230+ iOS apps curated and reviewed
If you already know 100 Days of Challenge, this is the deeper bench. 230+ 100 days of challenge apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | Yes | Jun 2026 |
| 2 |  | Free | 2.6★ (5) | No | No | May 2026 |
| 3 |  | Free was $0.99 | — | No | No | May 2026 |
| 4 |  | Free | 4.6★ (440) | No | Yes | Aug 2026 |
| 5 |  | Free | — | — | No | Jul 2026 |
| 6 |  | Free | 4.1★ (9) | No | Yes | Aug 2026 |
| 7 |  | $9.99 | — | — | No | Aug 2026 |
| 8 |  | Free | 2.8★ (5) | Yes | Yes | Aug 2026 |
This app encourages a daily walking habit for 100 consecutive days, requiring a minimum of one mile per day and a total of 100 miles by the end. It's designed for global participation, aiming to make walking a sustainable lifestyle choice for individuals of all ages and professions.
This app helps you build lasting habits by tracking your daily progress on up to 100-day challenges. Customize your goals with themes and layouts, and share your achievements. Widgets offer at-a-glance progress updates.
This app offers a 30-day challenge focused on improving core strength and overall fitness through effective plank exercises. It provides instructional videos, workout tracking, and reminders to help users achieve their fitness goals without needing any equipment.
This program offers 30-day high-intensity interval training routines designed for weight loss. It uses randomized, bodyweight-only exercises that require no equipment and can be performed at home. Workouts are short, intense, and adaptable to your fitness level.
Embark on a 30-day yoga journey to improve your fitness, mindfulness, and overall well-being. This app guides you through daily practices, helping you build healthy habits and transform your body and mind.
This app offers a 30-day challenge with various plank exercises to strengthen your core, tone your abs, and improve posture. It caters to beginners and advanced users with adjustable holding times and exercise variations for effective home workouts.
Participate in a month-long fitness challenge to support a children's hospital. Track your physical activity, update your fundraising progress, and send emails directly from your device.
Build lasting habits with a visual 10x10 grid that tracks your progress. Capture your journey with daily photos and gain insights into your patterns to stay motivated. Celebrate milestones and achieve your goals.
Achieve weight loss and muscle gain with personalized home workout plans and professional guides. This app offers a variety of exercises and customized routines, with an AI trainer to answer your fitness questions. See results in 30 days with zero equipment needed.
This 30-day program uses a mix of active and passive stretching to improve flexibility, increase range of motion, and reduce injury risk. It's designed to help users achieve greater flexibility, even if they've struggled with other methods.
This app provides personalized 90-day fitness programs tailored to your goals, fitness level, and preferred training style. Track your progress with detailed metrics, view body changes, and stay motivated with streaks and badges. You can also challenge friends to join your fitness journey.
This app offers a structured 30-day challenge to sculpt, lift, and tone glutes with daily, varied workouts. It adapts to your fitness level and time, with options from 1 to 12+ minutes, suitable for home or gym. Track progress and receive guidance.
This app guides users through a 75-day program to build healthy habits and develop resilience. It focuses on consistency and sustainable change for both physical and mental wellness, offering a balanced approach to self-improvement.
Achieve toned abs and lose belly fat with a home workout planner. Offers daily routines for all levels, requiring no equipment. Get your dream six-pack in 30 days with guided exercises.