Best Random Timer Reaction Apps & Games

210+ iOS apps & games curated and reviewed

4.4 avg rating
18 free apps & games
Updated May 2026

Little Timer Hatch Countdown is the household name in random timer reaction, but it's far from the only option. We track 210+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Random Timer Reaction

Little Timer Hatch Countdown#1

Little Timer Hatch Countdown by Bitscuit Games

Visual timer and reminder
Editor's Choice
📚 Education
4.5😊(10K ratings)
FreeIn-App Purchases
Little Timer Hatch Countdown screenshot 1
Little Timer Hatch Countdown screenshot 2
Little Timer Hatch Countdown screenshot 3

Experience the magic of a visual timer with surprise animations! Perfect for kids' focus, transitions, time management, and more. Customize sounds and visuals for a personalized touch!

What We Love

  • 🚀 Great little free app
  • 👍 Honestly top tier
  • 👍 Love it
  • 👍 Fun

Room to Improve

  • 🐛 Very "pay to win"
  • 🐛 Too expensive
  • 🐛 Love but hate needing to constantly "restore" purchase
Random Timer Generator#2

Random Timer Generator by OneUp App LLC

A random countdown timer
Strong Contender
🔧 Utilities
3.8(56 ratings)
FreeIn-App Purchases
Random Timer Generator screenshot 1
Random Timer Generator screenshot 2
Random Timer Generator screenshot 3
Random Timer Generator screenshot 4
Random Timer Generator screenshot 5
Random Timer Generator screenshot 6

A random countdown timer that allows customizable timers within specified time ranges. Features looping mode, configurable alarm options, and is ideal for games, meditation, exercise, musical chairs, and studying. Perfect for adding an element of surprise and variety to daily activities.

Interval Timer - Tabata Timer#3

Interval Timer - Tabata Timer by NEO PIXEL LABS PTE. LTD

Multiple timers for fitness
Worth Considering
💪 Health & Fitness
4.5😊(18K ratings)
FreeAdsIn-App Purchases
Interval Timer - Tabata Timer screenshot 1
Interval Timer - Tabata Timer screenshot 2
Interval Timer - Tabata Timer screenshot 3
Interval Timer - Tabata Timer screenshot 4
Interval Timer - Tabata Timer screenshot 5
Interval Timer - Tabata Timer screenshot 6

An interval timer designed for fitness enthusiasts, offering customizable sets, high/low intensity intervals, and rest times for various workout routines. Features include the ability to run in the background, play music during workouts, share progress on social media, save settings as templates, and integrate with Apple Health for heart rate tracking on the Apple Watch. Start optimizing your workouts today!

What We Love

  • 🚀 Free version works well
  • 👍 Customizable intervals and timers
  • 👍 Flexible for different workouts
  • 👍 Easy to use and set up

Room to Improve

  • 🐛 Timer issues (stops, loses time)
  • 🔋 Drains battery when used
  • 💰 Expensive subscription model

More Random Timer Reaction apps to explore

4
Interval Timer □ HIIT Timer
Interval Timer □ HIIT Timer
Interval Timer □ HIIT Timer
The simple workout timer.
Free

A workout timer app that allows you to set custom intervals for exercise, rest, and rounds seamlessly. Features include audio guides, progress tracking, and the ability to listen to music from other apps while using the timer. Improve your fitness routine with this easy-to-use interval timer app!

💪 Health & Fitness
(83K)
5
Seconds Interval Timer
Seconds Interval Timer
Seconds Interval Timer
Tabata, HIIT, Circuit Training
Free

Optimize your Tabata, HIIT, and circuit training with a top interval timer. Fine-tune your workouts with ease. Start now for a more efficient fitness routine!

💪 Health & Fitness
(23K)
6
Interval Timer Plus
Interval Timer Plus
Interval Timer Plus
Simple interval timer
Free

A free and simple interval timer app for all kinds of activities like Tabata, HIIT, Crossfit, and more. Features include customizable intervals, easy presets, audible interval names, color coding, and support for different workout routines. Start optimizing your workouts with just one tap.

💪 Health & Fitness
(4.4K)
7
Visual Countdown Timer
Visual Countdown Timer
Visual Countdown Timer
Fun visual timer
Free

A fun visual countdown timer app designed to make tasks easier for kids by showing a changing color timer and revealing a picture as time runs out, followed by a reward sound. Users can customize images and tasks for various uses like getting dressed, brushing teeth, and more. Simplify daily routines and turn them into enjoyable activities!

