Best Free App to Lock Your Phone at Night (2026)

Most app blockers charge a subscription. Opal is $8/month. Freedom is $40/year. One Sec is $5/month. If you just want to lock your phone at bedtime, paying $60-100 per year feels excessive for what should be a simple feature.

The good news: there are genuinely effective free options. Here are the best ones, ranked by how well they actually work at night.

1. SunBreak (iOS) — Best Overall Free Option

SunBreak is completely free with no subscription, no ads, and no in-app purchases. It uses Apple's managed settings framework for hard app blocking (no "Ignore Limit" button), includes sunrise-based unlocking that adapts with the seasons, and offers accountability partners who get notified if you try to cheat. For a deeper comparison with paid alternatives, see our Opal alternatives roundup.

Limitations: iOS only. Focused on bedtime blocking — no daytime focus sessions or all-day screen time analytics.

Why it is free: SunBreak is built by an indie developer who wanted to solve their own bedtime scrolling problem. There is no venture capital funding demanding subscription revenue.

2. iOS Screen Time (Built-In) — Free but Weak

How it works: Go to Settings > Screen Time > Downtime and set a schedule. During Downtime, only apps you whitelist are accessible.

What you get:

• Scheduled app restrictions
• Always-allowed apps list
• Free and built into iOS

Limitations: The "Ignore Limit" button defeats the entire purpose. One tap and the restriction vanishes. You can set a passcode, but since you set it yourself, you know it. Effective for about 2% of people who try it.

Best for: People with moderate self-control who just need a visual nudge. If you are reading this article, Screen Time probably already failed you.

3. Android Digital Wellbeing (Built-In) — Free but Weak

How it works: Settings > Digital Wellbeing > Bedtime Mode. Dims the screen, enables Do Not Disturb, and can enable grayscale mode on a schedule.

What you get:

• Scheduled grayscale and DND
• App usage reminders
• Free and built into Android

Limitations: Does not actually block apps. Grayscale and DND make your phone less appealing but you can still open everything. "Focus Mode" can pause specific apps, but it is easy to override.

Best for: Android users who want light friction. Not effective for serious bedtime scrolling habits.

4. AppBlock (Android) — Free Tier Available

How it works: Schedule profiles that block selected apps during set times. The free tier covers basic scheduling.

What you get for free:

• Scheduled app blocking
• Basic profiles
• Quick block feature

Limitations: Free tier is limited — advanced scheduling, usage tracking, and strict mode require premium ($5/month). The free version is a good starting point but you will likely hit the paywall.

The Cost of "Free" Paid Apps

Some apps offer free trials or limited free tiers, but the free experience is too restricted to be useful:

• Opal: Free tier does not include Deep Focus (the only mode that is hard to bypass). Basically useless for bedtime without premium.
• Freedom: Free tier gives you 7 sessions total, ever. Not 7 per month — 7 forever. After that, $40/year.
• One Sec: Free tier limits to 3 apps. If you use more than 3 distracting apps at night (most people do), you need premium.

Our Recommendation

If you are on iOS and want a free bedtime blocker, SunBreak is the clear choice. For a full comparison of all the options (free and paid), check out our roundup of the best apps to block your phone at night.

If you are on Android, your best free option is combining Digital Wellbeing's Bedtime Mode (for grayscale and DND) with AppBlock's free tier (for basic app blocking). It is not as polished as a dedicated solution, but it is free and covers the basics.

The most expensive app blocker is the one you do not use because you cancelled the subscription. A free tool you actually keep running every night will always outperform a paid tool you uninstall after the trial ends. Once you have your blocker set up, learn how to lock your phone at bedtime for the most effective results.

Frequently Asked Questions

Is there a completely free app to block your phone at night?

Yes. SunBreak is 100% free with no subscription, no ads, and no in-app purchases. It offers hard app blocking, accountability partners, and a wind-down routine at no cost. iOS Screen Time and Android Digital Wellbeing are also free but much easier to bypass.

Why do most app blockers charge a subscription?

Most app blockers are built by venture-funded companies that need recurring revenue to sustain their business model. Features like analytics dashboards, cross-device syncing, and all-day focus modes add complexity that justifies the price — but if you only need bedtime blocking, you are paying for features you do not use.

Can I lock my phone at night without downloading an app?

Yes, using iOS Screen Time or Android Digital Wellbeing. The downside is that both are very easy to bypass with a single tap, which makes them ineffective for most people who struggle with bedtime scrolling.

What is the difference between app blocking and screen time limits?

Screen time limits set a daily usage cap and notify you when you reach it, but you can dismiss the notification and keep using the app. App blocking fully prevents access to selected apps during a set window — you cannot open them at all, regardless of how much time you have left.