What's New

This app has been updated by Apple to display the Apple Watch app icon.

iOS 9 Support, Bugifxes. We hope you will love our latest update.

App Description

Test and improve your reaction today. You have 20 seconds to react as fast as possible. This is pure fun!

iPhone Screenshots

(click to enlarge)

20 Seconds - Test your reaction time screenshot 1 20 Seconds - Test your reaction time screenshot 2

iPad Screenshots

(click to enlarge)

20 Seconds - Test your reaction time screenshot 3 20 Seconds - Test your reaction time screenshot 4

App Changes

  • November 08, 2014 Initial release
  • January 27, 2015 New version 1.1
  • February 19, 2016 New version 6.0

Other Apps From Jochen Heizmann

Kabama Atom Antics AAA Sector Animal Run for Toddlers Beat_Machine Bass Constructor Action Loops Africa Animals Africa Nights for Kids and Toddlers Africa - Connect the dots for kids Alphabet Safari for Toddlers Sophia's World: Jump And Run Dubstep Song Construction Kit Electronic Song Maker Free Piano. Animal Zoo Puzzle for Kids Match'em · For Kids & Toddlers In The Zoo • Connect Dots Adventure Puzzle: Ocean Little Red Riding Hood. Car Puzzle for kids / toddlers Dinomania · Connect Dots Animal Farm Puzzle Preschoolers Shapes: Vehicles Collie Puzzle Easter Game for Preschoolers Card match · Educational Game Animal Farm Points • For kids Motorcycles for Toddlers An Outer space adventure (2-4) A Winter Adventure Wild West - Connect Dots Farm Quest - A hidden object adventure for kids and the whole family Indian Adventure for Kids Dinopuzzle for toddlers Connect Dots · Africa Scary Dots for toddlers Treasure Island Puzzles Trucks - for preschoolers Trucks Puzzle Around the World - A hidden object adventure game Circle Flow - Shade Spotter: Drag the dots and lines around Afterglow! - Slide The Blocks Activity Dots: Fairyland Willy The Goat Tiny Thor 1 Sound 1 Word: Guess the word World Of Drum Loops Freestyle Song Maker Find The Pairs - The Ocean Edition Captain Backwater Free Rock Drum Invasion Flappy Alien - Tap To Fly Asbjorn the viking Circus puzzle for preschoolers Under the sea • Learn numbers Fairyland Puzzle • Puzzle Game Car Puzzle 2 for toddlers Painting Puzzle for Kids Angry Bee - Flying High Find The Pairs: The Card Matching Game for kids and toddlers Ghost Puzzle - Game for Kids myFlea Dangerous Loops Aaron the little detective: Hidden Object game for kids Intermediaware Impact Collies Of Lady's Dream Captain Backwater - 100 Levels of pure challenging bubble puzzle game fun with a mighty pirate running his own firm on a farm with weed & fighting dragons buster eating blitz diner with me and climb u Kids adventure - Jigsaw puzzle Wheels On Fire R'n'B and Hip Hop Song Maker Kids match for toddlers Trance Invasion Dubstep Invasion: Song Maker Dubstep Invasion 2: Beat Maker Dual Phases Amazing Colors! Animals of the jungle Urban Grooves - Make Music Amazing Match for Toddlers Connect The Dots In the jungle Creepy Puzzle Aaron the little sailor AAA³ Little Ponies & Unicorns Audio words - Guess the word AAA³ Viking Adventure Dubstep Music Creator AAA³ Dinosaur game for preschool aged children´´ The Classic Piano AAA³ Blazing Beats - House Hit Song Maker Car Racing Puzzle Challenge All Clowns in the toca circus - Free app for children Birdy Bird - Climb to the top Goodnight Puzzles for kids All Motorcycle Puzzle Cube Match - The Game Orbit | Ultimate Dance Music Remix Station Captain Jake's Puzzles Cpt. Backwater Find The Pairs - Dino Edition Find The Pairs - Cars Edition Find The Pairs - Farm Edition Find The Pairs: Africa Edition 1 Sound 1 Word - Hear the sound and guess the word (Premium) Animal Run for Toddlers (Premium) Under the sea - Learn numbers Aaron the little sailor (Premium) Shapes for preschoolers: Vehicles Kids match for toddlers (Premium) Find The Pairs: Africa Edition (Premium) Fairyland Puzzle - Magic Puzzle for kids and toddlers (Premium) Flappy Alien - Tap To Fly! (Premium) Sophia's World: Jump And Run Game Connect Dots: In the jungle All Clowns in the toca circus (Premium) Amazing Match for Kids & Toddlers (Premium) Fairyland - Activity Dots Animal Farm Points - Preschool Games Wild West - Connect Dots for kids (Premium) Scary Dots for toddlers (Premium) Angry Bee - Flying High (Premium) An outer space adventure Dinomania - Connect Dots for toddlers Dubstep Invasion: Music And Song Maker (Premium) AAA³ Viking Adventure (Premium) Dubstep Invasion 2: Beats & Drum Loops (Premium) Aaaahhhh! - Ghost-Puzzle-Game Adventure (Premium) Connect Dots Africa - Learning Game Card match for children Tiny Thor (Premium) All Motorcycle Puzzle Challenge (Premium) All Car Racing Puzzle Challenge (Premium) Find The Pairs - The Ocean Edition (Premium) Trucks - Connect Dots for preschoolers A Winter Adventure - Learn numbers Easter Adventure for Preschoolers (Premium) Conncet Dots Adventure for Kids (Premium) Cube Match - The addictive puzzle game (Premium) Audio words - Guess the word (Premium) Rock Drum Invasion (Premium) Maschenmarie - Stricken und Häkeln für Anfänger Willy The Goat (Premium) Chillstep Song Creator - Wobble-Synths (Premium) Circus puzzle for preschoolers (Premium) R'n'B and Hip Hop Song Maker (Premium) Captain Jake's Puzzle Adventures (Premium) Bots Boom Bang (Premium) Little Red Riding Hood - Jigsaw Puzzle (Premium) Animal Farm Puzzle for parents, kids (Premium) Trance Invasion (Premium) Kids Jigsaw puzzle (Premium) Car Puzzle 2 - Learning Puzzle Games (Premium) myFlea (Premium) Dual Phases (Premium) Circle Flow (Premium) Electronic Song Maker - Magic EDM Maker (Premium) Urban Grooves - Loops, Beats & Drums (Premium) Ghost Puzzle - Game for Kids (Premium) Car Puzzle for kids & toddlers Free Piano. (Premium) Match'em for kids and toddlers Dinopuzzle for kids and toddlers (Premium) Beat_Machine (Premium) Afterglow! - Slide The Blocks (Premium) Ocean Puzzle for kids & toddlers (Premium) Trucks Puzzle (Premium) Freestyle Song Maker (Premium) Captain Backwater's Adventure Dubstep Construction Kit - Beatmachine (Premium) Be Happy - The Game!