Best 555 Timer & Oscillators Guide Apps

248+ iOS apps curated and reviewed

4.3 avg rating

18 free apps

Updated November 2026

With an average user rating of 4.3★, the 555 timer & oscillators guide category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top 555 Timer & Oscillators Guide Apps (November 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	555 Timer & Oscillators Guide	Free	—	No	No	Nov 2026
2	555 Timer & Oscillators Pro	$4.99	—	No	No	Nov 2026
3	Timer ٞ	Free	4.4★ (1.2K)	Yes	No	Nov 2026
4	Timer - Minimal Timer	Free	4.4★ (471)	No	Yes	Oct 2026
5	Live Timers on Lock Screen	Free	5.0★ (5)	No	Yes	Nov 2026
6	timer. - Multi Countdown Timer	Free	4.3★ (171)	No	Yes	Oct 2026
7	Performance Timer	Free	4.5★ (63)	No	No	Oct 2026
8	(Not Boring) Timer	Free	4.8★ (2.8K)	No	Yes	Nov 2026

Top Picks for 555 Timer & Oscillators Guide

#1

555 Timer & Oscillators Guide by ALG Software Lab

Timer & Oscillator Toolkit

Editor's Choice

0.0(0 ratings)

Free

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#2

555 Timer & Oscillators Pro by ALG Software Lab

Timer & Oscillators Toolkit

Strong Contender

0.0(0 ratings)

$4.99

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#3

Timer ٞ by UniCom Technology

Kitchen cooking alarm

Worth Considering

4.4😞(1.2K ratings)

FreeAds

Timer ٞ screenshot 1

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This application provides a clean, simple, and reliable timer for various timing needs, including cooking, sports, and work. It offers seamless integration with Apple Watch and Today Widgets, allowing for synchronized control and notifications.

What We Love

👍 Well designed app
💡 Wish it could be a widget for lock screen
👍 Simple elegant design
🚀 Good timer app

Room to Improve

🐛 Skips a second
🔕 No sound or notification when timer ends
🔕 Alarm sound too weak
🔕 No sound when screen is locked
🔕 Alarm sound changed to annoying noise
📺 Inappropriate ads on screen
🚫 Can't get rid of ads

More 555 Timer & Oscillators Guide apps to explore

Timer - Minimal Timer

Timer - Minimal Timer

Timer - Minimal Timer

Do more with less

This app offers a simple and intuitive way to manage your time for various activities. Set custom timers, utilize quick presets, and adjust alarm volumes to suit your needs. Stay on track with home screen widgets and an optional ambient ticking sound.

Easy timer settingCustomizable presetsAdjustable alarm volume

📊 Productivity

Live Timers on Lock Screen

Live Timers on Lock Screen

Live Timers on Lock Screen

Multi Countdown, Talking Alarm

Easily manage multiple countdowns and alarms directly from your iPhone's Lock Screen. Get at-a-glance updates with color-coded timers and spoken alerts, eliminating the need to unlock your device. Customize sounds and notes for each timer.

Multiple timers on Lock ScreenColor-coded timer identificationSpoken alerts for timer completion

free with in-app purchases

timer. - Multi Countdown Timer

timer. - Multi Countdown Timer

timer. - Multi Countdown Timer

Live Activities / Widget Timer

Manage multiple countdown timers simultaneously with this intuitive app. Set custom names, sounds, and even use your own music for alarms. Access timers easily via widgets, Apple Watch, and Live Activities.

Multiple simultaneous timersCustomizable names and alarm soundsBackground timer operation

free with in-app purchases

Performance Timer

Performance Timer

Performance Timer

by Andrew Schweig

A large-display countdown timer for monitoring presentations or performances. It visually indicates time overruns by turning red and counting up, without audible alarms. Easily set for durations between 1 and 99 minutes.

Large display countdown timerVisual time overrun indicator (red count-up)No audible alarm

(Not Boring) Timer

(Not Boring) Timer

(Not Boring) Timer

Loud, Readable & Not Boring

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

free with in-app purchases

Interval Timer Plus

Interval Timer Plus

Interval Timer Plus

Simple interval timer

This versatile timer app offers a simple yet powerful way to manage timed activities. Customize multiple intervals with individual colors and sounds, and save them as presets for quick access. It's designed for ease of use and visibility, even from a distance, and works seamlessly in the background.

