There are now over 40 app blockers in the App Store. Most are repackaged Screen Time wrappers with bigger price tags. A few do something genuinely useful. We tested seven of them, daily, for two months, and ranked them honestly, including our own.
The methodology
- Bypass rate: how often we got around the block when we wanted to.
- Adherence: did we still use it after 30 days, or did it gather dust?
- Battery impact: measured via iOS Settings > Battery.
- Cost-to-effect ratio: dollars per minute of screen time saved per day.
We didn't accept sponsorships. Hopopop is our app, and we ranked it where it actually placed.
The ranking
| App | Best for | Price | Bypass difficulty |
|---|---|---|---|
| Hopopop | People who tried everything and gave up | 4.99 €/mo | Hard (cognitive challenge) |
| Opal | Aesthetic minimalists | 9.99 $/mo | Medium |
| Freedom | Cross-device blocking | 8.99 $/mo | Medium |
| iOS Screen Time | Anyone (it's free) | Free | Very easy |
| Cold Turkey | Hardcore deep-work crowd | One-time fee | Hard (nuclear) |
| Focusly | Pomodoro sessions | 4.99 $/mo | Easy |
| BlockSite | Casual users | 3.99 $/mo | Very easy |
1. Hopopop, the cognitive friction approach
Opening a blocked app requires solving a quick math problem or trivia question. There's no skip button. If you get the trivia wrong, an AI-generated explanation appears, then you continue.
The cognitive shift breaks autopilot scrolling more reliably than time-based blockers. Adherence after 30 days was significantly higher than the others.
2. Opal, the design-first option
Prettiest UI of the bunch. Pro plan unlocks scheduled blocking. Bypass mechanic (cooldown timer) felt skippable in moments of weakness.
3. Freedom, the cross-device veteran
The only major blocker that works simultaneously across iOS, Android, Mac and Windows. If you context-switch between phone and laptop, this is the right tool.
4. iOS Screen Time
It's free. Works at the OS level. Has a "tap to ignore the limit" button that makes it functionally useless for most people.
5. Cold Turkey, the nuclear option
Lets you set blocks that cannot be bypassed until the timer runs out. Deleting the app does not lift the block. Too intense for most people.
6. Focusly
Built around 25-minute Pomodoro sessions. Reasonable if you already love Pomodoro. Weaker as a general blocker.
7. BlockSite
Mostly a Chrome extension with a mobile companion. Solid for blocking websites, fine for apps, easy to bypass.
How to choose
- Tried 2+ blockers and given up? Try cognitive friction (Hopopop).
- Need phone + laptop? Freedom.
- Unbreakable deep-work session? Cold Turkey.
- Free and disciplined? Native Screen Time.
No app fixes phone use if you're determined to bypass it. What an app can do is insert a decision point. Pick one. Use it for two weeks. Don't optimize tools, optimize use.
Try Hopopop on your phone.
The blocker that works your brain. Available on iOS and Android.