Lockdown vs Call Shield
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lockdown
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Secure your private photos, messages, and documents with password-protected PDFs. Privacy-focused, no cloud, no account needed. Hesitant to share sensitive content? Use Lock Photos to protect with a password for secure sharing. Convert photos files into encrypted, non-editable, non-printable PDFs with just a few taps. KEY FEATURES: :: Photo Protection: Secure multiple photos into an encrypted PDF—perfect for ID photo or passport photo storage. :: Screenshot Security: Encrypt your screenshots instantly and keep them safe in your smart vault. :: Document Scanner: Scan and secure documents instantly, making it ideal for 2x2 photo and ID storage. :: Encrypted Messaging: Protect messages and notes with a password safe PDF lock. :: PDF Protection: Add passwords to existing PDF files, ensuring security plus. :: Smart Organization: Keep files neatly arranged in custom folders like a photo manager. PRIVACY FIRST: :: No cloud storage - everything stays on your device, ensuring data app security. :: No account required - enjoy secure storage with one password per file. :: No data collection - we prioritize smart data protection. :: Your content, your control - store important files like imemories securely. EASY TO USE: :: Select content to protect - from your photo manager, screenshots, scanned documents, or text messages. :: Set a unique secure lock password for each file. :: Secure sharing - only those with the password can view. Note: Each lock has its own password. Remember your passwords, as they are essential to access your locked files. PERFECT FOR: :: Secret messages in a talkie format :: Sensitive family sharing of private photos :: Secure business documents & next up project files :: Confidential information that requires margin edge security :: Hassle-free share app functionality for encrypted files Take control of your privacy now. Convert, protect, and share securely with Lock & Share. Download and secure your digital life today!
Call Shield
Take control of your incoming calls with this app. It blocks unwanted callers, including robocallers and telemarketers, using a secure, local blocklist that operates entirely on your device. Enjoy privacy protection with offline functionality and no required login.
- Block unwanted calls
- Block number ranges (prefixes)
- Offline functionality
- No login required
- Local device blocklist
- Supports millions of blocked numbers
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Call Shield: Block Unwanted Calls and Safeguard Your Privacy Take control of incoming calls with Call Shield — a powerful utility that blocks robocallers, telemarketers, and unwanted numbers using custom blocklists that operate entirely on your device. Please Note: Call Shield is a custom rule and list manager. It does NOT include a pre-packaged spam database or built-in caller directory. You create, import, and manage your own custom blocklists and number ranges. Key Features: - Block & Identify Unwanted Calls: Add specific numbers or entire number ranges (prefixes) to block or identify callers. Supports up to 200 million numbers across multiple extensions. - 100% Offline & Private: Fully offline operation. No login required, and no data is transmitted — your privacy stays completely protected. - Flexible Custom Lists: Easily create, import, and manage your own custom blocklists and identification ranges. Important Notes: - No Pre-packaged Database: Call Shield does not provide a pre-installed spam database; you need to add your own numbers, prefixes, or lists. - Voicemail Handling: Blocked calls may still be forwarded to voicemail, depending on your mobile carrier’s policies. - Do Not Disturb Mode: If Do Not Disturb mode is active, blocked calls may still appear silently on your Home screen or in Recents. - Extension Setup: If Call Shield extensions don't appear immediately after updating rules, open Settings > Phone > Call Blocking & Identification to verify they are enabled. Privacy Policy: Call Shield does not collect, store, or transmit any personal data or call history. All blocking is handled locally on your device.
Screenshots
Verdict
The clearest difference is price: Lockdown at Free against Call Shield's $1.99. Call Shield's advantage is in-app purchases (none vs 3) and update cadence (fortnightly vs monthly). On 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
Lockdown is free to download; Call Shield costs $1.99 up front. Lockdown sells 3 in-app purchases, starting at $2.99 per 7 days. Call Shield asks for nothing beyond the download.
Lockdown ships an update monthly, Call Shield fortnightly. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.
| Parameter | Lockdown | Call Shield |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Paid |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Samson Terer | 磊 汪 |
In-app purchases
Lockdown
- Weekly Premium3 Months trial$2.997 Days
- Annual Premium$39.991 Year
- Lifetime offer$0.99
Call Shield
No in-app purchases









