Sprint Start Trainer
For Sprint Start Practice
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Train your sprint starts anytime, anywhere.
Starter Kit is a training app for sprinters and coaches who want to practice race starts without special equipment.
Perfect for:
100m / 200m sprinters
Track & field athletes
Coaches
Solo training
Features:
• Custom race start sequence
Set timing for:
“On your marks”
“Set”
Starting gun
• Random start timing
Train realistic race reactions with randomized intervals.
• Reaction time measurement
Measure your start reaction time and review performance.
• Video review
Check your starts frame by frame.
• Flexible training
Practice anywhere with just your phone.
We’re continuously improving Starter Kit based on user feedback.
Minor bug fixes
The developer, Koki Osada, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
- Diagnostics
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Koki Osada
- Size
- 27.3 MB
- Category
- Sports
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
English and 5 more
- English, French, German, Japanese, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Remove Ads $4.99
- Copyright
- © 2023-2026 Koki Osada