Control Mark vs PDF Locker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Control Mark
Create quick access shortcuts to your favorite websites. Add any webpage and place these shortcuts on your lockscreen, as action buttons, or as Control Center widgets for instant access.
- Add any webpage as a shortcut
- Share sheet extension for easy adding
- Customizable shortcut symbols
- Lockscreen quick actions
- Control Center widget integration
- Action Button support
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Control Mark lets you create quick access shortcuts to your favorite websites. Add any website in the Control Mark or while browsing using the Add Page to Control Mark action. You can then place your favorite websites on your lockscreen as quick action button, as action for the Action Button, or as Control Center Widget. Features: - Add any webpage as Control Mark - Action Extension for the Share sheet to add a Control Mark directly from the browser - Choose an individual symbol for the Control Mark - Add Control Marks to your lockscreen as quick action, to the Control Center, or the Action Button
PDF Locker
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PDF WOLF lets you add password protection to any PDF, directly on your device. No cloud uploads. No accounts. No servers involved. Your files stay private from start to finish. HOW IT WORKS Import any PDF from Files, iCloud Drive, or any app on your device. Choose to generate a cryptographically strong random password automatically, or enter your own. PDF WOLF applies industry-standard PDF encryption on-device, then verifies the result before presenting it to you. Once protection is complete, you can preview the result. Saving the protected PDF to Files or sharing it directly requires a Pro plan. WHAT YOU GET — Import any PDF from Files or iCloud Drive — Generate a strong random password with one tap — Enter and confirm your own password manually — On-device encryption — your PDF never leaves your iPhone or iPad — Verification step confirms encryption worked before you save — Password vault: all passwords stored securely in your device's Keychain — Reveal, copy, or reference any saved password from the Passwords tab — Protection history with thumbnail previews of past protected files — Save protected PDFs directly to Files (Pro) — Share protected PDFs via AirDrop, Mail, Messages and more (Pro) PRIVACY FIRST PDF WOLF uses no analytics, no tracking, and no advertising SDKs. It communicates only with Apple's App Store to process purchases. Everything else happens entirely on your device. PRO PLAN A Pro plan (Weekly or Lifetime) unlocks the ability to save protected PDFs to the Files app and share them via the iOS share sheet. The protection process itself can be experienced before purchasing — Pro gates only the final file delivery. Passwords are stored in your device's Keychain, the same secure storage used by banks and password managers. PDF WOLF never sees or stores your passwords on any server. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://1kbapps.com/pdfwolf/
Screenshots
Verdict
The clearest difference is price: PDF Locker at Free against Control Mark's $0.99. Control Mark's advantage is in-app purchases (none vs 3). On update cadence, ads, 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
PDF Locker is free to download; Control Mark costs $0.99 up front. PDF Locker sells 3 in-app purchases, starting at $4.99 per 7 days. Control Mark asks for nothing beyond the download.
Control Mark ships an update every 3 months, PDF Locker every 5 months. The most recent releases landed on September 22, 2026 and August 25, 2026 respectively.
| Parameter | Control Mark | PDF Locker |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Arno Appenzeller | Vikram Singh |
In-app purchases
Control Mark
No in-app purchases
PDF Locker
- Mobile Pro Access Weekly$4.997 Days
- Mobile Pro Access Yearly$19.991 Year
- Pro Lifetime Unlock$19.99
Questions
Is Control Mark free?
Is PDF Locker free?
Do Control Mark or PDF Locker have ads?
Which is updated more often, Control Mark or PDF Locker?
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