0 vs 100 Sit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 8-week training program
- Voice cues for guidance
- Achieve badges and awards
- Social media integration
- Free trial period
- Unlimited access with pass
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■ 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.
100 Sit
Achieve 100 consecutive sit-ups in just six weeks with this home workout app. It provides effective routines designed by a personal trainer, suitable for beginners and all fitness levels. Learn proper technique and track your progress to strengthen your core muscles anywhere, anytime.
- 6-week sit-up training program
- Personal trainer-designed routines
- Suitable for beginners
- Learn proper sit-up technique
- Workout at home or anywhere
- Targets core and abdominal muscles
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By this app, it is no longer difficult to do 100 sit-ups at once in 6 weeks. You can workout at home, at work, at school and at university. Also this app is free. What Muscles Do Sit-Up Workout? *Obliques *Abdominals *Rectus Femoris *Iliopsoas *Abs You can easily improve your abs muscles in wherever you want, test yourself and start to sit up workout. By this app, you can do without stopping 100 sit-ups in 6 weeks . Everywhere and every day you can do workout for free. If you bored to pay gyms. Try this app now. The best Sit-Up Workout app. This workout routine made by real personal trainer and this routines optimal for everyone. If you are beginner in do sit ups , don't worry 6 weeks later you will do 100 Sit Up without stopping. If you don't know how to do sit up, don't worry in the app we will teach you. Just get started and don't forget to describe your body changes after 6 weeks. This app is quick and effective sit up workout at home.
Screenshots
Verdict
The clearest difference is in-app purchases: 100 Sit at none against 0's 3. 100 Sit also leads on rating (5.0 vs 4.7) and iOS requirement (11.0 vs 16.0). 0's advantage is ratings volume (2.1K vs 2). On price, update cadence, ads and device support 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
Both are free to download. 0 sells 3 in-app purchases, starting at $4.99 per month. 100 Sit asks for nothing beyond the download.
100 Sit holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: 0 has 2.1K ratings behind it against 2, so its average is the more settled of the two.
0 ships an update every 2 months, 100 Sit every 6 weeks. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.
| Parameter | 0 | 100 Sit |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (2.1K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 58.9% of reviews | — |
| Number of ratings | 2.1K — better | 2 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 68 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Zen Labs | Eray Aksoy |
Customer experience
0
100 Sit
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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
0
- 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
100 Sit
No in-app purchases







