Sprint Start Trainer
Sprint Start Trainer Summary
Sprint Start Trainer is a ad-supported, with in-app purchases iOS app in Sports by Koki Osada. Released in Dec 2023 (2 years ago). It has 12 ratings with a 4.94★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 100 monthly active users and generates around $<10K monthly revenue (39% IAP / 61% ads). Store metadata: updated May 28, 2026.
Recent activity: 1.00 new ratings this week View trends →
Store info: Last updated on App Store on May 28, 2026 .
4.94★
Ratings: 12
Screenshots
App Description
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.