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Iterio blocks distracting apps during study sessions and auto-schedules reviews using the Ebbinghaus forgetting curve. Free to download on Google Play.

Get it on Google Play Android 8.0+ · Free to install · No ads
Who Is This For

Sound Familiar?

Phone Addict During Study

"I only meant to check one notification..." Sound familiar? Other focus apps are easy to bypass. Iterio isn't.

Exam & Certification Prep

You study for hours but forget it all within a week. Iterio schedules reviews at the scientifically optimal intervals so you don't have to.

Building a Study Habit

You want a consistent routine but lack the discipline. Iterio's focus lock and streaks keep you on track.

Screenshots

See It in Action

Focus Timer screen showing a 25-minute Pomodoro countdown
Focus Timer
Focus Lock screen blocking all apps during study session
Focus Lock
Spaced Repetition review schedule with upcoming review dates
Spaced Repetition
Core Features

Everything You Need to Study Smarter

3-Level Focus Lock

Your phone becomes a timer and nothing else. Unlike other apps, Iterio blocks every escape route — including PiP.

  • App restriction mode
  • Full phone lock mode
  • Complete lockdown (blocks PiP)

Auto Spaced Repetition

Based on the Ebbinghaus forgetting curve. You study, Iterio tells you when to review. No manual scheduling.

  • Auto-generated at 1, 3, 7, 14, 30 days
  • Per-subject tracking
  • Calendar view with reminders

Study Analytics

Track your progress with detailed stats, streaks, and a GitHub-style heatmap. See exactly how far you've come.

  • Daily / weekly / monthly charts
  • Subject distribution breakdown
  • Streak tracking + heatmap calendar
Premium

What Premium Adds

14-Day Free Trial

Strict Focus Mode, reviews out to 30 days, detailed stats, the calendar heatmap, the home screen widget, encrypted Google Drive backup, focus sounds and themes. The monthly plan starts with a 14-day free trial — cancel before it ends and you are not charged.

Your Feedback Shapes the Roadmap

Talk directly to the solo developer who writes every line of code. Your ideas become features.

Actively Updated

New releases ship regularly, and the free tier keeps the timer, normal Focus Mode, the study log and reviews at 1 and 3 days.

How to Start

3 Easy Steps

1

Install from Google Play

Free to install. No account and no signup required.

2

Add what you will study

Register the subject or topic as a task. Turn on Focus Mode if you want distracting apps blocked.

3

Start a 25-minute session

When it ends, log what you studied. Iterio schedules the reviews from there.

FAQ

Common Questions

Free: the Pomodoro timer, Focus Mode at the normal level, the study log, reviews at 1 and 3 days, and today's study time and streak. Premium adds strict Focus Mode, reviews out to 30 days, detailed stats, the calendar heatmap, the home screen widget, unlimited timer customisation, encrypted Google Drive backup, focus sounds and themes. There are no ads at any tier.
All your study data stays on your device. There are no external servers and no tracking. Cloud backups are opt-in and encrypted with AES-256-GCM. Privacy Policy
The Focus Lock feature needs Accessibility Service to detect and block app switches during study sessions. It does not read your screen content or collect any personal information.
Yes. The timer, study log, review schedule and statistics all run on your device. A connection is only needed for cloud backup and for purchases.
Yes. Subscriptions are managed in Google Play, so you can cancel any time from the Play Store's subscription settings. Cancel during the 14-day trial and you are not charged. A one-time lifetime purchase is also available.

Ready to Focus?

Install it free from Google Play and start your first session today.

Get it on Google Play