捕手Spotter: Partner Log
YiChing LIN Health & Fitness iPhoneiPadiPod touch
捕手Spotter: Partner Log is a free Health & Fitness app for iPhone and iPad by YiChing LIN. Requires iOS 15.1. Updated October 6, 2026.
- Price
- Free
- on the App Store
- Size
- 42 MB
- Age 12+
- Updated
- Oct 6
- 2026 · v2.3.1
Screenshots
About 捕手Spotter: Partner Log
Training alone is easy to quit. Training together sticks. 捕手Spotter is a workout log built for people who train together. Become partners with your significant other, a friend, or your training buddy, and you can log workouts, meals, and weight for each other. One entry, both of you logged. [ Partner Logging ] • Invite someone from your friends list; it takes effect once they accept • Before each entry, choose who it's for: just you, just your partner, or both • Swipe left or right on the Training and Weight tabs to jump to your partner's page and log for them • Your partner can edit at the same time; you both see the same up-to-date data • Unlink anytime; each of you keeps your own records [ Activity Feed ] • Open the app and see what your friends trained: exercises, weights, sets • Like and comment to cheer each other on • Add friends with a friend code, QR code, or shared link [ Effortless Logging ] • Adjust weight and reps with + / − and tap once to log a set • The next set starts from your last numbers, no retyping • Built-in rest timer: ±15 seconds, skip, and a notification when time's up, also on the Lock Screen and Dynamic Island • Supersets, drop sets, pause sets and more, plus cardio • Built-in push/pull/legs, upper/lower, and full-body programs, or plan your own week [ Weight & Nutrition ] • Log weight daily; scroll the trend chart sideways to see your 7-day average and weekly change • Log meals with a photo or by hand: protein, carbs, fat, and calories against your daily targets • Start typing a food name to search past entries and fill everything in with one tap • You can log weight and meals for your partner too • Diary and photo compare: pick two diary photos side by side to see how your body changed [ AI Assist ] • AI form check: film a squat, bench, or deadlift and get specific tips • AI food recognition: snap a meal to estimate calories and macros • AI workout recap: estimated calories burned, plus convenience-store snack ideas based on your training (Taiwan) • Videos stay on your phone: form check sends only 30 key frames [ Never Lose Your Data ] • Sign in with Apple or Google and your workouts, weight, and meals back up automatically, even if you switch phones [ Who It's For ] • You have a regular training partner and want to run the same program • You coach someone, or someone coaches you, and want to log for each other • You train alone and need friends keeping you honest • You want workouts, food, and weight in one app [ Spotter Pro ] Free to download. The free tier lets you log workouts, add partners, track weight and meals, and write diary entries, with a daily free AI allowance: 1 form check, 3 food recognitions, 1 workout recap. Spotter Pro raises your daily AI limits and unlocks advanced features: • Up to 30 AI form checks per day • Up to 20 AI food recognitions per day • Up to 3 AI workout recaps per day • Advanced stats with your full history (free tier: last 30 days) • Multiple training plans (free tier: 1) Plans (prices and intro offers vary by region; the final amount is shown on the subscription screen at checkout): • Monthly subscription with a discounted first month • Yearly subscription with a 7-day free trial Payment will be charged to your Apple Account at purchase confirmation. Subscription auto-renews unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in App Store → Account → Subscriptions. • Privacy Policy: https://spotter-partner.vercel.app/en/privacy • Terms of Use: https://spotter-partner.vercel.app/en/terms [ Contact ] • Feedback: Settings → Feedback in the app • Email: [email protected] Built by an engineer who trains every day. I read every message.
What’s new
Version 2.3.1 · Updated October 6, 2026
• A new page indicator at the top right shows whether you're on your own page or your partner's — swipe to switch • When logging for a partner, you can now log only for them and uncheck yourself • Smoother notes and workout titles: typing, including Chinese input methods, no longer gets interrupted or cleared when saving • "Repeat workout" now asks before replacing a workout that's in progress • Weight units (kg / lb) now always match how each set was recorded • Custom exercises now have demo images and AI form-check tips, and several exercise demos and names are fixed • Other UI and stability improvements
App privacy
The developer, YiChing LIN, 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:
- User Content: Photos or Videos, Audio Data, Other User Content
- Health & Fitness: Fitness
- Location: Coarse Location
- Contact Info: Email Address, Name
- Identifiers: User ID
- Usage Data: Product Interaction
Used for: 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:
- Health & Fitness: Fitness
- User Content: Other User Content
- Diagnostics: Crash Data, Performance Data
Used for: Analytics, App Functionality
Alternatives to 捕手Spotter: Partner Log
Looking for apps like 捕手Spotter: Partner Log? Here are 6 similar apps on the App Store. The highest rated is Food Fox AI (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 捕手Spotter: Partner Log | – | Free | October 6, 2026 | |
| Hatch: Gym & Workout Tracker | – | Free | Jun 14, 2026 | Compare |
| Qualia Health | – | Free | Jul 1, 2026 | Compare |
| Pync Pet Tech | – | Free | May 1, 2026 | Compare |
| WuDuck - Weight loss buddy | – | Free | Sep 15, 2026 | Compare |
| Food Fox AI | 5.0 / 5 (1) | Free | Nov 23, 2025 | Compare |
| myBrux | – | Free | Oct 19, 2026 | Compare |