Focus Lock vs MustSleep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Focus Lock
This app helps you regain control of your screen time by blocking distracting applications instantly, on a schedule, or when you reach a daily usage limit. It offers privacy-focused features and can be disguised as a calculator for discreet use.
- Instant app blocking
- Scheduled app locking
- Daily usage limits
- Passcode protection
- App download/deletion blocking
- Disguise as calculator
- Motivational quotes on lock screen
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One tap to lock. Zero data collected. Your focus, your rules. FocusLock puts you back in control. Lock distracting apps instantly, on a schedule, or when you hit your daily limit. Once locked, those apps show a motivational quote — not a feed. BUILT FOR REAL LIFE Lock What You Want, When You Want - Instant Lock: tap to block any app immediately - Scheduled Lock: auto-lock during work, study, or bedtime - Usage Limit Lock: set a daily cap, it locks when you hit it Nobody Gets Past It - Passcode-protect FocusLock so kids (or you) can't disable it - Block app downloads, app deletions, and in-app purchases - Shake or flip your phone for emergency exit Hide in Plain Sight - Disguise FocusLock as a calculator app — nobody will guess - The lock screen shows inspiring quotes, not your blocked apps PRIVACY THAT MEANS IT Everything runs on your device. No accounts. No servers. No analytics. We don't collect your app usage data because we literally can't. Built on Apple's Screen Time API for system-level blocking that actually works. SUBSCRIPTION Free to download. Premium features unlock with a 1-week, 1-month, or 1-year auto-renewable subscription. Manage or cancel anytime in your Apple ID settings. Download FocusLock. Lock the scroll. Find your focus. Privacy Policy: https://burritostudio.net/privacy.html Terms of Service: https://burritostudio.net/terms.html
MustSleep
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MustSleep is a bedtime self-control tool that helps you reduce late-night phone use. Choose the apps that distract you most, set your bedtime, wake time, and repeat days. When the schedule starts, MustSleep uses iOS Screen Time capabilities to lock the apps you selected, helping you keep bedtime reserved for sleep. Key features: - Create weekly sleep plans - Choose which apps to restrict - Automatically lock selected apps on schedule - Automatically unlock after wake time - Hard Mode: plans cannot be turned off, deleted, or edited inside MustSleep during lock time - View sleep records and usage stats - Supports English, Chinese, and system language MustSleep is designed for user-initiated self-restriction. It is not used to monitor others. Your plans, records, and app selections stay on your device, and detailed app usage data is not uploaded. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Focus Lock at every 9 days against MustSleep's every 4 months. MustSleep's advantage is iOS requirement (16.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Focus Lock sells 3 in-app purchases, starting at $3.99 per 7 days and MustSleep sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Focus Lock ships an update every 9 days, MustSleep every 4 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | Focus Lock | MustSleep |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 | 16.0 — better |
| Further details — not scored | ||
| Size | 101 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tianfu New Area, Chengdu, Huayang, Burrito Software Development Studio | 有伟 董 |
In-app purchases
Focus Lock
- 1 Week Premium Membership$3.997 Days
- 1 Month Premium Membership$6.991 Month
- 1 Year Premium Membership3 Days trial$19.991 Year
MustSleep
- Premium Monthly$4.991 Month
- Premium Yearly$29.991 Year
