Comparison

0 vs 100 Sit

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

Head to head
About

0

This app guides users through an 8-week program to build strength and stamina, aiming to achieve 200 situps. It offers voice cues, progress tracking, and community sharing features, with a free trial available.

Highlights
  • 8-week training program
  • Voice cues for guidance
  • Achieve badges and awards
  • Social media integration
  • Free trial period
  • Unlimited access with pass
Features
Read full description

■ Join the millions completing the Zen Challenge Series! ■ 0 to 200 Situps in 8 weeks! ■ Featured on Glamour Magazine, Yahoo!’s Appolicious, Popsugar Fitness, Apple’s “What’s Hot”, Apple’s “New & Noteworthy”, and doctor recommended on healthTap! "I've tried tons of different ab workouts, but this one was my favorite. It starts out easy to give you the confidence you need to keep going. Started only being able to do about 20 situps and week 2 is already 25, but the program breaks it into smaller sets and gives you rest breaks to build your stamina gradually. I'm now at 50 situps!" Are you ready for the 200 Situps Challenge? Train your body and build up to completing 200 situps with same people that brought you the OFFICIAL #1 5K Training app C25K®. Using a proven program, you will be able to complete 200 situps after just 8 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 200 situps. ≈ 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

100 Sit

This app acts as a personal fitness coach, using your device's motion sensor to automatically count sit-ups. It provides a structured training plan, voice coaching, and motivational features like leaderboards and streaks to help you achieve your core strength and abs goals.

Highlights
  • Automatic sit-up counting via motion sensor
  • Voice coaching for feedback
  • Global and friend leaderboards
  • Personalized training plans
  • Goal setting and reminders
  • Workout streaks tracking
  • Integration with Apple Health
Features
Read full description

100 Sit-Ups Six Pack Trainer transforms your iPhone/iPad into your very own FITNESS COACH. Sit-ups are among the most popular strength exercises for a flat belly and ripped abs for a reason. They’re highly effective and a big step towards your sixpack. Seize the moment, maximize your motivation and kick off your journey to perfect abs! This innovative app leverages the power of technology to automatically detect your sit-ups using the motion sensor on your device. It diligently keeps track of your sit-up repetitions, assists you in reaching new personal milestones, and provides essential support for achieving your fitness goals. Moreover, a comprehensive training regimen and dynamic voice coaching are seamlessly integrated. With this app, you have the flexibility to enhance your core strength anytime, anywhere. Embark on a journey guided by a meticulously crafted training plan that adapts to your fitness level and aspirations. You can opt for one of three intensity levels, progressing from 0 to 100 Sit-Ups. To foster your enthusiasm, a captivating leaderboard awaits, allowing you to measure your progress against friends and even individuals worldwide. Should you desire to unite with colleagues, you can effortlessly establish a distinct leaderboard exclusively for your group. Ultimately, we are committed to your success. This is why we introduce a user-friendly goal setting feature and the motivating concept of streaks. Set daily, monthly, and yearly objectives and receive timely reminders. By engaging in a workout each day, you cultivate a streak and unlock additional motivation! PRO TIP: As little as 3-5 minutes of daily sit-up training will fortify your cardiovascular fitness, enhance endurance, amplify upper body strength, and sculpt your muscles over time. Witness your sit-up prowess skyrocket! APP FEATURES: - Counts completed Sit-Ups by the proximity sensor or your nose - Voice coach for feedback - Leaderboard with friends and global leaderboard. Add a filter to the leaderboard to compare to your peer - Live Leaderboard - Set personal goals (Daily, Monthly, Yearly) and get reminders. - Quick statistics on the main screen - Calendar view - Scientifically developed training plan. Choose your Plan level 1-2-3 - Streaks - tracks the number of days in a row you’ve completed a workout (works in combination with the 100 Push-Ups app) - Statistics in your profile. See your weekly, monthly, and yearly progress in a chart - Personal Record - Show & shine by sharing your personal record on social media - Achieve new levels by doing more push-ups - Connect to Apple Health - Create groups and add your co-workers, families, etc., to the leaderboard - Leaderboard filters (Age, Sex, Country, etc.) - Share your success on Instagram, Snap, TikTok, and other social media platforms SUPPORT Our goal is to build the best fitness apps in the world. You can help us by reporting bugs and requesting features via email: support@foxyfitness.app TERMS & PRIVACY https://foxyfitness.app/privacy-policy https://foxyfitness.app/terms-of-service SUBSCRIPTION PRICING AND TERMS: The App offers an auto-renewing monthly subscription at USD 3,99/month (or currency equivalent) and an auto-renewing yearly subscription at USD 29,99/year (or currency equivalent) to provide you with unlimited access to all PRO Features. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified.

