Bullseye

Bullseye ジャーナル

iOSで集中力を取り戻すための実践的な戦略と行動科学。

Guide

How to Block Apps on iPhone Without Deleting Them (iOS 18 Guide)

Learn how to effectively block distracting apps on your iPhone without deleting them. Compare built-in Screen Time limits with unbypassable shield blockers like Bullseye.

Sep 07, 2026 · 7 min readガイドを読む →
Guide

How to Turn Your iPhone into a Minimalist 'Dumb Phone' (Without Buying New Hardware)

Transform your iPhone into a distraction-free dumb phone without sacrificing Maps, Banking, or Apple Pay. Follow this practical, step-by-step minimalism guide.

Sep 07, 2026 · 8 min readガイドを読む →
Guide

How to Block Social Media During Work Hours on iPhone (And Protect Deep Focus)

Stop reaching for your phone during the workday. Discover how to block Instagram, TikTok, LinkedIn, and X on iPhone during work hours with automated schedules.

Sep 07, 2026 · 6 min readガイドを読む →
Guide

How to Stop Doomscrolling Before Bed: The Sleep & Screen Time Protocol

Break the late-night doomscrolling habit. Discover how blue light, algorithmic feeds, and revenge bedtime procrastination ruin your sleep—and how to fix it.

Sep 07, 2026 · 7 min readガイドを読む →
Guide

How to Block Distracting Websites on Safari & iPhone Browsers

Learn how to block distracting websites like Reddit, YouTube, and news sites on iPhone Safari using Screen Time and Bullseye domain shields.

Sep 07, 2026 · 6 min readガイドを読む →
Comparison

The 7 Best App Blockers for iPhone in 2026 (Tested & Ranked)

Discover the best app blockers for iPhone in 2026. We tested Bullseye, Opal, One Sec, Freedom, Forest, and ScreenZen for effectiveness, privacy, and bypass difficulty.

Sep 07, 2026 · 9 min readガイドを読む →
Comparison

Best Opal App Alternatives for iPhone: More Privacy, Zero Bloat

Looking for an alternative to Opal? Discover why users are switching to minimalist, privacy-first Screen Time blockers like Bullseye with no bloated social feeds.

Sep 07, 2026 · 7 min readガイドを読む →
Comparison

One Sec vs. Bullseye: Friction vs. Hard App Blocking Compared

Compare One Sec's breathing delay friction against Bullseye's hard Screen Time shield. Discover which behavioral psychology method works best for your phone habits.

Sep 07, 2026 · 8 min readガイドを読む →
Comparison

Freedom vs. Native Screen Time Blockers: Which Is Better for iOS?

Compare VPN-based blockers like Freedom with native Apple Screen Time framework blockers like Bullseye. Battery life, privacy, and bypass protection compared.

Sep 07, 2026 · 8 min readガイドを読む →
Psychology

ADHD and iPhone Addiction: Why Willpower Fails and What Actually Works

Struggling with ADHD and phone addiction? Learn why low dopamine baselines and executive dysfunction make phone willpower impossible—and how hard shields restore control.

Sep 07, 2026 · 9 min readガイドを読む →
Psychology

Why Apple's 'Ignore Limit for 15 Minutes' Fails (And How to Fix It)

Understand the behavioral psychology of why Apple's 'Ignore Limit for 15 Minutes' button destroys your focus, and how unbypassable focus shields fix it.

Sep 07, 2026 · 7 min readガイドを読む →
Psychology

The 7-Day iPhone Dopamine Detox Guide: Reset Your Attention Span

Restore your focus and attention span with this realistic 7-day iPhone dopamine detox protocol. Step-by-step habit restructuring without throwing your phone away.

Sep 07, 2026 · 8 min readガイドを読む →
Psychology

Supercharging the Pomodoro Technique with Hard App Blocking

Why traditional Pomodoro timers fail when your phone is beside you. Discover how combining 25-minute Pomodoro intervals with iOS app shields guarantees flow.

Sep 07, 2026 · 7 min readガイドを読む →
Psychology

Deep Work on iOS: How to Protect 4 Hours of Daily Uninterrupted Focus

Master Cal Newport's Deep Work philosophy in an age of mobile distractions. Learn how to engineer your iPhone to defend four hours of deep focus every day.

Sep 07, 2026 · 8 min readガイドを読む →
Technology

How Apple's Screen Time API (FamilyControls) Works: The Ultimate Privacy-First Guide

A technical and privacy breakdown of Apple's FamilyControls, ManagedSettings, and DeviceActivity frameworks. Learn why Bullseye never reads your app data.

Sep 07, 2026 · 8 min readガイドを読む →
Technology

How Live Activities and Dynamic Island Keep You Accountable in Focus Sessions

Discover how Live Activities and the Dynamic Island turn your iPhone into an ambient focus companion, keeping time visible without unlocking distraction apps.

Sep 07, 2026 · 6 min readガイドを読む →