Best Free Mobile OS

Ranked by community votes · Free only

All Free Freemium Paid Open Source

WinStars

Free planetarium software for Windows, Android, and Linux

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F-Droid

Free and open-source Android app repository

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PPSSPP

Play PSP games on Android, iOS, Windows, and more with enhanced graphics

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Tomato Timer

Web-based Pomodoro Technique app with customizable timer and to-do list

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Farha

Collect your heart's desires, share them with loved ones, and turn every gift into a meaningful memory

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OneShots

Create App Store screenshots with OneShots

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Software Mansion

Free & Open Source Modern URL Shortener

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Compendium

The complete MTG companion

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GitSetGo

30 levels of real git, mentored by Mr

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SIMT | Plan, Track & Measure Offline

SIMT is a free, offline-first spatial toolkit for Android and Wear OS: plan targets, track beyond GPS, measure with AR, use survey-grade GNSS, share locally, and explore the sky in private

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FamWake Family Alarm Clock

No queues for the bathroom, no stress – FamWake coordinates your morning

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Lift5x5

Track your StrongLifts 5x5 workouts with automatic weight progression, deloads, rest timer, and plate calculator

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Airway Trainer

Airway Trainer is a snoring exercise app rated 4

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Family Radar

Family location tracking app with real-time maps, smart places, and activity timelines

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Show Me the Counts

Break songs into moments

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Bygmind

Der private AI Recorder für iOS & Android: Aufnehmen, Transkription in 25 Sprachen und Sprechererkennung komplett auf deinem Gerät

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SneakersBook

The free sneaker collection tracker: scan any pair to add it in seconds, see estimated market values, set price alerts, and never miss a drop

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LanChGo

LanChGo is a fast, secure LAN chat app for Windows and Android

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MAIG

The AI backend for iOS and Android

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Norwegian 4x4 Protocol App

Official Norwegian 4x4 Protocol app for iOS & Android

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Not a Clock | Stay Zen, Stay Focused

The ultimate minimalist clock for your digital workspace and Android home screen

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WonderWay

Personalized, ad-free bedtime stories where your child is the hero — plus a learning dashboard that shows exactly what they're learning

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Universal Undo

Stop retyping lost replies, drafts, notes, and forms

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BetaDrop

Give any iOS or Android build an instant OTA install link

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MoneyMinder

Free expense tracker for iOS & Android

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CarpMarks

CarpMarks is the carp fishing app for serious anglers

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Shera Quick File Transfer

Shera: The universal AirDrop alternative for Android, Windows, Mac, and iOS

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MapVault — Save places you love

Save place recommendations on a map

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TesterBuddy

Recruit beta testers on iOS, Android, and web

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Vossa

Scan receipts & add expenses by voice

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DogEar

Rediscover your books

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EMATECHNOAPP

App gestione clienti e schedario digitale professionale

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TickTappy

Simple time tracking that just works

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ScrollBump - iOS Doomscroll Break App

Break your doomscrolling habit

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ZenDump — You'll forget this by lunch.

Dump your messy thoughts in one breath

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Cua

Scale Linux, Windows, macOS, and Android computer fleets for computer-use agents with one open-source MCP/CLI driver