training techniques. • Stream workouts online or do workouts offline. Subscription Details For your convenience, subscription charges will be processed through your iTunes account, ensuring a seamless and secure payment experience. You can manage your subscription at any time, giving you full control over your membership. Should you decide to cancel, simply do so at least 24 hours before the end of your current subscription period to avoid auto-renewal. • Payment is charged to your iTunes account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. You can turn off the auto-renew subscription from your device settings. • Account will be charged for renewal within 24 hours before the end of the current period. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. To manage your subscription or turn off auto-renewal on your iPhone: 1. Open the Settings app 2. Tap your name or Apple ID 3. Tap Subscriptions 4. Tap the subscription you want to manage 5. Use the options to manage your subscription Privacy Policy and Terms of Use: https://www.loyal.app/privacy-policy

About

Judokai

Master Kodokan Judo techniques with detailed, slow-motion video demonstrations. Access all techniques anytime, anywhere, and download them for offline viewing. Learn from a 6th Dan Judo champion.

Highlights
  • Detailed Kodokan Judo techniques
  • 240 FPS slow-motion video
  • Offline video downloads
  • Learn from a 6th Dan champion
  • All Judo techniques accessible
Features
Read full description

JUDOKAI — Your Kodokan Judo Reference Study the traditional techniques of Kodokan Judo through detailed, high-quality demonstrations. Explore Kata performed by respected Judo practitioners, study techniques from multiple angles, and keep your entire Judo reference library available wherever you train. EVERY KODOKAN TECHNIQUE Every traditional Kodokan Judo technique is demonstrated by César Nicola, 6th Dan, World Veterans Champion and National Judo Shiai & Kata Champion. Study the complete execution of each technique and replay it whenever you want to examine the movement, positioning and technical details. SEE THE TECHNIQUE FROM MULTIPLE ANGLES Carefully selected camera angles give you different perspectives of each technique, helping you observe the complete movement and focus on the details that matter. EXPLORE JUDO KATA Study dedicated Kata modules performed by respected Judo practitioners. Explore each Kata technique in detail and return to the demonstrations whenever you want to review and refine your understanding. STUDY OFFLINE Every Judo technique and Kata video can be saved for offline playback. Study at the dojo, at home, while traveling, or anywhere without an internet connection. BUILD YOUR PERSONAL REFERENCE • Bookmark techniques for quick access • Save techniques for offline playback • Revisit your favorite techniques whenever you need • Keep your Judo reference with you wherever you train FOR JUDOKAS WHO WANT TO STUDY THE DETAILS Whether you're learning a technique, reviewing what you practiced at the dojo, studying for a grading, working on Kata, or simply looking for a reliable technical reference, JUDOKAI puts traditional Kodokan Judo at your fingertips. JUDOKAI isn't a replacement for the dojo. It's the technical reference you can use alongside your training to watch, review and study Judo techniques in greater detail. Study the technique. Review the details. Strive for perfection.

Screenshots

Ninja Athletic Training4 screens
Judokai4 screens

Verdict

The call

The clearest difference is ads: Judokai at none against Ninja Athletic Training's shown. Judokai also leads on review sentiment (74% vs 40%). On price, update cadence, in-app purchases and monetization model 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. Ninja Athletic Training sells 10 in-app purchases, starting at $0.99 per month and Judokai sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Ninja Athletic Training ships an update every 5 weeks, Judokai every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Ninja Athletic Training versus Judokai: the parameters behind the verdict, then further details
ParameterNinja Athletic TrainingJudokai
PriceFreeFree
Rating—4.7 (191 ratings) — better
Positive reviews40.0% of reviews74.4% of reviews — better
Number of ratings—191 — better
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size140 MB45 MB
Age rating4+4+
DeveloperLoyal Health & Fitness, Inc.Eduardo Costa Producoes Audiovisuais LDA

Customer experience

Ninja Athletic Training

Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

Judokai

All ratings191 ratings
Positive92.7%
Neutral2.6%
Negative4.7%
Written reviews39 reviews
Positive74.4%
Neutral7.7%
Negative17.9%

Bugs and requests

Ninja Athletic Training

Not enough reviews yet to summarise bugs or requests.

Judokai

Reported bugs

6 issues
  • App crashes after recent updates
  • App does not open after updates
  • Videos do not load
  • App crashes on older iPhones/OS
  • Paid content not unlocking
Show 1 more
  • Seoi-nage and Ippon seoi nage use the same video

Requested features

8 requests
  • Add new kata forms
  • Include Japanese term translations
  • Add download all option for videos
  • Synchronize favorites across devices
  • Add notes and categorization for favorites
Show 3 more
  • Add combinations or more Ne-Waza
  • Add pins, chokes, and locks
  • Allow creation of self-named categories for sorting

In-app purchases

10 purchases

Ninja Athletic Training

Subscriptions8
  • Monthly Subscription3 Days trial$0.991 Month
  • Fitivity Premium7 Days trial$1.991 Month
  • ad Free One Month$1.991 Month
Show 5 more
  • NINJA ATHLETIC WEEKLY3 Days trial$5.997 Days
  • Monthly Subscription$5.991 Year
  • Yearly Subscription7 Days trial$9.491 Year
  • NINJA ATHLETIC MONTHLY3 Days trial$9.991 Month
  • NINJA ATHLETIC YEARLY3 Days trial$39.991 Year
One-time2
  • Entire Program - Ninja Workouts$2.99
  • Purchase levels of all programs$7.99
10 purchases

Judokai

One-time10
  • Ma-sutemi-waza$1.99
  • Koshi-waza$2.99
  • Osaekomi-waza$2.99
Show 7 more
  • Kansetsu-waza$2.99
  • Shime-waza$3.99
  • Yoko-sutemi-waza$4.99
  • Te-waza$4.99
  • Kodokan Goshin Jutsu$4.99
  • Ashi-waza$6.99
  • Judokai$14.99

Questions

Is Ninja Athletic Training free?
Ninja Athletic Training is free to download, with in-app purchases available.
Is Judokai free?
Judokai is free to download, with in-app purchases available.
Do Ninja Athletic Training or Judokai have ads?
Ninja Athletic Training shows ads; Judokai does not.
Which is updated more often, Ninja Athletic Training or Judokai?
Ninja Athletic Training ships an update every 5 weeks, and Judokai every 3 weeks. Most recently, Ninja Athletic Training was updated on November 1, 2026 and Judokai on November 3, 2026.

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