Comparison

20 Pull Ups Trainer Challenge vs 50 Pullups Be Stronger

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

Head to head
About

20 Pull Ups Trainer Challenge

This app guides users to achieve 20 pull-ups in 6 weeks with a proven program suitable for all fitness levels. It offers voice cues, progress tracking, and motivational features. The first two weeks are free, with subscription options available for full access.

Highlights
  • Achieve 20 pull-ups in 6 weeks
  • Program for all fitness levels
  • Voice cues for guidance
  • Badges and awards for workouts
  • Social sharing of progress
  • Motivational music
Features
Read full description

■ Join the millions completing the Zen Challenge Series! ■ 0 to 20 Pullups in 6 weeks! ■ Featured on Glamour Magazine, Yahoo!’s Appolicious, Popsugar Fitness, Apple’s “What’s Hot”, Apple’s “New & Noteworthy”, and doctor recommended on healthTap! "Had trouble even doing 1 pulll-up, but this program helps train you by first holding on to the bar if you can't finish 1 pull-up. At first I was a skeptic, but I'm at 5 pull-ups now and still going! I'm a believer!" Are you ready for the 20 Pull-Ups Challenge? Train your upper body/core and build up to completing 20 pull-ups with same people that brought you the OFFICIAL #1 5K Training app C25K®. Using a proven program, you will be able to complete 20 straight pull-ups after just 6 weeks! The Zen Challenge Series is tailored towards all fitness levels. From first-timers to fitness veterans, this app will build up your strength and stamina to complete 20 pull-ups. Can't do a single pull-up? Don't worry, there is a built-in program to help you build strength to get there! ≈ It's easy and straight forward to start ≈ 1. Just open the app and start! 2. Listen to the voice cues! ≈ Features ≈ ◎ First 2 weeks are free! Get started today! ◎ Achieve badges and awards for finishing a workout! ◎ Intuitive user friendly interface ◎ Integrated with Facebook/Twitter/Instagram communities, so share your progress and achievements! ≈ NEW Zen Unlimited Pass - Try it for free! ≈ ◉ Award winning music curated from top DJ's! ◉ Scientifically proven to increase motivation by 35% ◉ Unlimited access to all pro features across ALL Zen Labs Fitness apps We hope you enjoy the app and find it to be a useful training tool. Please leave us any friendly feedback, and rate us if you like the app! Questions/comments regarding the app? Please email us at contactus@zenlabsfitness.com or visit us at www.zenlabsfitness.com. ≈ Connect ≈ Facebook: @C25Kfree Twitter: @C25Kfree Instagram: @officialc25k Hashtag: #C25K https://forums.zenlabsfitness.com Subscription pricing and terms: The subscription will automatically renew unless turned off in your iTunes Account Settings at least 24 hours before current period ends. You can go to your iTunes Account settings to manage your subscription and turn off auto-renew. Your iTunes Account will be charged when the purchase is confirmed. If you subscribe before your free trial ends, the rest of your free trial period will be forfeited as soon as your purchase is confirmed. Privacy Policy & Terms of Use: https://www.zenlabsfitness.com/privacy-policy/ Legal Disclaimer This app and any information given by it or by Zen Labs Fitness are for educational purposes only. They are not intended nor implied to be a substitute for professional medical advice. You should always consult your healthcare provider before beginning any fitness program.

About

50 Pullups Be Stronger

This app offers scientifically designed workout programs to help users achieve their pull-up goals, from beginner to advanced. It features personalized plans, real-time progress tracking, workout history, and reminders to keep users motivated and on track.

Highlights
  • Personalized workout programs
  • Real-time progress tracking
  • Workout history log
  • Customizable reminder system
  • Cloud backup for statistics
  • Guided warm-up exercises
  • Adaptive training options
Features
Read full description

Unlock Your Pull-Up Potential with 50 Pull-ups Workout BeStronger! Get ready to conquer the pull-up bar with our scientifically-designed app. Whether you're a beginner or an experienced athlete, our tailored programs will guide you towards achieving your ultimate fitness goal: 50 pull-ups! Features that Empower Your Journey: * Personalized Programs: Choose from 11 workout plans that cater to your fitness level, from 9 to 50 pull-ups. * Real-Time Tracking: Monitor your progress with detailed statistics, including your average pull-ups, active program, and earned medals. * Workout History: Keep a comprehensive log of your workouts, allowing you to track your improvements and stay motivated. * Reminder System: Never miss a workout with our customizable reminder feature. * Cloud Storage: Safely backup and transfer your personal statistics for seamless data management. * Warm-Up Exercises: Prepare your body for each workout with guided warm-up exercises. * Adaptive Training: Switch between programs during challenging sessions to ensure continuous progress. How It Works: Start with a fitness test to determine your baseline. Choose a program that aligns with your current ability and follow the structured workouts. Use the timer for optimal rest periods and maintain a regular training schedule. With dedication and our app's support, you'll witness significant improvements within a week. Benefits You'll Experience: * Increased upper body strength and muscle mass * Improved endurance and cardiovascular health * Enhanced core stability and flexibility * A sense of accomplishment and personal growth Don't settle for average. Join the ranks of those who have achieved the coveted 50 pull-ups with 50 Pull-ups Workout BeStronger. Download now and embark on your journey to pull-up mastery!

