Optimal Authenticator vs Logic Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Optimal Authenticator
This app provides a secure way to verify your identity for accessing other applications. It uses two-factor authentication via push notifications or verification codes, and allows organizations to register trusted devices for sign-in requests.
- Two-factor authentication
- Push notification verification
- On-app verification codes
- Trusted device registration
- Secure identity verification
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With the Optimal Authenticator, quickly and securely verify your identity for access to all of your applications. Authentication features include: Two-factor authentication: Two-factor authentication provides an extra layer of security to your account. When signing in, after entering your password, you'll be asked to provide additional verification via the app. A push notification is sent to your mobile device to alert you of a pending two-factor verification request. Simply tap on the notification to launch the app and tap Approve to complete the verification. Alternatively, you may be prompted to enter the verification code displayed in the app. Device registration: By registering your device through the app, organizations can verify that the sign-in request is coming from a trusted device.
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)
Screenshots
Verdict
The clearest difference is rating: Logic Lock at 3.7 against Optimal Authenticator's 3.0. Logic Lock also leads on update cadence (every 3 weeks vs every 3 months). On price, review sentiment, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
Logic Lock holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
Optimal Authenticator ships an update every 3 months, Logic Lock every 3 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.
| Parameter | Optimal Authenticator | Logic Lock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) | 3.7 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 14.1 — better |
| Further details — not scored | ||
| Size | 80 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Optimal IdM | Living Logical, LLC |
Customer experience
Optimal Authenticator
Logic Lock
In-app purchases
Optimal Authenticator
No in-app purchases
Logic Lock
No in-app purchases
Questions
Is Optimal Authenticator free?
Is Logic Lock free?
Which has better reviews, Optimal Authenticator or Logic Lock?
Do Optimal Authenticator or Logic Lock have ads?
Which is updated more often, Optimal Authenticator or Logic Lock?
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