Comparison

Digital Building Twin vs Null Fasting

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

Head to head
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.

About

Null Fasting

This app helps you track intermittent fasting with flexible protocols, detailed statistics, and motivational tools. It integrates with health platforms and offers personalized goal setting for a healthier lifestyle.

Highlights
  • Flexible fasting protocols (16:8, OMAD, custom)
  • Intelligent tracking with timers and notifications
  • Comprehensive statistics and progress analysis
  • Apple Health integration
  • Milestone tracking and educational content
  • Personalized motivation and goal setting
  • Smart scheduling and reminders
Features
Read full description

Transform your health journey with Null, the intelligent fasting companion that makes intermittent fasting simple, insightful, and rewarding. Null is a comprehensive intermittent fasting tracker designed to support your fasting goals with powerful tracking features, detailed statistics, and motivational tools. Whether you're new to fasting or a seasoned practitioner, Null provides everything you need to establish and maintain a successful fasting routine. Key Features: FLEXIBLE FASTING PROTOCOLS Track popular fasting methods including 16:8, 18:6, 20:4, OMAD, and more Create custom fasting durations tailored to your specific needs Choose between countdown or count-up timers based on your preference Schedule recurring fasts to automate your fasting routine INTELLIGENT TRACKING Monitor your active fast with precise timers and progress indicators Receive notifications for fasting milestones and achievements Pause and resume functionality for real-world flexibility Smart time zone handling ensures accurate tracking while traveling COMPREHENSIVE STATISTICS View detailed insights about your fasting history and patterns Track completion rates, average durations, and consistency scores Analyze weekly, monthly, quarterly, or yearly fasting data Compare performance between time periods to measure progress HEALTH INTEGRATION Sync your fasting data with Apple Health (optional) Track weight changes and correlate them with your fasting habits Monitor water intake during fasting periods Connect fasting metrics with other health data for a holistic view MILESTONE TRACKING Learn about physical benefits as you reach fasting milestones Track autophagy, ketosis, and other fasting-related biological processes See your progress visualized through informative timeline indicators Understand the science behind intermittent fasting as you progress PERSONALIZED MOTIVATION Earn awards and achievements as you build consistency Track and celebrate fasting streaks with visual celebrations Set and achieve custom goals tailored to your health journey Choose your preferred motivational style from friendly to humorously snarky SMART SCHEDULING Create recurring fasting schedules that fit your lifestyle Receive reminders when it's time to start your next fast Add exception dates for special occasions without breaking your routine Get notified when your scheduled fasts are coming up BEAUTIFUL INTERFACE Clean, intuitive design that makes tracking your fasts effortless Multiple theme options to personalize your experience Dark mode support for comfortable nighttime use Straightforward data visualization that clearly shows your progress GOAL-BASED APPROACH Set personalized fasting goals based on total fasts, hours, or consistency Track progress toward your goals with visual indicators Celebrate when you reach important milestones Create new challenges as you master your fasting practice Null goes beyond basic fasting timers by providing educational content about the physiological changes happening during your fast. Learn about fat burning, ketosis, autophagy, and cellular regeneration as you reach key milestones in your fasting journey. Your privacy matters to us. All data is stored locally on your device, with optional, secure Apple Health integration. No account creation required. Whether you're fasting for weight management, metabolic health, longevity, or spiritual practice, Null provides the tools you need to succeed. Start your fasting journey today with the support of an app that understands the science and challenges of intermittent fasting. Download Null now and transform your relationship with food, time, and health! Note: This app is designed as a tool to support intermittent fasting practices. Please consult with your healthcare provider before starting any fasting regimen, especially if you have existing health conditions or concerns.

Screenshots

Digital Building Twin4 screens
Null Fasting4 screens

Verdict

The call

The clearest difference is price: Null Fasting at Free against Digital Building Twin's $12.90. Null Fasting also leads on rating (4.5 vs 2.0) and review sentiment (100% vs 67%). On ratings volume, update cadence, ads and in-app purchases 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

Null Fasting is free to download; Digital Building Twin costs $12.90 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Null Fasting holds the better App Store score, 4.5 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 67% of Digital Building Twin's written reviews are positive against 100% of Null Fasting's.

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
Digital Building Twin versus Null Fasting: the parameters behind the verdict, then further details
ParameterDigital Building TwinNull Fasting
Price$12.90Free — better
Rating2.0 (1 ratings)4.5 (2 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings12 — better
Update frequencyEvery 4 days — betterWeekly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better17.6
Further details — not scored
Size16 MB21 MB
Age rating17+4+
DeveloperdrillstarsYMMV

Customer experience

Digital Building Twin

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Null Fasting

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Digital Building Twin

No in-app purchases

None

Null Fasting

No in-app purchases

Questions

Is Digital Building Twin free?
Digital Building Twin costs $12.90, with no in-app purchases.
Is Null Fasting free?
Null Fasting is free to download, with no in-app purchases.
Which has better reviews, Digital Building Twin or Null Fasting?
Null Fasting is rated higher. Digital Building Twin averages 2.0 out of 5 from 1 ratings, while Null Fasting averages 4.5 from 2 ratings.
Do Digital Building Twin or Null Fasting have ads?
Neither Digital Building Twin nor Null Fasting shows ads.
Which is updated more often, Digital Building Twin or Null Fasting?
Digital Building Twin ships an update every 4 days, and Null Fasting weekly. Most recently, Digital Building Twin was updated on August 7, 2026 and Null Fasting on September 10, 2026.

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