# Crack Detector — Crack Detector

> AI-powered app for detecting and measuring cracks in concrete and walls from photos. (iPhone/iPad app by Byungil Park.)

- Source: https://appshunter.io/ios/app/crack-detector/id1530337221 (this page in markdown: same URL + `.md`)
- Developer: [Byungil Park](https://appshunter.io/developer/318781673)
- Category: Utilities, Productivity
- Price: $2.99 with in-app purchases
- Rating: 1.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.1 · 42 MB
- Languages: American English, Japanese, Korean
- Released: 2020-09-04
- Data updated: 2026-08-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/crack-detector/id1530337221/reviews.md

## What is Crack Detector?

Crack Detector is a smartphone app that automatically finds cracks on concrete and other walls based on photos taken by smartphone cameras and measures thickness and length. Analyze photos based on machine learning to find the location of the crack.

When you film a crack with a smartphone's camera, it automatically finds the crack and automatically finds the thickness and length of the crack.

Markers can also be used to measure the thickness and length of the crack in mm.

You can use multiple markers to measure cracks by extracting specific parts of the picture.

You can measure the thickness and length of the crack by printing the marker and attaching it to the screen you want to measure, entering the size of the marker in mm into the setup.

Provides markers that can be printed on a printer.

## Key features

- Automatic crack detection via photos
- Machine learning analysis
- Measures crack thickness and length
- Printable marker for calibration
- Extract specific crack sections

## Pricing and in-app purchases

Base price: $2.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Use crack detection 100 times | $24.99 | one-time |
| Use crack detection 10 times | $2.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/crack-detector/id1530337221/reviews.md

### 1/5 — Scam

*2025-09-19*

Scam

## Frequently asked questions about Crack Detector

### How does Crack Detector find cracks?

Crack Detector uses machine learning to analyze photos taken with your smartphone camera. It automatically identifies the location, thickness, and length of cracks in concrete and walls.

### Can Crack Detector measure cracks accurately?

Yes, Crack Detector can measure crack thickness and length. For enhanced precision, you can use printable markers that you attach to the surface and input their size into the app's setup.

### What devices does Crack Detector support?

Crack Detector is available for iPhone and iPod devices. It is designed for iOS users who need a portable crack analysis solution.

### What is the price of Crack Detector?

Crack Detector is a paid application, available for a one-time purchase of $2.99. This price grants you access to all its crack detection and measurement features.

### How often is Crack Detector updated?

The latest version of Crack Detector, 3.1.0, was released on March 29, 2024. Updates typically include improvements to the detection algorithms and user interface.

### What is the age rating for Crack Detector?

Crack Detector has an age rating of 4+, indicating it is suitable for users of all ages. The app's functionality does not involve mature or inappropriate content.

### Does Crack Detector have ads?

No, Crack Detector does not contain advertisements. As a paid application, it offers an uninterrupted user experience focused solely on its utility features.

### What do users think of Crack Detector?

Based on the available data, Crack Detector has received one rating of 1.0 stars. Further user feedback would be needed to understand common sentiments or issues.

## Version history (last 5 releases)

### 3.1.0 — 2024-03-29

Provides markers that can be printed on a printer

### 3.0.1 — 2023-09-01

Error corrected.

### 3.0.0 — 2023-08-31

Machine learning technology is used to find cracks more accurately

### 2.1.0 — 2022-06-22

허용균열폭 기준 설정 기능이 추가 되었습니다.

### 2.0.0 — 2022-03-29

측정 위치 정보가 추가 되었습니다

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## More apps by Byungil Park

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All apps by Byungil Park: https://appshunter.io/developer/318781673

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*