Best 4321 Timer Apps

229+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated June 2026

Every iPhone needs a few good 4321 timer apps. We benchmark 229+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for 4321 Timer

Hours - Tracker & Time Clock#2

Hours - Tracker & Time Clock by One Wave AB

Work Sheet Calculator In Out
Strong Contender
💼 Business
4.6😊(16K ratings)
FreeIn-App Purchases
Hours - Tracker & Time Clock screenshot 1
Hours - Tracker & Time Clock screenshot 2
Hours - Tracker & Time Clock screenshot 3
Hours - Tracker & Time Clock screenshot 4
Hours - Tracker & Time Clock screenshot 5
Hours - Tracker & Time Clock screenshot 6

Easily track your work hours with a live clock-in/out feature or manual log entries. Monitor weekly hours worked and salary earned, with options for multiple jobs, tax deductions, and exportable reports.

What We Love

  • 👍 Easy to use
  • 💰 Helps track hours and pay
  • 🗓️ Useful for multiple jobs
  • 🔢 Calculates hours and pay automatically

Room to Improve

  • 🔒 Limits free features to force purchase
  • 🔢 Limited to 5 jobs in free version
  • 🐛 Issues with break time tracking
Next Up - Interval Timer#3

Next Up - Interval Timer by Alysha Kwok

Customizable interval timer
Worth Considering
💪 Health & Fitness
4.7(2.8K ratings)
FreeIn-App Purchases
Next Up - Interval Timer screenshot 1
Next Up - Interval Timer screenshot 2
Next Up - Interval Timer screenshot 3
Next Up - Interval Timer screenshot 4
Next Up - Interval Timer screenshot 5
Next Up - Interval Timer screenshot 6

Create and customize interval timers with detailed options for reps, sets, colors, and sounds. Offers flexible display modes, quick actions for navigation, and background notifications. Organize timers with folders and choose between light and dark themes.

More 4321 Timer apps to explore

4
Interval Timer - Tabata Timer
Interval Timer - Tabata Timer
Interval Timer - Tabata Timer
Multiple timers for fitness
Free

This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

Customizable sets, intervals, and rest timesRuns in background and with screen lockedMusic playlist integration
💪 Health & Fitness
(18K)
free with in-app purchases
5
GymNext Flex Timer
GymNext Flex Timer
GymNext Flex Timer
Bluetooth Interval Timer
Free

This app offers advanced interval training timing with customizable modes and the ability to control an external LED display. It integrates with wearables and heart rate monitors for a comprehensive workout experience.

Control external LED displaysMultiple customizable timer modes (Tabata, EMOM, etc.)Save and recall favorite workouts
💪 Health & Fitness
(2K)
free
6
(Not Boring) Timer
(Not Boring) Timer
(Not Boring) Timer
Loud, Readable & Not Boring
Free

This app offers a visually engaging and intuitive timer experience, inspired by simple egg timers. It features a unique overshoot function, a game-like interface with 3D animations, and customizable skins. Widgets provide quick access to timers for daily routines.

Overshoot and stopwatch modesGame-like 3D interfaceLarge, readable display
🔧 Utilities
(1.7K)
free with in-app purchases
7
Seconds Interval Timer
Seconds Interval Timer
Seconds Interval Timer
Tabata, HIIT, Circuit Training
Free

This app provides a versatile interval timer for various workout types like Tabata, HIIT, and circuit training. It features a clear, full-screen display, customizable alerts, and background operation. Users can also utilize a stopwatch and countdown timer, with integration for Apple Health.

Full-screen colored displayTemplates for HIIT, Tabata, Circuit TrainingVoice and audio alerts
💪 Health & Fitness
(23K)
free with in-app purchases
8
Focus To-Do: Focus Timer&Tasks
Focus To-Do: Focus Timer&Tasks
Focus To-Do: Focus Timer&Tasks
Pomodoro timer for work&study
Free

This app combines a Pomodoro timer with task management to boost productivity. Organize tasks, set reminders, and track your focused work sessions with detailed reports. Syncs across all your devices for seamless management.

Pomodoro timer with customizable lengthsTask and project organizationRecurring tasks and reminders
📊 Productivity
(14K)
free with in-app purchases
9
Countdown & Count Up Timer
Countdown & Count Up Timer
Countdown & Count Up Timer
Event Reminders and Widgets
Free

Easily track important dates with customizable countdowns and count-ups. Never miss an anniversary, event, or milestone with home screen widgets and timely notifications. Personalize your tracking with custom backgrounds and text.

Unlimited event trackingHome and lock screen widgetsCustomizable notifications
📊 Productivity
(2.3K)
free with in-app purchases
10
Be Focused – Deep Focus Timer
Be Focused – Deep Focus Timer
Be Focused – Deep Focus Timer
Work & Study Pomodoro Timer
Free

This app helps you stay focused by breaking down tasks into timed work intervals with short breaks. It offers task management, customizable timers, progress tracking, and cross-device synchronization. Enhance your productivity and concentration with this effective tool.