Screenshots

20 Pull Ups Trainer Challenge4 screens
50 Pullups Be Stronger4 screens

Verdict

The call

The clearest difference is ads: 20 Pull Ups Trainer Challenge at none against 50 Pullups Be Stronger's shown. 20 Pull Ups Trainer Challenge also leads on ratings volume (890 vs 9). 50 Pullups Be Stronger's advantage is review sentiment (80% vs 48%) and update cadence (every 3 weeks vs every 2 months). On price, rating, 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. 20 Pull Ups Trainer Challenge sells 3 in-app purchases, starting at $4.99 per month and 50 Pullups Be Stronger sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for 20 Pull Ups Trainer Challenge against 4.6 for 50 Pullups Be Stronger. That said, the two scores are not equally well evidenced: 20 Pull Ups Trainer Challenge has 890 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 48% of 20 Pull Ups Trainer Challenge's written reviews are positive against 80% of 50 Pullups Be Stronger's.

UpkeepUpdate frequency

20 Pull Ups Trainer Challenge ships an update every 2 months, 50 Pullups Be Stronger every 3 weeks. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
20 Pull Ups Trainer Challenge versus 50 Pullups Be Stronger: the parameters behind the verdict, then further details
Parameter20 Pull Ups Trainer Challenge50 Pullups Be Stronger
PriceFreeFree
Rating4.6 (890 ratings)4.6 (9 ratings)
Positive reviews48.5% of reviews80.0% of reviews — better
Number of ratings890 — better9
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.4 — better
Further details — not scored
Size71 MB61 MB
Age rating4+4+
DeveloperZen LabsDmytro Shvaher

Customer experience

20 Pull Ups Trainer Challenge

All ratings890 ratings
Positive90.3%
Neutral3.0%
Negative6.6%
Written reviews66 reviews
Positive48.5%
Neutral7.6%
Negative43.9%

50 Pullups Be Stronger

All ratings9 ratings
Positive77.8%
Neutral22.2%
Negative0.0%
Written reviews10 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

Bugs and requests

20 Pull Ups Trainer Challenge

Reported bugs

2 issues
  • App crashes
  • Compatibility issues with older devices

Requested features

3 requests
  • Ability to track incomplete workouts
  • Option to start at beginner, intermediate, or advanced level
  • Ability to combine multiple Zen apps (push-ups, squats, etc.) into circuits

50 Pullups Be Stronger

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

20 Pull Ups Trainer Challenge

Subscriptions3
  • Zen Unlimited Pass Monthly7 Days trial$4.991 Month
  • Zen Power Playlist 3 Months7 Days trial$29.993 Months
  • Zen Unlimited Pass Annual7 Days trial$74.991 Year
1 purchases

50 Pullups Be Stronger

One-time1
  • Remove ads$0.99

Questions

Is 20 Pull Ups Trainer Challenge free?
20 Pull Ups Trainer Challenge is free to download, with in-app purchases available.
Is 50 Pullups Be Stronger free?
50 Pullups Be Stronger is free to download, with in-app purchases available.
Which has better reviews, 20 Pull Ups Trainer Challenge or 50 Pullups Be Stronger?
20 Pull Ups Trainer Challenge and 50 Pullups Be Stronger are both rated 4.6 out of 5 on the App Store, from 890 and 9 ratings respectively.
Do 20 Pull Ups Trainer Challenge or 50 Pullups Be Stronger have ads?
50 Pullups Be Stronger shows ads; 20 Pull Ups Trainer Challenge does not.
Which is updated more often, 20 Pull Ups Trainer Challenge or 50 Pullups Be Stronger?
20 Pull Ups Trainer Challenge ships an update every 2 months, and 50 Pullups Be Stronger every 3 weeks. Most recently, 20 Pull Ups Trainer Challenge was updated on September 26, 2026 and 50 Pullups Be Stronger on September 21, 2026.

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