inch by inch 4+

Enjoy children’s growth by AR‪!‬

Mujuryoku Inc.

    • Free
    • Offers In-App Purchases

iPhone Screenshots


Let’s enjoy children’s growth by recording by AR.

“inch by inch” is an app for recording children’s growth using AR technology.

Just by taking a picture, you can measure your height at the same time.

The recorded data can be displayed in the real world by AR.

# Basic Features

## Compare by AR
Compare height with their past pictures.
See how big they have grown.

Multiple records can be displayed at the same time by AR.

## Measurement & Shooting
Just by taking a picture, you can measure your height at the same time.
It’s easy to measure and record their height.

iPhones with LiDAR scanner can take highly accurate height measurements and 3D photos.

## WebAR sharing
Everybody can enjoy this record in WebAR by sharing the URL
,even people who doesn’t have this app.

# Supported devices
(Devices that can take pictures and take measurements)

iOS14 or higher and
iPhone with A12 Bionic or later chip
(iPhones released after the iPhone Xs)

The 3D shooting feature is only available on iPhones with LiDAR scanner, such as the iPhone 12 Pro.

What’s New

Version 0.8.1

ver 0.8.1
Fixed a bug in the "Add from Album" feature.

We will continue development for you to enjoy more and more children’s growth.
Best regards!

We will continue to make updates.
Please feel free to send us your feedback, suggestions for new features, etc.

# Update history
ver 0.8.0 new features added!
The following features have been added to allow you to see more of your children’s growth.
A graph display function, a list display function, and a function to measure height only.

App Privacy

The developer, Mujuryoku Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info
  • User Content

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Some in‑app purchases, including subscriptions, may be shareable with your family group when Family Sharing is enabled.

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