Useful Android and iPhone apps

Material Files

Browse Android folders, inspect file properties and work with archives or network storage.

By Hai Zhang

Metronome

Set a tempo, build rhythms, save practice scenes, and adjust playback effects with Metronome for Android.

By Michael Moessner

micro Mathematics

Build calculation worksheets and inspect two-dimensional function plots with the free micro Mathematics app for Android.

By Mikhail Kulesh

MJ PDF

Read PDFs, highlight text, fill forms, and organize document folders with MJ PDF for Android.

By mudlej

Moodle

Read course materials, check grades and submit activities from an enabled Moodle learning site on Android or iPhone.

By Moodle Pty Ltd.

mpv-android

Play local videos, use styled subtitles, and adjust decoding or rendering with mpv-android.

By Prismriver Media

Native Alpha

Open websites in full-screen Android windows, add home-screen shortcuts and choose separate settings for each site.

By Cylonid Apps

Next Player

Play local videos on Android with folder browsing, playback-speed controls, subtitles and picture in picture.

By Anil Kumar Beesetti

Nextcloud Files

Access cloud files, upload phone photos, and keep selected documents offline with Nextcloud Files for Android and iPhone.

By Nextcloud

Nextcloud Notes

Create, search, and organize Markdown notes from your Nextcloud account with Nextcloud Notes for Android.

By Nextcloud

Nextcloud Talk

Make voice and video calls, join group conversations, and exchange messages through your Nextcloud server with Nextcloud Talk.

By Nextcloud

Notally

Keep short notes and lists with labels, reminders and export options on Android.

By Om Godse

NotallyX

Create Android notes and nested lists with formatting, labels and reminders.

By Crustack

Notesnook

Write notes and sync them across devices with a free plan and optional paid upgrades.

By Streetwriters (Private) Limited

Noto

Organize local notes into folders, filter them with labels, and protect selected folders in Noto's vault.

By Ali Albaali

OpenHIIT

Create and save workout interval timers with exercise labels, rest periods, and sound cues in OpenHIIT for Android and iPhone.

By Code Pup

OpenNutriTracker

Keep a food diary and review logged calories, nutrients and activities on your phone.

By simonO

openScale light

Keep weight and body-measurement records, view trends, and connect supported Bluetooth scales with openScale for Android.

By olie.xdeveloper

OpenScan

Scan paper documents, crop page edges and share PDF or JPG files from Android.

By Ethereal Developers

Organic Maps

Download maps for walking, cycling, driving and public transport routes on Android and iPhone.

By Organic Maps

Orgzly Revived

Organize nested notes and tasks in Org-format notebooks on Android.

By Orgzly Community

Orion Browser

Browse on iPhone and iPad with tab groups, built-in ad and tracker blocking, and a customizable toolbar.

By Kagi Inc.

OSMTracker for Android

Record GPS tracks and mark places with notes, photos, or voice recordings using OSMTracker for Android.

By Laboratorio Experimental

OSS Dict

Look up words in local dictionary files, bookmark entries, and read articles offline with OSS Dict for Android.

By Akylas