Best Free App Blocker for Android (2026)

"Free" does a lot of work in this category. Some apps mean free forever, some mean free until the feature that would actually help you, and one of them is already installed on your phone.

Here is what each one really gives away, checked against Google Play on 31 August 2026.

Start with the one you already paid for

Digital Wellbeing is made by Google and preinstalled on most Android phones, reachable through Settings rather than as an app you open. Google's documentation says "on some phones" and warns that steps vary by manufacturer, so check yours. It costs nothing and gives you:

• App timers. A daily limit per app.
• App limits PIN. A 4-digit PIN so those limits cannot be changed on impulse.
• Focus mode. Pause a chosen set of apps, optionally on a schedule.
• Bedtime mode. Greyscale plus silenced notifications on a schedule.
• Chrome website limits. Daily caps per site.

Most write-ups miss the PIN, and it changes the maths. Google's own tip is to set an app's limit to zero with the PIN turned on, which blocks that app outright. That is a genuine free lock most Android users never discover.

Its real limit is that the PIN is yours, so you can always enter it, and that every control is time-based rather than tied to anything you accomplish. Its Play rating is 3.6 stars across roughly 1.47 million reviews, the lowest of any app here, though a preinstalled system app collects complaints for reasons unrelated to app timers.

ScreenZen: free with no asterisk

Roughly 31,600 Play reviews, donation supported, no paid tier at all. Nothing is held back, which makes it the cleanest recommendation on this page.

It works by friction rather than force: a pause and an intention prompt before a chosen app opens. That is often enough to interrupt the automatic reach, which is what most people actually need.

The catch: the pause is dismissible by design. If you already tap through interruptions without registering them, ScreenZen will not change anything, and no amount of configuration fixes that.

AppBlock, StayFree and Forest: free tiers with edges

AppBlock (~238,000 reviews, 4.7 stars) has a usable free tier, but the features people install it for tend to sit in Premium. Reviews on Play are candid about this, including one complaining that a simple pause button is paywalled. There is a lifetime purchase as well as a subscription, which is worth knowing if recurring charges are the objection.

StayFree (~276,000 reviews) is free to use and states it is ad-free. Its tracking is genuinely good. Two things to weigh: the listing says the app is by Sensor Tower, an analytics company, and the data safety panel discloses sharing app info with third parties. Several recent reviews also report blocking being unreliable.

Forest (~812,000 reviews) is free with ads on Android. Delightful, gentle, and not built to stop a determined scroll.

Habit Doom's free tier

Ours, so judge it accordingly. The free tier is:

• 3 habits
• Real app blocking, not a trial
• Streaks
• Anti-Cheat photo verification, which runs an on-device model so a check-in cannot be faked
• No ads

Anti-Cheat is free for everyone rather than a paid feature, which is unusual enough to be worth stating plainly. Pro raises the habit cap and adds Hard Mode and analytics at $4.99/month, $19.99/year with a 7-day free trial, or $29.99 once.

The mechanism differs from everything above. Rather than a timer you set or a pause you can dismiss, apps stay locked until your habits are done. The unlock is earned rather than decided, which matters because the deciding happens at the worst possible moment.

Android caveats: Block Adult Sites is iPhone only, custom alarms are notifications on Android, and it needs Android 10 or newer.

What "free" cannot buy on Android

Worth being direct, because it applies to every option here including the paid ones.

Android blocking runs on an Accessibility Service you grant in Settings and can revoke in Settings. There is no Android counterpart to Apple's ManagedSettings layer, which is what allows an iPhone blocker to survive a force-quit.

So paying does not buy you a stronger lock. It buys configuration, convenience, and sometimes support. If an Android app advertises tamper-proof blocking, it is describing something the platform does not currently permit.

Picking

Never tried anything. Digital Wellbeing. Free, installed, one week.

Want free forever with no upsell. ScreenZen.

Want depth and will configure it once. AppBlock's free tier, upgrade only if you hit a wall.

Want to see the data first. StayFree, with the Sensor Tower note in mind.

Need help starting rather than stopping. Forest.

Have already installed and disabled two of these. The pattern is the switch, not your willpower. Tying access to finished habits is the version that does not offer one.

Free is the right place to start in this category. The paid upgrade worth making is the one that changes the mechanism, not the one that unlocks a button.