Best OnTimer alternatives: apps like OnTimer - Never be late

10+ similar apps compared and reviewed

4.4 avg rating

9 free apps

Updated October 2026

OnTimer - Never be late

Ethan Garr

🔧 Utilities

📊 Productivity

Whether you want more options like OnTimer or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

KobCard by KOB MARKETING

Gift Card Information Platform

📊 Productivity

4.0(62 ratings)

Free

KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

Top Alternatives to OnTimer

Unmissable: Calendar Alarm by Remi Herbiet

Appointment Reminders & Alarms

Editor's Choice

📊 Productivity

3.0(1 ratings)

FreeIn-App Purchases

This app transforms your calendar events into audible system alarms, ensuring you never miss important appointments. It offers customizable alarm settings, live countdowns on your lock screen, and a private, ad-free experience with a one-time purchase.

Calalarm Calendar by Devart B.V.

Calendar with nagging alerts

Strong Contender

📊 Productivity

4.5(312 ratings)

FreeIn-App Purchases

This calendar app offers a unique snooze and nag feature to ensure you never miss appointments. It provides multiple views, syncs with various services, and allows for customizable alerts and event management.

Cal2Alarm: Alarm from Calendar by Leo Apps LLC

Canvas deadlines & GCal alarms

Worth Considering

📊 Productivity

5.0(3 ratings)

Free

Cal2Alarm: Alarm from Calendar screenshot 1

Cal2Alarm: Alarm from Calendar screenshot 2

Cal2Alarm: Alarm from Calendar screenshot 3

Cal2Alarm: Alarm from Calendar screenshot 4

Cal2Alarm: Alarm from Calendar screenshot 5

Cal2Alarm: Alarm from Calendar screenshot 6

This app transforms your calendar events into persistent alarms, ensuring you never miss deadlines or appointments. It integrates with Google Calendar and Canvas LMS, providing system-level alerts that ring until dismissed, even in silent or focus modes.

More apps like OnTimer

Calendar Alarm

Never miss a meeting again

Free

This app sets native iOS alarms before your calendar events, ensuring you never miss important meetings. It rings loudly even on silent mode, offering customizable offsets and a clean interface for easy event management.

Native iOS alarmsRings on silent modeMultiple alarms per event

Alarm Reminders: Cannot Ignore

Loud calendar & event alerts

Free

This app provides critical, unmissable alarms that take over your entire screen. It allows custom sounds, integrates with your calendar and reminders, and offers instant access to links for important events.

Full-screen alarmsCustom audio filesCalendar and reminder integration

Meeting Alarms: Calerto

Calendar Alarms for Meetings

Free

This app provides alarm-style reminders for your calendar events, ensuring you never miss an important meeting. It offers customizable alert times and reliable notifications designed to enhance focus and productivity for busy individuals.

Alarm-style reminders for calendar eventsEasy calendar integrationCustomizable alert times

Galarm - Alarms and Reminders

Never Miss Anything!

Free

This app is a social alarm clock that lets you create and share alarms and reminders with contacts. It functions as a daily planner, allowing efficient task management and group event coordination. Features include flexible repetition, personal and group alarms, and a unified notification tab.

Create and share alarms with contactsFlexible alarm repetition optionsPersonal and group alarm functionality

📊 Productivity

(4.5K)

free with in-app purchases

Compare with OnTimer

Due - Reminders & Timers

Never Forget Anything Again

$7.99

This app helps you remember everything you need to do with persistent, effective reminders. It offers fast setup and postponement options, natural language parsing for dates and times, and countdown timers. Keep your tasks in sync across devices and enjoy offline functionality with complete privacy.

Persistent and effective remindersFast reminder setup and postponementNatural date and time parsing

📊 Productivity

(2.8K)

free with in-app purchases

Compare with OnTimer

Morgen Calendar & Planner

Calendars & Tasks in one app

Free

This app consolidates your calendars and tasks into a single, powerful productivity tool. Schedule meetings, manage to-dos, share your availability, and join virtual calls seamlessly, all from your mobile device. It syncs with your existing calendars and task managers for a unified workflow.

Consolidate all calendarsManage and schedule tasksShare scheduling links

📊 Productivity

(214)

free with in-app purchases

Compare with OnTimer

OpenClaw

Personal AI on your devices

Free

This personal AI assistant runs locally on your devices. Pair it with your OpenClaw Gateway to chat, use voice commands, manage approvals, and automate tasks using your iPhone's capabilities securely.

Local-first AI assistantSecure device pairingChat and voice modes