Free: unlimited workouts, all presets, voice and beep cues, up to 3 custom plans, autosave, no ads. Premium: one-time purchase $3.99 for first 100 places, then $6.99 — adds unlimited custom plans, session history, export and import plans as files.
Not given
Key features
Voice cues in English, Russian, and Spanish
Independent volume controls for music, voice, and beeps
Optional ducking to dip music during cues
Intervals set in whole seconds from 1 second to an hour
Survives incoming calls and app switches with automatic resume
Preset protocols including Tabata 20/10 and HIIT
Custom plans with autosave
Export and import plans as JSON files in Premium
Session history tracking in Premium
No ads, ever
Ask Wyndo natural-language questions about activity conditions
Paw Check pavement heat warnings for dog walks
Heat-adjusted pace calculator with published research
Race-day weather pages for 112 major marathons and road races
Pavement-heat estimates for 51 US cities
Email alerts for good weather windows
Multi-source weather data from Open-Meteo, OpenWeatherMap, and US National Weather Service
Dog size, coat, age, and health customization
Embeddable Paw Check widget for vet clinics and shelters
What makes it different
Runs with screen off and phone in pocket without pausing
Works alongside your music without pausing playlists
Survives interruptions and resumes from exact position
No account or login required
One-time premium purchase with no subscriptions or renewals
Rule-based decision engine instead of language model guessing
Pace calculator cites published research and refuses precision beyond supporting data
Safety vetoes override comfort recommendations
20 years of historical weather data for major race start hours
Built and run by a solo founder with two decades in technical communities
Intertakt
Wyndo