Logic Lock vs Screen Light App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Logic Lock
Securely manage all your online credentials with this password manager. It generates strong, unique passwords for every site and offers autofill capabilities. Share passwords securely via QR codes and keep your data encrypted with biometric protection.
- Unlimited strong password generation
- Biometric data encryption
- Browser autofill
- Secure QR code sharing
- iCloud device sync
- Master key verification
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Simplify and secure your data life with Logic Lock! Create unlimited strong and unique passwords for every site and never reuse a password again. Easily fill usernames and passwords directly in the browser and sync your data across all your iCloud devices. Securely share one or more of your passwords with family and friends via QR codes. Secure by design, Logic Logic is unique and NEVER stores any of your passwords. It uses metadata fully encrypted and protected with biometrics. This design means no subscriptions and all data (including the metadata) is fully in your control, ALWAYS. With the new Sanity Assistant feature, you can verify your master key was entered correctly. === FREE Features === ◆ Secure by design ◆ NEVER stores any of your passwords - EVER ◆ Create unlimited number of passwords ◆ Data is fully encrypted and secured with biometrics ◆ Fill usernames and passwords directly in the browser ◆ Sync across all your iCloud devices ◆ Import and export your data ◆ Share passwords via QR Code ◆ Verify your master key via Sanity Assistant ◆ No subscriptions! === Upcoming Features === ◆ Password pattern configuration ◆ Character set configuration (replaces 'character mode' feature)
Screen Light App
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ScreenLight is a simple app that lets you use your iPhone screen as a light. It displays a single color across the entire screen, with intuitive controls for brightness and color. There are no ads, and the app is completely free to use.
Screenshots
Verdict
The clearest difference is in-app purchases: Logic Lock at none against Screen Light App's 3. Logic Lock also leads on device support (4 vs 2) and iOS requirement (14.1 vs 18.0). On price, update cadence and ads 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. Screen Light App sells 3 one-off in-app purchases. Logic Lock asks for nothing beyond the download.
Logic Lock ships an update every 3 weeks, Screen Light App fortnightly. The most recent releases landed on September 8, 2026 and October 1, 2026 respectively.
| Parameter | Logic Lock | Screen Light App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 14.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Living Logical, LLC | Rikuto Kumada |
In-app purchases
Logic Lock
No in-app purchases
Screen Light App
- Buy me a coffee$0.99
- Cake set$2.99
- Dinner$5.99
Questions
Is Logic Lock free?
Is Screen Light App free?
Do Logic Lock or Screen Light App have ads?
Which is updated more often, Logic Lock or Screen Light App?
Other comparisons
