SPIDER20
Health & Fitness
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
One bar, 20 minutes. 5 pull-ups, 10 push-ups, 15 squats — as many rounds as you can. Stand your phone up and the camera counts your reps for you.
SPIDER20 — 20-minute bodyweight workout with just one bar
Complete as many rounds as you can in 20 minutes:
• 5 pull-ups
• 10 push-ups
• 15 squats
■ Camera auto-count
Just stand your phone on a tripod or holder and the camera recognizes your movement and counts your reps automatically. No need to tap the screen mid-workout.
• Tripod mode: keep your phone in one spot; works from the front, side or back
• Floor mode: lay your phone on the floor, camera facing up
• Video is processed only on your device. It is never saved or sent.
■ Custom WOD (PRO)
Build your own workout from 16 movements, all counted by the camera.
Pull-up, push-up, knee push-up, wide push-up, diamond push-up, pike push-up, Tyson push-up, squat, reverse lunge, glute bridge, calf raise, mountain climber, plank shoulder tap, dead bug, burpee, jumping jack, high knees
Left/right movements count one rep only after both sides are done.
■ History & stats
• Today's volume, calories, total reps and workout time
• Round history and personal bests
• Performance charts for 10, 15, 20 and 30-minute workouts
• Track your progress with levels
■ SPIDER20 PRO — one-time purchase, no subscription
• Custom WOD Builder
• Full workout history
• Performance statistics
• Long-term PB tracking
• PRO app icon
Camera auto-count detects visible body movement as an assistant feature. Results may vary with your setup and surroundings. Calories are estimated from reps and body weight.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Improved camera auto-counting for all 16 Custom WOD movements.
- Mountain climbers, plank shoulder taps, high knees and reverse lunges now count one rep only after both sides are done.
- Tyson push-ups count the moment your knees bend after the push-up.
- Better recognition for dead bugs, calf raises and jumping jacks.
- More reliable person detection in backlight, with dark clothing and in plank positions.
- New installs start in tripod mode with a large camera view during workouts.
- Added a Done button when entering reps in Custom WOD.
- Reduced battery usage.
The developer, beomjun Son, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- beomjun Son
- Size
- 11.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Korean
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- In-App Purchases
Yes
- SPIDER20 PRO $1.99
- Copyright
- © 2026 SPIDER20
