SecureData Lock Admin vs PDF Locker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SecureData Lock Admin
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SecureData Lock BT technology ( by ClevX) allows you to access and control your SecureDrive® BT or SecureUSB® BT from your iOS devices. Authenticate with PIN, FaceID, or TouchID for an added layer of security for your information. Protect Personal and Corporate Data • Lock and unlock your SecureDrive® BT device (flash, HDD/SSD) • Two-factor authentication • Remote wipe • Step away auto-lock • Password recovery, and more “Even beyond lifestyle and convenience, managing the drive using your phone or mobile device may also be the most secure way to do it."--Jon L. Jacobi, PCWorld The SecureDrive® and SecureUSB® BT are designed with full disk, XTS-AES 256-Bit hardware encryption and work with all operating systems (Windows, Mac, Linux, Chrome, etc.) and devices supporting USB mass storage (computer, TV, printer, drone, etc.) No software installation required. The SecureDrive® BT products have won the Red Dot Award for Product Design, CES “Innovation Award Honoree,” and PCWorld Editor’s Choice. Note: This app requires the purchase of a SecureDrive® BT or SecureUSB® BT from www.securedrive.com. SecureData Lock Admin app by SecureData is based on DataLock® technology licensed from ClevX, LLC. U.S. Patent. www.clevx.com/patents
PDF Locker
Secure your PDF documents with individual passwords or PINs. Share protected files and easily remove passwords when needed. Offers app-level protection using device biometrics or passcodes.
- Save PDF files
- Secure with password/PIN
- Share protected files
- Unlock/remove password
- App protection with biometrics/passcode
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Are you looking for an app to save and secure your PDF files with a password? Then PDF Locker is here for you. With this app, you can: - Save your PDF files - Secure them with individual password/PIN - Share the protected file with friends/colleagues - In case you change your mind, you can unlock/remove the password too Updates: - Rename and secure PDF by hiding the identity - Protect your app with the device's biometrics or passcode
Screenshots
Verdict
The clearest difference is update cadence: PDF Locker at every 2 weeks against SecureData Lock Admin's every 2 months. SecureData Lock Admin's advantage is iOS requirement (11.0 vs 15.0). 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. Neither carries in-app purchases, so what you see is what you pay.
SecureData Lock Admin ships an update every 2 months, PDF Locker every 2 weeks. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.
| Parameter | SecureData Lock Admin | PDF Locker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 32 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | SecureData, Inc. | Krishna Raj Salim |
In-app purchases
SecureData Lock Admin
No in-app purchases
PDF Locker
No in-app purchases
Questions
Is SecureData Lock Admin free?
Is PDF Locker free?
Do SecureData Lock Admin or PDF Locker have ads?
Which is updated more often, SecureData Lock Admin or PDF Locker?
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