RunCraft vs Marafit

RunCraft adapts to how you run: start with guided run-walk training, prepare for a goal race, or run your own way. Download free. Your 21-day Full Experience starts when you first get RunCraft from the App Store, not when you first open it. Afterward, keep importing Apple Health workouts and viewing basic history, VDOT, and mileage for free, or unlock Lifetime with one purchase. No subscription. No automatic renewal. Guided workouts run on iPhone, and can also be sent to Apple Watch for haptics, heart rate, voice cues, and on-wrist controls. Live Activity keeps pace, heart rate, and interval progress visible on your iPhone lock screen and Dynamic Island. ——— CHOOSE YOUR PATH ——— Start as a Beginner: answer a short questionnaire to build run-walk training around your current habits, with 1–3 sessions per week. No race date or target pace is required, and the guidance adjusts as you progress. Train for a Race: enter a race date and recent result — or use one from HealthKit — and RunCraft builds a personalised plan from your remaining lead time using Jack Daniels VDOT pace zones. Run Your Own Way: during Full Experience or with Lifetime, start free runs without a schedule and add an optional weekly routine when you want more structure. In Free Mode, record with Apple Workout or another HealthKit app; RunCraft keeps importing time, distance, pace, heart rate, and trends. ——— TRAIN ON IPHONE OR APPLE WATCH ——— Start structured workouts directly on iPhone, or send them to your paired Apple Watch. Watch workouts add wrist haptics, heart-rate context, and water-lock friendly controls; iPhone workouts still save to Apple Health and appear in your history. ——— INSIGHTS ——— VDOT trend, VO₂max estimate, LT1/LT2 lactate threshold, running economy, heart rate recovery, training zone distribution, weekly mileage, and predicted race times for 5K / 10K / half marathon / marathon — all computed from your Health data, all on-device. ——— BUILT FOR RUNNERS ——— · Beginner guidance, race training, and, during Full Experience or with Lifetime, free runs with an optional weekly routine · Super slow jogging presets plus structured workouts such as Yasso 800s, Mona Fartlek, Michigan Workout, Cruise Intervals, Hill Repeats, Speed Pyramid, Ladder, Progression Run, Tempo Run, and Easy Recovery · Custom workout editor: build warmup → repeat groups → cooldown with distance, time, and pace-zone targets · Phone-native guided workouts and Apple Watch guided workouts · Session substitution for compatible planned workouts · HRV-aware recovery suggestions when sleep or recovery signals drop · Live Activity on iPhone lock screen and Dynamic Island · Home Screen & Lock Screen widgets showing today's session · Siri shortcuts for today's training, starting workouts, setting VDOT, and logging runs ——— PRIVACY ——— No RunCraft account, no developer-operated server, and no advertising or third-party analytics. Training data stays on your devices; if you enable iCloud, it syncs between them through your private iCloud database. Available in English · 繁體中文 · 简体中文 · 日本語 · 한국어

Marafit turns your own Apple Health running data into a full 16-week marathon plan — and keeps adjusting it to what you actually run. Most training apps hand you a template and ask you to fit into it. Marafit reads your last 90 days of runs, works out your heart-rate zones, your easy pace, your threshold pace and your current fitness, and builds the plan around those. WHAT YOU GET FOR FREE • A complete 16-week periodised plan — 3:1 build/down weeks, a 3-week taper, every session placed on a real date • Pick your own training days: long run day, quality day, and as many support runs as you want (3 to 6 sessions a week) • Personal heart-rate zones for every session, derived from your maximum and resting heart rate via the Karvonen method • Daily readiness score from HRV, resting heart rate and sleep, with the full breakdown of how it was calculated • Today's fitness, fatigue and form (CTL / ATL / TSB) • Weekly score: planned versus actual, session by session • Long-run comparison: heart-rate curve and time in each zone • A realism check on your goal time, so you find out before week one rather than on race day MARAFIT PRO • Paces tuned to you — easy and threshold paces come from your own measured efforts and VDOT, instead of being derived from your goal time • A plan that follows you — miss a week or overshoot one, and the remaining weeks are re-anchored to what you actually ran • Fitness and fatigue trends over 90 days, not just today's numbers • Deep run analysis — aerobic efficiency, heart-rate drift with warm-up removed, heat stress from the temperature and humidity recorded during the run, plus running dynamics and elevation HOW IT WORKS Marafit reads runs, heart rate, HRV, resting heart rate, VO2 max, sleep and body metrics from Apple Health. It never writes anything back. Every calculation runs on your iPhone. The training model follows established methods: Karvonen heart-rate reserve for zones, Daniels VDOT for equivalent performances and threshold pace, Banister TRIMP for training load, and the CTL / ATL / TSB fitness-fatigue model. BEFORE YOU START Marafit needs running history in Apple Health to build anything — record runs with Apple Watch or the iPhone Workout app. If you have none yet, tap "Or explore with demo data" on the first screen to load 13 weeks of sample runs and see the whole app, then clear them in one tap. Currently supports the full marathon (42.195 km). Half marathon is not included: the periodisation, long-run progression and race-pace work are all calibrated for the full distance, and offering a rescaled version would produce a plan that looks usable but isn't. iPhone only. There is no iCloud sync, so your data stays on the device you use. PRIVACY No account. No servers. No analytics, advertising or tracking SDKs. Your health data never leaves your device — we have no way to receive it even if we wanted to. Deleting the app deletes everything. SUBSCRIPTION Marafit Pro is available as a monthly or yearly auto-renewing subscription, or a one-time lifetime unlock. Eligible Apple IDs get a 7-day free trial on the yearly plan. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel any time in your App Store account settings. The lifetime option does not renew. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://jakepyth.github.io/marafit-support/privacy.html Marafit gives training guidance, not medical advice. It does not diagnose or treat any condition. Consult a physician before starting a new training programme, and stop if you feel unwell.