Iterio: Pomodoro Timer & Focus

Turn your phone from your biggest distraction into your best study partner. Iterio is a Pomodoro timer and study planner that combines deep-focus work sessions, app blocking, and spaced repetition — so you concentrate fully today and still remember what you learned weeks from now.

Whether you are preparing for entrance exams, studying for professional certifications, learning a language, or simply trying to build a daily study habit, Iterio keeps you focused and on track.

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KEY FEATURES
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■ Pomodoro Timer
• Stay focused with classic 25-minute work sessions and 5-minute breaks
• Fully customizable: change work length, break length, and cycle count
• Gentle countdown sound in the last seconds of each session

■ Focus Mode — Block Distracting Apps
• Restrict access to distracting apps while your session is running
• Normal mode: can be unlocked anytime in an emergency
• Strict mode: stronger blocking with an always-available emergency exit
• Allowlist the apps you truly need, like a dictionary or music player

■ Spaced Repetition Review
• Every study record is automatically added to your review schedule
• Reviews at 1, 3, 7, 14, and 30 days, following the Ebbinghaus forgetting curve
• Reminders arrive exactly when a review is most effective for retention
• Stop guessing when to review — let science decide for you

■ Study Tracking
• Log study time by subject and topic
• Attach page ranges and notes to every session
• Templates turn repeat entries into a two-tap job

■ Statistics & Analytics
• Daily, weekly, and monthly study time charts
• Subject distribution shows where your hours really go
• Study streaks keep your motivation high
• Average daily study time at a glance

■ Calendar Heatmap
• GitHub-style contribution graph of your study history
• Spot gaps and patterns in seconds

■ Home Screen Widget
• Check today's study time and streak without opening the app

■ Focus Sounds (Premium)
• Rain, café ambience, white noise, and more
• Generated on your device — no downloads, no streaming, zero data use

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ACCESSIBILITY SERVICE
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Iterio uses Android's AccessibilityService API only for optional Focus Mode. During a timer, it processes the foreground app package name, screen changes, and window positions and sizes—including Picture-in-Picture—on device to detect blocked apps, return you to Iterio, and show a lock screen. It never reads screen text, inputs, passwords, or images. This information is not stored, sent, shared, or used for ads, analytics, or tracking. If you decline consent, the timer and study records still work. You can end the session and disable the service in Android Settings.

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WHO IS ITERIO FOR?
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• Students who reach for their phone the moment studying gets hard
• Exam candidates who need consistent daily study time
• Professionals preparing for certifications alongside a full-time job
• Language learners who want reviews timed for long-term memory

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PREMIUM
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• Unlimited timer customization
• Detailed statistics and analytics
• Encrypted cloud backup to your own Google Drive
• Focus sounds (rain, café, white noise, and more)
• Theme customization
Monthly, yearly, and one-time lifetime plans are available.

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PRIVACY FIRST
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• Your study records stay on your device by default
• No ads and no behavioral tracking
• Premium can be purchased without a separate Google sign-in inside Iterio; linking an account for recovery is optional
• Purchase status is checked securely with Google Play by the verification server
• Backups are encrypted with AES-256 before they ever leave your phone

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SUPPORT
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Questions or feedback? Reach us at support-iterio@ks-apps.org.

Download Iterio today, start your first Pomodoro timer session, and turn focused study into a daily habit.