Free Alternative to Opal for Android — PullBack
Opal costs $99+/year. PullBack is free for 4 apps. Compare schedule blocks vs mid-session auto-close.
The Comparison Table
| Feature | Opal | PullBack |
|---|---|---|
| Price | $99.99/year (Pro) | Free for 4 apps |
| Blocking model | Scheduled blocklist | Timer-based auto-close |
| Platform | iOS, Mac, limited Android | Android only |
| When it intervenes | Before you open (scheduled) | After you've opened (mid-session) |
| Best for | Scheduled deep work | Phone addiction / doomscrolling |
How Opal Works (and Who It's For)
Opal is a schedule-based blocker. You create sessions — "Focus from 9 AM to 12 PM" — and Opal locks the apps on your blocklist during those hours. It is elegant, well-designed, and works across iOS and Mac.
The model is pre-emptive blocking: you decide in advance when you will be allowed to use distracting apps, and Opal enforces that decision. It works beautifully for scheduled deep-work sessions.
The weakness? Opal does not help with unplanned scrolling. If you finish your scheduled block at 5 PM and immediately open Instagram "for five minutes," Opal has already clocked out. The binge happens in the gaps between sessions.
How PullBack Works (and Who It's For)
PullBack takes the opposite timing. Instead of blocking you from opening Instagram, we let you open it — then auto-close it after the timer you set expires. You do not fight the impulse to open the app; you fight the impulse to keep scrolling. That is a fundamentally different psychological battle, and for many people it is the easier one.
The mechanism is the mid-session interrupt. A 2023 PNAS study by Löchner et al. found that giving users an easy exit-option mid-session reduced app openings 57% over six weeks. The active ingredient was the bail-out option itself. PullBack applies that same exit-option psychology, but automated: the timer expires, the app closes, you are out.
PullBack is Android-only. If your problem is desktop distraction during work hours, Opal covers that. If your problem is the 11 PM Instagram rabbit hole on your phone, PullBack is purpose-built for that.
When Opal Wins
- You want scheduled deep-work blocks.
- You use Mac and iOS and want cross-device sync.
- You prefer pre-emptive blocking to mid-session closure.
- You are willing to pay for polish and design.
When PullBack Is the Better Fit
- You want a free tier with no paywall.
- You are on Android.
- You open apps "just for a minute" and lose an hour.
- You prefer a one-time timer setup to daily scheduling.
Still Deciding?
If Opal covers your use case — scheduled blocks across Apple devices — it is a solid choice. If your problem is the unplanned phone binge that happens between scheduled blocks, PullBack closes that gap. And it is free.
Download PullBack free on Google Play →Android 9.0+ · No ads · No tracking