Comparison

Lockdown vs Digital Building Twin

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

Digital Building Twin

Create precise 3D models of your rooms using LiDAR technology and manage all property documents centrally. This app offers solutions for homeowners, landlords, and real estate professionals, revolutionizing property documentation and management.

Highlights
  • 3D room capture with LiDAR
  • Automatic 2D floor plan creation
  • Centralized digital property file
  • Project management by building and floor
  • Direct contact with craftsman services
  • Export in professional formats (USDZ, DXF, IFC, JSON)
Features
Read full description

Your complete property management in one app. The ultimate solution for homeowners, landlords, and real estate professionals. The digital property file revolutionizes the way you document and manage your property. Using state-of-the-art LiDAR technology, you can create precise 3D models of your rooms and manage all important documents centrally in one place. Core Features: 3D Room Capture with LiDAR Professional 3D scans with iPhone/iPad LiDAR sensors Automatic creation of 2D floor plans Export in professional formats (USDZ, DXF, IFC, JSON) Compatible with CAD software and BIM tools Digital Property File: Central management of all property documents Invoices, energy certificates, insurance Photos and notes for each floor Chronological documentation of renovations Project Management: Organization by buildings and floors From the basement to the 5th floor Automatic area calculation Time-based documentation Craftsman Services: Direct contact with specialist companies Electrical, plumbing, heating, and more Structured inquiry process Status tracking of your orders Homeowners & Property Owners: Complete documentation of your property Value retention through systematic maintenance Sales preparation with professional documents Landlords & Property Managers: Property management with 3D visualization Tenant handovers with detailed documentation Quick damage documentation Real Estate Professionals & Agents: Impressive presentations with 3D models Professional floor plans and exposés Efficient customer consulting Export Options: USDZ for AR views DXF for CAD programs IFC for BIM software JSON for developers PDF reports No subscription or account required. Download now and scan forever.

Screenshots

Lockdown4 screens
Digital Building Twin4 screens

Verdict

The call

The clearest difference is price: Lockdown at Free against Digital Building Twin's $12.90. Digital Building Twin's advantage is in-app purchases (none vs 3) and update cadence (every 4 days 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; Digital Building Twin costs $12.90 up front. Lockdown sells 3 in-app purchases, starting at $2.99 per 7 days. Digital Building Twin asks for nothing beyond the download.

UpkeepUpdate frequency

Lockdown ships an update monthly, Digital Building Twin every 4 days. The most recent releases landed on September 10, 2026 and August 7, 2026 respectively.

Scorecard3 real differences · 7 level
Lockdown versus Digital Building Twin: the parameters behind the verdict, then further details
ParameterLockdownDigital Building Twin
PriceFree — better$12.90
Rating2.0 (1 ratings) — better
Positive reviews66.7% of reviews
Number of ratings1 — better
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size7 MB16 MB
Age rating4+17+
DeveloperSamson Tererdrillstars

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

Digital Building Twin

No in-app purchases

Questions

Is Lockdown free?
Lockdown is free to download, with in-app purchases available.
Is Digital Building Twin free?
Digital Building Twin costs $12.90, with no in-app purchases.
Do Lockdown or Digital Building Twin have ads?
Neither Lockdown nor Digital Building Twin shows ads.
Which is updated more often, Lockdown or Digital Building Twin?
Lockdown ships an update monthly, and Digital Building Twin every 4 days. Most recently, Lockdown was updated on September 10, 2026 and Digital Building Twin on August 7, 2026.

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