Runsy

Runsy is a subscription iPhone and iPad running coach that turns Apple Health data into adaptive weekly plans for races, speed goals or general fitness, with a chat coach, and free plans and calculators on its website.

Runsy is an iPhone and iPad running coach that builds a weekly training plan from a runner's own Apple Health data. It reads workouts, heart rate, VO2 max, resting heart rate and body weight, then shapes the plan around a chosen goal: training for an event, getting faster, or simply staying fit. Events can be a 5K, 10K, half marathon or marathon, but also a match or a hike, in which case the plan leans on VO2 max intervals, repeated sprints and long runs capped near 75 minutes. In practice, the plan works backward from a race date through base, build, peak and taper phases, pins race day, and schedules two weeks of recovery afterward. Weekly growth is held to roughly 10% at most, with a check on acute versus chronic load, and volume stops at a ceiling suited to the distance. Missed sessions are handled by linking a late run to the session it replaces, so the week stays accurate. Other sports count too: 20 minutes or more of soccer or cycling can register as a session, and hard efforts count as intensity. Runs from Garmin, COROS and Strava appear if they sync to Apple Health, since there is no direct integration with those services. A chat coach sits on top of the plan. Users type or send a voice note, ask for a change such as moving a tempo run around a work trip, and the plan updates with a note on what moved. The coach keeps a memory that can be viewed and deleted, and check-ins respect quiet hours and frequency limits. A first week is generated in about a second before any payment. Runsy suits runners who want something more responsive than a static PDF plan but who live inside the Apple ecosystem. The website adds free training plans, 21 calculators, benchmarks, guides, race guides and comparison pages, usable on any phone including Android. The app itself is subscription-based and iOS only, which narrows its audience compared with cross-platform coaching apps.