サイズ予報

Contains adsIn-app purchases
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Everyone
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Content rating
Everyone
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About this app

"Size Forecast" is a growth tracking app that allows you to record your child's height and weight, track their growth changes in a graph, and plan the next sizes for clothes, shoes, and diapers.

"What size clothes will they need next season?" "When should I buy new shoes?" "I want to look back on their growth progress."

This app visualizes these daily questions clearly using recorded data.

【What you can do】

■ Easy height and weight recording

Simply enter the measured height and weight. You can manage growth records from your maternal and child health handbook all in one place within the app.

You can register multiple children, allowing you to keep records for each sibling.

■ Visualize changes with a growth curve

Recorded height and weight are displayed on a growth curve. You can look back at how they have changed at a glance.

The growth curve uses the same official standards as the maternal and child health handbook.

■ Display SD score

You can check the difference between your child's height and weight records and the standard values ​​for the same age using an SD score.

*The displayed values ​​are for reference purposes only to monitor growth. They are not intended for medical diagnosis.

■ Seasonal Clothing Size Forecast

Based on past growth records, this feature displays estimated height and clothing sizes for each season.

This is helpful when you're wondering, "What size clothes should I buy for next season?" during sales or seasonal changes.

*The forecast is an estimate calculated from recorded data and does not guarantee actual growth or clothing size.

■ Anticipate Shoe Replacement Time

Based on actual foot length measurements and shoe purchase records, you can check the current size guideline, the next size to purchase, and the estimated replacement time.

*The shoe prediction feature is available in the Pro version.

■ Check Diaper Size Up Time

Based on weight changes and manufacturer/series guidelines, you can check the next diaper size and when to re-size.

■ Save Graphs and Forecasts as Images

Growth curves, SD scores, and clothing/shoe/diaper size forecasts can be saved and shared as images.

You can also compile your child's growth record into a PDF for reference during doctor's visits.

【Recommended for those who:】

・Want to record their child's height and weight

・Want to manage their maternal and child health handbook's growth record in an app

・Want to check growth curves and SD scores anytime

・Often struggle to choose clothing sizes for next season

・Want to buy next year's children's clothes during sales

・Want to know when to review shoe and diaper sizes

・Want to keep growth records for each sibling

・Want to create growth records to show during doctor's visits

Your child's growth is gradual when you see them every day. But when you look back, you'll be surprised at how much they've grown.

Why not use "Size Forecast" to record their growth so far and consider the sizes they'll need in the future?

*This app is a tool for parents to record and organize their child's growth. It is not a medical device and is not intended for the diagnosis, treatment, or prevention of disease. If you have any concerns, please consult your doctor or public health nurse.
A growth tracking app that visualizes your child's growth by recording their height and weight, and even predicts their clothing size one year from now.
Updated on
Aug 17, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

サイズ予報の初回リリースです。
・身長・体重の記録と成長曲線
・SDスコアの表示
・洋服、おむつ、靴のサイズ予報
・画像保存、受診レポートPDF、クラウドバックアップ
Content rating
Everyone
Learn more

App support

Phone number
+818064402960
About the developer
MIYA APPS
sizeyoho.app@gmail.com
10-15-301, SHINSENCHO SHIBUYA-KU, 東京都 150-0045 Japan
+81 80-6440-2960