# 42 Fitness — 42-Day Fitness Challenge > 42-Day Fitness Challenge (iPhone/iPad app by Te Wen Chiu.) - Source: https://appshunter.io/ios/app/42-fitness/id6776316927 (this page in markdown: same URL + `.md`) - Developer: [Te Wen Chiu](https://appshunter.io/developer/6776316929) - Category: Health & Fitness - Price: Free - Age rating: 4+ - Requires: iOS 16.4 · 20 MB - Languages: American English - Released: 2026-06-09 - Data updated: 2026-06-29 - User reviews in markdown: https://appshunter.io/ios/app/42-fitness/id6776316927/reviews.md ## What is 42 Fitness? Transform yourself in 42 days. 42 is the fitness challenge app that builds life-changing habits. Commit to 42 days of consistent workouts, track every session, and watch your fitness score climb from Beginner to Elite. WHY 42 DAYS? Research shows it takes 42 days — 6 weeks — to truly build a habit that sticks. Enough time to make exercise feel automatic, not forced. YOUR FITNESS SCORE 42 calculates a real-time fitness score (0–100) based on three factors: • Consistency — how often you show up • Effort — how hard you push • Volume — how long you train Level up from Beginner → Building → Active → Athlete → Elite as you progress through the challenge. KEY FEATURES • Log any workout — Run, Ride, Walk, Swim, Gym, Yoga, and more • GPS distance tracking for outdoor runs and rides • Circular gauge dials showing days left and fitness score • Weekly summary with active days, total minutes, and score change • 11 achievement badges to unlock as you hit milestones • Calendar view — see every workout and rest day at a glance • Progress chart tracking your fitness score across all 42 days • Daily reminder notifications to keep your streak alive • Add workout photos or selfies to remember your best sessions • Share your progress card with friends and family • Rest day logging — intentional recovery counts too • Swipe to edit or delete any workout ACHIEVEMENT BADGES Unlock 11 badges as you progress: First Sweat · Hat Trick · Week One · Dedicated · Week Two · On Fire · Halfway There · Warrior · Week Four · Home Stretch · 42-Day Champion HOW IT WORKS 1. Tap "Begin Today" to start your 42-day challenge 2. Log each workout — pick the type, duration, and how you felt 3. Watch your fitness score and progress ring update in real time 4. Hit milestones and unlock achievement badges along the way 5. Share your final result on Day 42 YOUR DATA STAYS WITH YOU All workout data is stored privately on your device. No account required. No subscription. No cloud sync. Start your 42-day transformation today. ## Version history (last 3 releases) ### 2.5 — 2026-06-19 Apple Health Integration Workouts from Apple Watch and other health apps automatically sync into your 42-day challenge Daily step count displayed on the Home screen Manual sync button to pull in workouts on demand Heart rate and calories imported from Health Improvements Progress Breakdown score display fixed (no more wrapping on "100") Version bumped across iOS and Android ### 1.5 — 2026-06-10 Journey Paths (major new feature) Pick a distance goal (5K, 10K, 25 mi, etc.) tied to your workout type Custom distance option with a cap Progression lock — must complete current path before unlocking the next Completion share card when you hit a goal Triathlon distances added for riding Scrollable disclaimer Workout Improvements Tap any workout card to edit (replaces swipe-to-edit) Workouts now show time of day (h:mm format) Name truncation for long display text Settings & Reset Reset now also clears journey path progress ### 1.0 — 2026-06-10 No release notes. ## Related topics [42 fitness](https://appshunter.io/ios/topics/42-fitness) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-29.*