Customizable intervalsNamed intervals with voice readoutIndividual colors and sounds

💪 Health & Fitness

free with in-app purchases

by Julien Cohen-Adad

by Tim O's Studios, LLC

A straightforward timer app with a large display and two prominent buttons for easy operation. Enjoy a minimalist user experience designed for quick and simple timing needs.

Large displayTwo-button operationSimple design

Countdown clock timer

This app provides a reliable and accurate countdown timer with customizable alerts and a user-friendly interface. Personalize your timer with different colors and alarm sounds to suit any situation, from cooking to workouts.

Customizable colorsAlarm sound selectionUser-friendly interface

Measure and visualize time

This app offers a versatile suite of timekeeping tools, including a sand timer, kitchen timer, countdown, and stopwatch. It visually represents time, making it easy to understand for all ages, and provides customizable alarm sounds and color themes.

Digitized sand timer with artistic designKitchen timer with visual minute indicatorFuturistic countdown/count up timer

Timer - Countdown memos

Timer - Countdown memos

Timer - Countdown memos

Stopwatch timer

Interval - Simple Timer

Interval - Simple Timer

Interval - Simple Timer

by Alex Beltyukov

This app helps you structure your workouts with customizable interval timers. Set work and rest periods, and repeat cycles for your training sessions.

Customizable countdownWork interval settingRest interval setting

💪 Health & Fitness

Timer-Kitchen timer&Stopwatch

Timer-Kitchen timer&Stopwatch

Timer-Kitchen timer&Stopwatch

Kitchen timer & Stopwatch

This utility app provides a simple and stylish timer and stopwatch. It offers background notifications, customizable themes and alarm sounds, and vibration options. An optional plugin can remove ads.

Background timer notificationsSelectable theme colorsSelectable alarm sounds

free with in-app purchases

Usual Timer for Widget

Usual Timer for Widget

Usual Timer for Widget

Fast Multiple Countdown Timer

Easily set and manage multiple countdown timers with minimal interaction. Save frequently used timers for cooking, studying, or gaming, and launch them instantly from a widget. Receive sound and vibration alerts when a timer finishes.

Set multiple timersStart timers from widgetSave usual timers

free with in-app purchases

Aesthetic Timer

Aesthetic Timer

Aesthetic Timer

Make focus & study more fun

This app offers a stylish and simple timer to enhance everyday time management. It's designed to make activities like studying, working, or cooking more enjoyable with its cheerful interface. Set custom countdowns and receive notifications even when the app is in the background.

Aesthetic and cheerful designSimple and easy-to-use controlsCustomizable countdown times

free with in-app purchases

Multitimer, Interval, Pomodoro

This app provides versatile timer options for repeating tasks, intervals, or standard countdowns. It offers multiple timers simultaneously and integrates with Apple Watch and home screen widgets for convenient control. Alerts are designed to be reliable, even with silent mode enabled.

Multiple timer types (Repeat, Interval, Standard)Run several timers simultaneouslyApple Watch app and complications

free with in-app purchases

Simple, Easy-to-Use Clock

This all-in-one clock app offers customizable alarms, timers, and stopwatches in a clean interface. It features privacy-friendly headphone-only alarms and advanced scheduling options. Personalize themes, fonts, and time displays for a tailored experience.

Unlimited customizable alarmsMultiple simultaneous timersPrecise stopwatch with lap times

free with in-app purchases

FAQ about 555 Timer & Oscillators Guide

Are there free 555 timer & oscillators guide apps for iPhone?

Yes — 18 of the top 555 timer & oscillators guide apps we rank are free to download, including 555 Timer & Oscillators Guide and Timer ٞ.

Does 555 Timer & Oscillators Guide have ads or in-app purchases?

555 Timer & Oscillators Guide has no ads and has no in-app purchases, according to its App Store listing as of November 2026.

How many 555 timer & oscillators guide apps are on the App Store?

We track 248+ 555 timer & oscillators guide apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.