OneTimeAlarm

9 Downloads 22 Views v1.2 2.21 MB 4.1+

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(2.21 MB)

Editor's Overview

OneTimeAlarm is a alarm clock application developed by matdlu, packaged as a single Android APK of version 1.2 weighing in at 2.21 MB. The package targets Android 4.1+ and above. Below you'll find the publisher's own description, a quick spec sheet, and a short buyer-beware checklist so you know exactly what you're installing before tapping download.

Install Checklist

Only download through the button on this page — never from third-party mirrors or shortened links, which are the most common way malware spreads.
File size is a light 2.21 MB, so it installs quickly even on modest connections.
This build is signed by "matdlu" — always verify the developer name matches what's listed on the app's official store page before installing an update.
After install, Android may prompt you to allow "Install from unknown sources" — approve only this one install, then revoke the permission in Settings > Apps > Special access.
We link directly to the APK file or the publisher's repository; we do not modify the binary. Always run a virus scan after any sideloaded install.

About this app

The use case for this app is creating reminders which are only relevant once in a time and they don't repeat such as reminders to go to the train on 15:30.
Using standard alarm app I had a lot of alarms which then I had to delete manually to avoid clutter.
Using the standard calendar event notifications were not loud enough so I could forget about them if I didn't have my phone nearby.
This app solves this use case. After alarm is fired it is deleted, it doesn't have to be deleted manually as in normal alarm application.

READ BEFORE USE!
In this app it's only possible to set alarms which don't repeat and only for today or tomorrow!
Don't expect this app to be used as a replacement for your standard alarm app or calendar!
It's a different type of application! It is not a calendar or standard alarm clock app.

Details

Version	v1.2
Size	2.21 MB
Developer	matdlu
Category	Alarm Clock
Package	pl.ascendit.onetimealarm
Android	4.1+
Last Updated	Oct 29, 2026
Downloads	9

Frequently Asked Questions

Is OneTimeAlarm free to download?
Yes. The APK file linked from this page is free. The developer may offer in-app purchases once installed, but obtaining the installer itself costs nothing.

What Android version does OneTimeAlarm require?
Android 4.1+ or newer. Installing on older devices may cause crashes or refuse to install.

Is OneTimeAlarm safe to install?
We link to the exact APK published by matdlu. We do not modify the file. Still, as with any sideloaded app, scan it with a reputable antivirus before opening it, and only grant permissions the app genuinely needs.

How do I update OneTimeAlarm?
Install the newer version on top of the old one — Android will keep your data. If the signature differs, uninstall first (you may lose local progress).

Why is the app not installing?
Common causes: not enough storage, an older Android version than 4.1+, or a conflicting build already installed. Free up space, check your OS version, and uninstall any previous copy before retrying.

How to Download & Install OneTimeAlarm

Tap the Download APK button above and save the file to your device.
Open your device Settings → Security (or Apps → Special access → Install unknown apps) and allow your file manager or browser to install unknown apps for this one file only.
Open the downloaded pl.ascendit.onetimealarm.apk file from your Downloads folder.
Tap Install and wait for Android to finish.
Open «OneTimeAlarm» by matdlu and grant only the permissions it actually needs.
Revoke the "unknown sources" permission once you are done installing.

Note: this page hosts or links to the installer only. The application name, icon and description are provided for identification. All trademarks belong to their respective owners.