App Lock vs Delta Shelter
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
Delta Shelter
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Delta Shelter is the ultimate mobile platform for the brothers of Delta Tau Delta, Beta Kappa at University of Colorado Boulder. This app is exclusively designed to keep the fraternity brothers informed, engaged, and connected. With Delta Shelter, you can: Stay up-to-date with the latest fraternity news. Track and add fraternity events to your calendar. View the active roster and get to know your fraternity brothers better. Connect and interact with fellow fraternity brothers, fostering stronger bonds and unity. Whether you're on or off-campus, Delta Shelter brings all the fraternity information you need right to your fingertips. Stay engaged and connected with your Delta Tau Delta, Beta Kappa fraternity brothers like never before. Delta Shelter - Uniting Delta Tau Delta, Beta Kappa brothers in one spot.
Screenshots
Verdict
The clearest difference is in-app purchases: Delta Shelter at none against App Lock's 7. Delta Shelter also leads on ads (none vs shown). On price, update cadence, 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. Delta Shelter asks for nothing beyond the download.
App Lock ships an update fortnightly, Delta Shelter every 8 days. The most recent releases landed on November 12, 2026 and November 3, 2026 respectively.
| Parameter | App Lock | Delta Shelter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (5.3K ratings) — better | — |
| Positive reviews | 57.9% of reviews | — |
| Number of ratings | 5.3K — better | — |
| Update frequency | Fortnightly | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 43 MB | 32 MB |
| Age rating | 4+ | 17+ |
| Developer | Lilucat | Jack Taylor Chindlund |
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
Delta Shelter
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
Delta Shelter
No in-app purchases