Screenshots

04 screens
100 Sit4 screens

Verdict

The call

The clearest difference is ads: 0 at none against 100 Sit's shown. 0 also leads on ratings volume (2.1K vs 139). 100 Sit's advantage is review sentiment (88% vs 59%) and update cadence (every 2 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. 0 sells 3 in-app purchases, starting at $4.99 per month and 100 Sit sells 2 in-app purchases, starting at $3.99 per month. 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 — 4.7 for 0 against 4.9 for 100 Sit. That said, the two scores are not equally well evidenced: 0 has 2.1K ratings behind it against 139, so its average is the more settled of the two. Written reviews are what separate them: 59% of 0's written reviews are positive against 88% of 100 Sit's.

UpkeepUpdate frequency

0 ships an update every 2 months, 100 Sit every 2 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
0 versus 100 Sit: the parameters behind the verdict, then further details
Parameter0100 Sit
PriceFreeFree
Rating4.7 (2.1K ratings)4.9 (139 ratings) — better
Positive reviews58.9% of reviews87.8% of reviews — better
Number of ratings2.1K — better139
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.016.0
Further details — not scored
Size68 MB370 MB
Age rating4+4+
DeveloperZen LabsFoxyfitness GmbH

Customer experience

0

All ratings2,114 ratings
Positive94.3%
Neutral2.6%
Negative3.2%
Written reviews90 reviews
Positive58.9%
Neutral4.4%
Negative36.7%

100 Sit

All ratings138 ratings
Positive97.1%
Neutral0.7%
Negative2.2%
Written reviews41 reviews
Positive87.8%
Neutral0.0%
Negative12.2%

User reviews

0

From 2.1K App Store ratings

What we love

  • 👍 Simple and effective
  • 🚀 Motivating and inspiring
  • 💪 Gradually builds up strength

Room to improve

  • 🔒 Locked features after paid purchase
  • 💰 Expensive subscription model
  • 🔁 Forced to pay again for previously purchased content

100 Sit

From 139 App Store ratings

What we love

  • 👍 Motivates users to continue
  • 👍 Reliable and trustworthy
  • 👍 Fun and encouraging
  • 👍 Good for home workouts
  • 👍 Good motivation

Room to improve

  • 👎 Inaccurate counting
  • 👎 Settings not intuitive
  • 👎 Frequent premium upsells
  • 👎 Usability issues on smartphones
  • 👎 App becomes faulty after in-app purchase

Bugs and requests

0

Reported bugs

2 issues
  • Timer pauses when switching apps
  • Lack of background audio playback

Requested features

3 requests
  • Ability to adjust workout intensity and rest times
  • Option to skip warm-up
  • Workout progress tracking improvements

100 Sit

Reported bugs

4 issues
  • Counts sit-ups inaccurately
  • App freezes after in-app purchase
  • Accidentally pay for premium due to screen sensitivity
  • Pause ends too soon due to screen sensitivity

Requested features

4 requests
  • Allow filters to be set permanently
  • Wish for a way to go back
  • Language option for Russian
  • Option to go back

In-app purchases

3 purchases

0

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
2 purchases

100 Sit

Subscriptions2
  • Sit-Ups PRO3 Days trial$3.991 Month
  • Sit-Ups PRO3 Days trial2 variants$19.991 Year

Questions

Is 0 free?
0 is free to download, with in-app purchases available.
Is 100 Sit free?
100 Sit is free to download, with in-app purchases available.
Which has better reviews, 0 or 100 Sit?
100 Sit is rated higher. 0 averages 4.7 out of 5 from 2.1K ratings, while 100 Sit averages 4.9 from 139 ratings.
Do 0 or 100 Sit have ads?
100 Sit shows ads; 0 does not.
Which is updated more often, 0 or 100 Sit?
0 ships an update every 2 months, and 100 Sit every 2 weeks. Most recently, 0 was updated on October 29, 2026 and 100 Sit on October 27, 2026.

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