Comparison

Lockdown vs Call Shield

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lockdown

Features
Read full description

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!

About

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.

Highlights
  • Block unwanted calls
  • Block number ranges (prefixes)
  • Offline functionality
  • No login required
  • Local device blocklist
  • Supports millions of blocked numbers
Read full description

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

Lockdown4 screens
Call Shield4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

Lockdown ships an update monthly, Call Shield fortnightly. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Lockdown versus Call Shield: the parameters behind the verdict, then further details
ParameterLockdownCall Shield
PriceFree — better$1.99
Rating1.0 (1 ratings) — better
Positive reviews0.0% of reviews
Number of ratings1 — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size7 MB35 MB
Age rating4+4+
DeveloperSamson Terer磊 汪

In-app purchases

3 purchases

Lockdown

Subscriptions2
  • Weekly Premium3 Months trial$2.997 Days
  • Annual Premium$39.991 Year
One-time1
  • Lifetime offer$0.99
None

Call Shield

No in-app purchases

Questions

Is Lockdown free?
Lockdown is free to download, with in-app purchases available.
Is Call Shield free?
Call Shield costs $1.99, with no in-app purchases.
Do Lockdown or Call Shield have ads?
Neither Lockdown nor Call Shield shows ads.
Which is updated more often, Lockdown or Call Shield?
Lockdown ships an update monthly, and Call Shield fortnightly. Most recently, Lockdown was updated on September 10, 2026 and Call Shield on September 20, 2026.

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