シンプルダイエット - かわいい体重記録帳で簡単ダイエット

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About this app

\So cute you can keep using it every day! Simple weight and meal management/
This is the simplest weight and diet tracking app for those who are lazy!

No complicated functions whatsoever. Just open the app and enter your weight.

Cute graphs will make your diet fun and supportive.

Basic functions are completely free!

▼Recommended for those who:
・Can't master multi-functional apps…
・Are looking for a simple and easy-to-use app
・Want to manage not only weight but also calorie intake
・Want to record body fat percentage and BMI to centralize health management
・Want a cute design to boost motivation
・Want to use it for free and with peace of mind
・Want to securely protect their important weight data with fingerprint authentication

◇Quick recording after launching the app
The recording screen is displayed at the top, so you can record your weight and body fat percentage immediately after launching the app.

Quickly record before your bath or after waking up. Its simplicity is its greatest feature, making it easy to continue using.

◇Centralize calorie management with a meal tracker
Record meals in four categories: breakfast, lunch, dinner, and snacks. Entering calories (kcal) for each meal automatically calculates your daily and weekly total calories. The app displays a graph overlaying your weight changes and calorie intake, allowing you to track your progress and stay motivated with your diet.

◇ Manage Body Fat Percentage and BMI Together
You can record not only your weight but also your body fat percentage. Setting your height displays your BMI and BMI category (underweight/normal/overweight) with colored badges, allowing you to see changes in your health status at a glance, something not visible from weight alone.

◇ See Your Weight Loss at a Glance
The history screen shows at a glance how much weight you've lost since starting measurements and how much weight you have left to reach your target weight. Checking these numbers helps maintain your motivation for dieting!

◇ Check Past Records on a Calendar
You can check your daily weight in a monthly calendar format. Average weight is displayed for dates with records, and the day-to-day and week-to-week comparisons are intuitively shown using color coding (red: increase / green: decrease).

◇ Visualize Weight and Body Fat Percentage Changes with Graphs
You can view graphs showing the changes in your weight and body fat percentage over 30 days, 90 days, six months, and one year. Your target weight is displayed as a dashed line, and a predicted weight graph is automatically generated if you have more than 7 days of data. This helps you see your progress and stay motivated!

By linking with step count data (Health Connect), you can also see the relationship between steps and weight in a graph.

◇ Categorize and Filter Records with Tags
You can create your own tags, such as "Days I Ate Too Much" or "Days I Exercised," and attach them to your records. You can filter graphs with tags, which is useful for analyzing the relationship between lifestyle habits and weight changes.

◇ Protect Your Privacy with Fingerprint Authentication
Private data such as weight and meals can be protected with biometric authentication (fingerprint authentication). Turning on the setting to require authentication when launching the app prevents others from viewing your data even if they open the app.

◇ Easy Data Migration with Excel Files
All weight and meal records can be exported as Excel files (.xlsx). Conversely, when importing data from Excel, you can manually specify column mapping, making migration from other apps effortless.

◇Regarding the use of step count data (Health Connect)
This app uses step count data from Health Connect.
・Visualizes the relationship between weight change and exercise level
・The use of step count data can be canceled at any time from Health Connect
・All data is processed within the device and is not sent externally.

◇We will continue to add and improve features
Please feel free to send us your opinions, requests, and bug reports via "Contact Us" in the settings screen.
Updated on
Jul 18, 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
This app may collect these data types
Location, App info and performance, and Device or other IDs
Data is encrypted in transit
Data can’t be deleted

What’s new

軽微な不具合を修正
Content rating
Everyone
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App support

About the developer
SNOLLE
appdev@snolle.com
1-4-3, SENGENCHO, NISHI-KU WIZARD BLDG. 402 YOKOHAMA, 神奈川県 220-0072 Japan
+81 70-7667-6949

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