Centa: 100-Day Challenge
100-Day Challenge for Women
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
No more yo-yo, calorie counting, or "starting Monday." 100 days, one clear plan, one small step each day. This time you'll see it through — structure, not restriction.
You've tried everything. But you were never the problem — the method was.
Sound familiar? You start motivated on Monday, stay consistent for two weeks, and then real life takes over. Calorie-tracking apps feel like a second job. Strict diets leave you hungry, frustrated, and right back where you started.
Centa is different — because it's built for the woman who has quit before.
No counting. No punishing rules. No "all or nothing." Just one clear, personalized 100-day plan and one small step each day — structure that survives a busy day, not another reset you abandon by Friday.
How Centa works
• Answer a few questions and Centa builds a 100-day plan around your goal, your body, and the time you actually have.
• Follow simple daily promises — no calorie counting, ever.
• Take a daily progress photo and watch the change before anyone else notices.
• Keep your streak with gentle daily structure, not guilt.
• Cook from simple, satisfying recipes made for real life.
Why women stay
It was never about willpower. It's about a rhythm you can keep on ordinary days. Small promises, kept daily, are what finally make it stick.
100 days from now, you'll be glad you started today.
Centa is for general wellness and is not medical advice. Consult a doctor before starting any weight-loss or exercise program.
Terms of Use: https://app.notion.com/p/Terms-of-Use-Centa-38c60bee6afa80f49983ed17c49ddfe9?source=copy_link
Privacy Policy: https://app.notion.com/p/Privacy-Policy-Centa-38c60bee6afa80c3a54df79c5fad70c7?source=copy_link
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Nikita Krebs, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- User Content
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Nikita Krebs
- Size
- 68.7 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Yearly Subscription $39.99
- Yearly Subscription $39.99
- Yearly Subscription $59.99
- Weekly Subscription $9.99
- Copyright
- © 2026 NK Productions
