App Lock vs LUME Auth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
App Lock
Secure your sensitive applications and personal data with this privacy tool. Easily lock any app to prevent unauthorized access and keep your information out of sight from prying eyes. Enjoy enhanced device security and peace of mind.
- Lock any application
- Hide sensitive apps
- Block websites
- Intuitive interface
- Prevent unauthorized access
- Enhance device privacy
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App Lock is a privacy app designed to help keep your sensitive apps private and secure on your device. With App Lock, you can easily block any app you want, ensuring that you remain private and out of sight from prying eyes. The app features an intuitive and user-friendly interface that allows you to quickly and easily select the apps you want to lock. Once an app has been locked, nobody will be able to access your private data. App Lock is the perfect solution for anyone looking to ensure more privacy and security on your device. * In order to use App Lock you need to purchase the Lilucat Pro which is an annual service that costs 29.99$. Payment will be charged to iTunes Account at confirmation of purchase and auto-renews at the same price unless disabled in iTunes Account Settings at least 24 hours before the end of the current period. Your subscription can be managed in your iTunes Account Settings. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Links Terms of Service: https://applock.lilucat.com/legal/terms Privacy: https://applock.lilucat.com/legal/privacy
LUME Auth
Secure your digital life with an all-in-one app that combines multi-factor authentication, password management, and encrypted messaging. Access all your sensitive data using only your face, with no master password or PIN required.
- Face-locked multi-factor authentication
- AES-256 encrypted password manager
- End-to-end encrypted messaging
- Offline functionality for vault and MFA
- Post-quantum resistant encryption
- Secure password generator
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LUME is an all-in-one security application, offering TOTP/MFA authenticator, password management, and end-to-end encrypted messaging features — only your face decrypts and reveals sensitive data. No biometrics stored No master password. No PIN. --- MFA Authenticator --- TOTP tokens (RFC 6238) managed alongside stored credentials — no separate authenticator app required. Codes are generated locally with no cloud dependency. --- Password Manager --- AES-256 encrypted credential storage with support for username, URL, password, and notes per entry. A built-in cryptographically secure password generator produces high-entropy credentials on demand. --- End-to-End Encrypted Chat --- All messages are end-to-end encrypted in transit and at rest. A tap-to-reveal mode blurs incoming messages until explicitly unlocked, preventing passive exposure. Face authentication is required to enter any chat session. -- Key Specifications -- - Credential encryption: AES-256 - MFA standard: TOTP (RFC 6238) - Key derivation: SensePrint — face-derived, runtime-only, never stored - Post-quantum resistant encryption (NIST PQC standards) - Biometric data: never stored, never transmitted - Messaging: End-to-end encrypted - Architecture: Local-first; vault and MFA function fully offline
Screenshots
Verdict
The clearest difference is rating: LUME Auth at 5.0 against App Lock's 4.5. LUME Auth also leads on in-app purchases (none vs 7) and ads (none vs shown). App Lock's advantage is ratings volume (5.2K vs 1). On price, device support and iOS requirement 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. App Lock sells 6 in-app purchases, starting at $4.99 per month. LUME Auth asks for nothing beyond the download.
LUME Auth holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: App Lock has 5.2K ratings behind it against 1, so its average is the more settled of the two.
App Lock ships an update fortnightly, LUME Auth every 4 days. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.
| Parameter | App Lock | LUME Auth |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (5.2K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 57.9% of reviews | — |
| Number of ratings | 5.2K — better | 1 |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 43 MB | 164 MB |
| Age rating | 4+ | 4+ |
| Developer | Lilucat | Seventh Sense Artificial Intelligence Private Limited |
Bugs and requests
App Lock
Reported bugs
3 issues- Buttons at the bottom of the screen are inaccessible on some devices
- Prompts are not legible with larger font settings
- Locked apps can still be accessed by restarting the phone
Requested features
4 requests- Allow concealing the app locker
- Add scheduling/time-based locking
- Provide separate unlock code from phone passcode
- Improve usability when Dynamic Island is in use
LUME Auth
Not enough reviews yet to summarise bugs or requests.
In-app purchases
App Lock
- App Lock$4.991 Month
- App Lock3 Days trial$7.997 Days
- App Lock2 variants$9.991 Month
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- App Lock$14.991 Year
- App Locker for iPhone$29.991 Year
- App Lock$59.99
LUME Auth
No in-app purchases