Task creation and managementCustomizable work/break intervalsProgress tracking and reports
📊 Productivity
(4.3K)
free with in-app purchases
11
Interval Timer
Interval Timer
Interval Timer
Tabata, HIIT, Circuit Training
Free

This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

Customizable interval settingsVoice assistant with text-to-speechMusic ducking for audio integration
💪 Health & Fitness
(3.2K)
subscription
12
TickTick:To-Do List & Calendar
TickTick:To-Do List & Calendar
TickTick:To-Do List & Calendar
Task remind, planner,countdown
Free

This app helps you manage tasks, schedule events, and build habits. It offers cross-device synchronization, multiple reminders, and collaboration features. Stay organized and boost productivity with its comprehensive planning tools.

Cross-device task synchronizationMultiple reminders and flexible schedulingCalendar views and integration
📊 Productivity
(44K)
freemium
13
Timer+ Countdown & Stopwatch
Timer+ Countdown & Stopwatch
Timer+ Countdown & Stopwatch
Cooking, Workouts, Meditation
Free

Manage multiple timers and stopwatches simultaneously for various activities like cooking, workouts, and daily routines. Build complex interval timers with custom segments and receive voice announcements. Save and reuse timer templates for efficient time management.

Multiple timers and stopwatchesMulti-step interval timersCustomizable timer segments
🔧 Utilities
(40K)
free with in-app purchases
14
Seconds Pro Interval Timer
Seconds Pro Interval Timer
Seconds Pro Interval Timer
Tabata, HIIT, Circuit Training
$7.99

This interval timer app is designed for high-intensity interval training (HIIT), Tabata, and circuit training workouts. It features a large, color-coded display, customizable interval names, and background operation. It also integrates with Apple Health to track your fitness data.

Full screen colored displayTemplates for HIIT, Tabata, Circuit TrainingSpeaks interval names and provides warnings
💪 Health & Fitness
(11K)
paid
15
Pomodoro - Focus Timer
Pomodoro - Focus Timer
Pomodoro - Focus Timer
Improve your productivity
Free

Enhance your focus and productivity with a timer that breaks work into intervals. This app helps you manage tasks using the Pomodoro technique, offering customizable timers, relaxing sounds, and progress tracking. It supports various Apple devices and works offline.

Pomodoro technique timerCustomizable intervalsRelaxing sound player
📊 Productivity
(11K)
free with in-app purchases
16
Random Timer Generator
Random Timer Generator
Random Timer Generator
A random countdown timer
Free

This app generates random countdown timers within a specified time range. It's versatile for games, meditation, exercise, studying, and more. Customize sounds, vibrations, and looping modes for a personalized experience.

Configurable random countdownsAdjustable time ranges (0 seconds to 24 hours)Background operation support
🔧 Utilities
(56)
free with in-app purchases
17
Interval Timer ++
Interval Timer ++
Interval Timer ++
HIIT & circuit workout timer
Free

This app provides a customizable interval timer for high-intensity interval training (HIIT) and circuit workouts. Easily set up work, rest, and repeat intervals, track your progress, and integrate with your health data. Enjoy your workouts with background music and notifications.

Customizable work/rest/repeat intervalsSupports iPhone and Apple WatchWorkout history in calendar view
💪 Health & Fitness
(15K)
free with in-app purchases
18
Interval Timer □ HIIT Timer
Interval Timer □ HIIT Timer
Interval Timer □ HIIT Timer
The simple workout timer.
Free

Create custom workout timers with adjustable intervals for exercise and rest. Track your progress with detailed history and statistics, and repeat past workouts easily. Enjoy audio cues without interrupting your music.

Customizable intervalsWorkout and rest timersVoice or beep guides
💪 Health & Fitness
(83K)
freemium
19
Stand Up! The Work Break Timer
Stand Up! The Work Break Timer
Stand Up! The Work Break Timer
We want you to live longer
Free

This app helps you live longer by reminding you to take regular work breaks. It's customizable to your schedule and offers features like setting stand-up durations and tracking your break history. Ideal for those concerned about sedentary lifestyles or suffering from RSI.

Customizable reminder intervalsSet stand-up duration timers7-day break history tracking
💪 Health & Fitness
(4.2K)
free with in-app purchases
20
MultiTimer: Multiple timers
MultiTimer: Multiple timers
MultiTimer: Multiple timers
Visual countdown seconds timer
Free

Manage multiple countdowns and count-ups simultaneously with customizable timers for any task. Organize your time with flexible layouts, personalized alerts, and easy sharing options. Optimize productivity for work, study, or daily activities.

Multiple timer creationCustomizable layoutsPersonalized labels, colors, icons
🔧 Utilities
(16K)
free with in-app purchases