Nice
Haven't had any problems yet and hopefully I wont. Great for my workouts and vertical!
It’s not bad
It’s a bit glitchy but it has good workouts for my vertical jump
Archived App (Last seen on 22 Aug 2025)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
These training shoes are designed to shift body weight support to the calf muscles, enhancing athletic performance. They aim to increase explosive power, calf definition, sprint speed, and vertical jump for athletes across various sports.
✓Shifts weight support to calf muscles
✓Increases fast twitch muscle fibers
✓Builds calf mass and definition
✓Improves sprint speed
✓Enhances vertical jump
✓Boosts reactive strength
Show original description
What's New in Jump99
1.0
January 29, 2020
User reviews
FAQ
What is the main benefit of Jump99 shoes?
Jump99 shoes are designed to shift 100% of your body weight support to your calf muscles, helping to increase explosive power, calf mass, sprint speed, and vertical jump.
Who can benefit from using Jump99 shoes?
Athletes looking to improve their jumping ability, sprint speed, and overall athleticism for practically any sport can benefit from using Jump99 training shoes.
What specific athletic aspects does Jump99 aim to improve?
Jump99 training shoes focus on increasing fast twitch muscle fibers for explosive power, building calf mass and definition, improving reactive strength, enhancing sprint speed, and increasing vertical jump.
What devices does Jump99 support?
Jump99 is available for iPhone and iPod devices.
What is the age rating for Jump99?
Jump99 has an age rating of 4+.
When was Jump99 last updated?
Jump99 was last updated on January 29, 2020, with version 1.0.
What is the user rating for Jump99?
Jump99 has a rating of 4.2 stars from 6 ratings.
Does Jump99 have ads?
No, Jump99 does not contain advertisements.
