筋トレ記録

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Content rating
Everyone
5+
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Content rating
Everyone
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About this app

Strength Training Log is a fitness app that provides total support for recording, analyzing, and continuing your strength training. With its simple operation and sophisticated dark theme design, it's optimized for gym use.

【Main Features】

■ Workout Log
Quickly input sets, weight, and reps. Features include one-tap copy of previous sets and support for training labels such as supersets, drop sets, and circuit training. Choose from preset exercises or freely add custom exercises.

■ Set Rest Timer
Automatically starts counting down after completing a set. Select from presets ranging from 30 seconds to 5 minutes, and freely pause, reset, and skip. Vibration and notifications alert you when the timer ends. Notifications are received even when the app is running in the background.

■ Exercise-Specific Progress Graphs
View the progress of maximum weight, total load, and estimated 1RM for each exercise in line graphs. Review your progress trajectory using filters for 1 month, 3 months, 6 months, and all periods.

■ Personal Best (PR) Detection
When you break your personal best in weight or reps, a congratulatory card will automatically appear. You can share your records with training partners using the SNS sharing function.

■ Body Composition Tracking
Records and graphs 10 items including weight, body fat percentage, muscle mass, skeletal muscle mass, and BMI. Setting target values ​​will display a target line on the graph.

■ Training History
View training days in a calendar format. Tapping on past sessions allows you to view details of exercises, sets, and weights.

■ Weekly Summary Notification
Every Monday at 9 AM, you will receive a push notification with your training reps, total load, and PR count for the previous week (can be turned on/off in settings).

■ Interactive Tutorial
A 6-slide tutorial will appear upon first launch, clearly guiding you through how to use the app.

【Recommended for those who:】
・Want to make recording their strength training a habit

・Want to track their weight progress with graphs

・Want to manage changes in weight and body fat percentage

・Aim to break their personal best
Updated on
May 31, 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
Personal info, Health and fitness, and App info and performance
Data is encrypted in transit
You can request that data be deleted

What’s new

【バージョン 2.0.8 アップデート内容】

■ 新機能・改善
・ワークアウト中の種目を長押し&ドラッグで並び替えできるようになりました
・種目選択画面の読み込みを高速化しました(2回目以降は即時表示)
・CSVインポート時に未来の日付のデータを自動でスキップするようになりました
・カレンダーで未来の日付はタップできないよう制限しました
・インターバルタイマーはボタンタップ時のみ起動するよう変更しました(セット追加時の自動起動を廃止)

■ カテゴリ整理
・「腕」カテゴリを「上腕二頭筋」「上腕三頭筋」に分割しました

■ バグ修正
・パスワードリセット機能の不具合を修正しました
・削除操作に確認ダイアログを追加し、誤操作を防止しました
Content rating
Everyone
Learn more

App support

About the developer
LRILAB K.K.
a.takahashi@lrilab.com
1-7-8, KUGENUMAISHIGAMI BIG RISE BLDG. 5F. FUJISAWA, 神奈川県 251-0025 Japan
+81 80-2596-8127