📚 Education
(39K)
8
Simple Interval Timer
Simple Interval Timer
Simple Interval Timer
by Alena Kazarova
Free

A user-friendly interval timer application designed for various workouts like running, cycling, and HIIT, with customizable settings for sets, action, and break durations. Available on iOS and Apple Watch, it offers simplicity, background operation, and heartbeat monitoring, making it easy to focus on training. Start your efficient workouts with ease using this interval timer!

⚽ Sports
(4.2K)
9
Photo Timer+
Photo Timer+
Photo Timer+
Snap Multiple Photos on Delay
Free

Snap multiple photos on variable delays easily with this photo timer app. Features include variable timer lengths, countdown audio, multiple snap options, flash control, and preview. Start capturing moments effortlessly today!

📷 Photo & Video
(7.7K)
10
Timer+ Timers and Stopwatches
Timer+ Timers and Stopwatches
Timer+ Timers and Stopwatches
Cooking, Workouts, Meditation
Free

Set and manage multiple timers and stopwatches simultaneously with the ability to run multi-step countdowns. Stay organized and efficient with this comprehensive timer application. Try it now for improved time management!

🔧 Utilities
(40K)
11
timer. - Multi Countdown Timer
timer. - Multi Countdown Timer
timer. - Multi Countdown Timer
Live Activities / Widget Timer
Free

This app is a versatile multi-countdown timer that allows users to run multiple timers simultaneously, customize timer names and sounds, and access timers easily through a widget and Apple Watch app. With features like Siri Shortcuts support, a variety of alarm sounds, and the ability to choose music for alarms, it offers a convenient timer solution for various activities. For feedback or feature requests, visit the app's Twitter page.

🔧 Utilities
(168)
12
Reaction Speed Reflex Trainer
Reaction Speed Reflex Trainer
Reaction Speed Reflex Trainer
Train focus, speed & timing
Free

Put your reflexes to the test with our Reaction Speed challenge. Tap at the exact moment the screen switches from red to green and compete on the leaderboard to improve your reaction time. Sharpen your skills, track your progress, and beat your own record!

🎮 Games
(1K)
13
Timer
Timer
Timer
versatile,powerful,cusomizable
$3.99

This application is a versatile and powerful timer for various activities like board games, workouts, cooking, and meditation. It allows you to set multiple unique events triggered by the timer, offers customizable display modes, alarm sounds, and even lets you import custom sounds or music. Experience precise timing for any task with this advanced timer app.

🔧 Utilities
(207)
14
Repeat Timer: Interval Remind
Repeat Timer: Interval Remind
Repeat Timer: Interval Remind
Multitimer Alarm Clock
Free

Set multiple custom timers with different intervals to schedule periodic reminders and alarms with the Repeat Timer app. Stay organized and on track with this multifunctional timer and alarm clock tool. Download now and never miss an important task or event again!

🔧 Utilities
(7.1K)
15
Best Sand Timer
Best Sand Timer
Best Sand Timer
Digital hourglass timer
Free

An artistic digital sand timer app that visually displays and notifies you when time is up, with options to customize colors and alarm sounds. Perfect for kids and adults to track various activities. Find out more at smartphoneware.com.

🔧 Utilities
(18)
16
MultiTimer: Multiple timers
MultiTimer: Multiple timers
MultiTimer: Multiple timers
Visual countdown seconds timer
Free

Efficiently manage your time with the MultiTimer app, offering a variety of timer options like task timers and kitchen timers. Customize layouts, personalize timers, and enjoy features like notifications and exporting timer data. Download now for improved time management in various aspects of your daily routines!

🔧 Utilities
(15K)
17
Random timer Interval randomizer for game & sleep
Random timer Interval randomizer for game & sleep
Random timer Interval randomizer for game & sleep
A simple and random generator
Free

This application generates random time intervals for users who want to sleep or play at unpredictable times, with the option to shake the device to set the timer and the ability to work in the background. Try it out to add some randomness to your daily activities!

🌟 Lifestyle
(15)
18
(Not Boring) Timer
(Not Boring) Timer
(Not Boring) Timer
Loud, Readable & Not Boring
Free

Stay on track and focused with this unique timer app. With loud and readable alerts, it ensures you never miss a deadline again. Download now to boost your productivity!

🔧 Utilities
(1.7K)
19
Best Timer
Best Timer
Best Timer
Measure and visualize time
$0.99
🔧 Utilities
(20)
20
Flip Timer & stopwatch
Flip Timer & stopwatch
Flip Timer & stopwatch
Use for fitness,workout,study
Free

A productivity app designed to help users stay focused and boost efficiency through timed work sessions and breaks. Enhance your productivity today with our intuitive timer tool!

📊 Productivity
(7.5K)