CoreWeight
Hiroomi Kubo Health & Fitness iPhoneiPadiPod touchMacApple Watch
CoreWeight is a free Health & Fitness app for iPhone and iPad by Hiroomi Kubo. Requires iOS 18.0. Updated October 9, 2026.
- Price
- Free
- on the App Store
- Size
- 18 MB
- Age 4+
- Updated
- Oct 9
- 2026 · v2.01
Screenshots
About CoreWeight
CoreWeight — Everything You Need to Track Your Training. CoreWeight is a complete workout log for iPhone, iPad, Mac, and Apple Watch. Track strength training, cardio, body weight, body measurements, progress photos, personal records, and more — all in one place. Log your workouts quickly, review your progress with detailed charts, and stay motivated with goals and personal records. CoreWeight also includes a built-in HIIT & Tabata timer, photo comparisons, CSV import, and seamless iCloud sync across your Apple devices. KEY FEATURES • Quickly log exercises, sets, reps, and weight with minimal taps • Create workout menus and routines, or easily repeat previous workouts • Track training volume, estimated 1RM, body weight, body fat percentage, body measurements, heart rate zones, and more • Visualize your progress with detailed charts • Set goals and automatically track personal records • Compare Before & After photos side by side or with an overlay • Export progress photos as transition videos • Built-in HIIT & Tabata interval timer with customizable preparation, work, rest, and round settings • Sync your data across iPhone, iPad, Mac, and Apple Watch with iCloud • Import your existing workout history from CSV files • Create custom tracking fields and units • Share workouts and personal records with a single tap • Generate AI-ready prompts based on your recent training data FREE VERSION & LIFETIME LICENSE All CoreWeight features are available for free. The free iPhone and iPad versions display a banner ad on the Home screen. A one-time Lifetime License removes ads and lets you use CoreWeight without restrictions. The Mac version is ad-free. PRIVACY Your workout history, body measurements, and photos are stored on your device and in your own iCloud account. No CoreWeight account or login is required. Google AdMob is used only to display ads in the free iPhone and iPad versions. By using this app, you agree to Apple’s Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.vision-structure.com/coreweight/privacy/
What’s new
Version 2.01 · Updated October 9, 2026
Minor bug fixes
App privacy
The developer, Hiroomi Kubo, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Performance Data
Used for: Third-Party Advertising, Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: Analytics, App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| CoreWeight | – | Free | October 9, 2026 | |
| FitCat: Workout Log | – | Free | Aug 28, 2026 | Compare |
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| KINROKU - AI Workout Analytics | – | Free | Jul 27, 2026 | Compare |
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