Cortex: AI Focus Timer

A quieter evening. A clearer place to start. Cortex brings sleep sounds and a focus timer into one daily routine. Choose a sound for winding down, set your sleep timer, or start a focused stretch of work or study. No ads, no account, no sign-up. 40 SOUNDS FOR SLEEP AND FOCUS Explore 27 sleep soundscapes and 13 focus tracks. Soft piano, muted guitar, warm cello, low woodwinds and slow ambient textures give your evenings more variety. For work, choose lo-fi, acoustic music, gentle rhythms or a beatless reading background. Three focus tracks are built in and free. The other 37 tracks, including all sleep sounds, are part of Premium and download on demand. Once downloaded, they work offline. Wi-Fi is recommended for downloads. FIND YOUR NIGHTLY FAVOURITE Browse by category, save favourites and return to recent choices. The Downloaded view keeps ready-to-play sounds together. Listen to a 12-second preview of an unlocked, downloaded track before choosing it for your session. SLEEP TIMER, A SOFT FINISH Premium includes six sleep durations from 15 minutes to 2 hours. Your chosen sound repeats during the session and gradually fades to silence at the end, without an alarm. The 18 new sleep loops each contain at least three minutes of audio. A morning check-in lets you record how you slept. FOCUS AT YOUR OWN PACE Pomodoro 25/5, Long Focus 50/10, Short Sprint 15/3 and open-ended Flow are free. Track sessions, streaks and heatmaps. Premium adds AI Adaptive session lengths, up to 10 custom timer presets, weekly reports and CSV export. With your permission, Apple Health can provide heart rate variability, resting heart rate and sleep analysis for recovery and sleep insights. Health access is optional and read-only; these readings stay on your device. Cortex also works without Health. PREMIUM AND PURCHASES Choose a monthly or annual subscription, or a one-time Lifetime purchase. Eligible users may receive a 3-day monthly or 7-day annual free trial, only when confirmed by the App Store. Check your eligibility, price, billing period and first charge date before purchase. Payment is charged to your Apple ID at confirmation. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends. Manage or cancel in your account settings after purchase. Privacy Policy: https://cortex-focus.com/privacy/ Terms of Use: https://cortex-focus.com/terms/