# Digital Building Twin vs Null Fasting

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.

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.

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.

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.

## The numbers

| Metric | Digital Building Twin | Null Fasting |
| --- | --- | --- |
| Price | $12.90 | **Free** |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/digital-building-twin/id6739471165/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/null-fasting/id6743633464/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Paid | **Free** |
| Size | 16 MB | 21 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [drillstars](https://appshunter.io/developer/1653313261) | [YMMV](https://appshunter.io/developer/1224453829) |

## What reviewers say

### Digital Building Twin

[App page](https://appshunter.io/ios/app/digital-building-twin/id6739471165)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Null Fasting

[App page](https://appshunter.io/ios/app/null-fasting/id6743633464)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*