Android apps & phone tools: top picks for 2026

Open-source backend platform for building apps, with Auth, Databases, Storage, Functions, Messaging, Realtime and Hosting, self-hostable via Docker.

An open-source framework for building universal native apps with React that run on Android, iOS, and the web.

Qt-based desktop client for displaying and controlling Android devices over USB or Wi-Fi, without root or installing anything on the device.

An Android app that downloads apps and applies ReVanced patches to customize them, built on ReVanced Patcher.

Android app manager that installs and updates apps directly from their GitHub, GitLab, F-Droid and other release sources.

A cross-platform app store that lets you discover and install apps released on GitHub, Codeberg and other Forgejo or Gitea forges.

Python framework for building web, desktop and mobile apps with a Flutter-based UI, no frontend experience needed.

An Android image editor app with dozens of tools, from crop and draw to 500+ filters, OCR, background removal, and PDF tools.

A free, open source Android authenticator app that generates HOTP and TOTP two-factor codes and keeps them in an encrypted vault.

Natural-language driven Android automation for AI coding assistants and test suites, running on real phones or emulators.

A graphical desktop GUI for scrcpy that mirrors and controls Android devices on Windows, macOS and Linux.

Android app that runs PC games from your Steam, Epic, GOG and Amazon libraries locally, with cloud saves between phone and PC.

An end-to-end testing framework for web and mobile apps that lets you describe test goals in natural language and drive the app with an agent.

An MCP server that lets AI agents and LLMs automate iOS and Android apps on simulators, emulators and real devices.

A collection of markdown skill files that ground AI agents in Android development best practices, installable via the Android CLI.

A Flutter app for monitoring Linux, Unix and Windows server status and managing servers over SSH from iOS, Android, macOS and other platforms.

A chat decision assistant that reads the conversation, judges intent and risk, and drafts replies you send yourself on Android, Windows, macOS and iOS.

A free, open-source Android app that turns your phone into a self-hosted web dashboard for managing files, messages, calls, media and screen over your local network.

An on-device Android app that turns websites, HTML projects, and Node.js, PHP, Python, Go or WordPress sites into signed APKs, built entirely on the phone.

A Python command-line tool that decompiles Android APK files with jadx and scans them for URLs, endpoints and hardcoded secrets.

Turns your Android phone into an SMS gateway, letting you send and receive text messages through a simple HTTP API.

Turns an Android phone into an SMS gateway, letting you send and receive SMS and MMS through a local or cloud API.

An open-source, free AI agent app for iOS and Android that gives models like Claude and GPT a sandboxed Linux shell, browser automation and device tools.

An open-source multi-system retro game emulator for Android, built on Libretro cores, covering consoles from NES to PSP and 3DS.

Turns an Android or iPhone into a high-quality PC microphone over Wi-Fi, USB, or a browser, with a Windows, Linux, and macOS desktop server.

A rootless Android app that boots a real Alpine Linux VM so you can run Podman, Docker, LXC containers and X11 GUI apps on your phone.

A TypeScript re-implementation of the ADB client that runs in Chromium browsers, Node.js and Electron, connecting to Android devices over WebUSB.

Open-source password manager built with Flutter for mobile, desktop and web, compatible with KeePass 2.x KDBX 3 and KDBX 4 databases.

Free, open-source calorie and macro tracker for Android and iOS that keeps your food diary on your phone with no account required.

A React Native line graph and chart component built on Skia, with animations, cubic bezier edges and touch scrubbing.

Open-source Android and iOS app for scanning documents into PDFs with OCR, built with NativeScript, OpenCV and Tesseract.

Android and iOS app that scans Bluetooth LE advertisements and alerts you when smart glasses from known manufacturers are nearby.

A cross-platform C++ image and video filter library that runs on OpenGL/ES, with beauty and face-based effects.

An Android VNC server that lets you view and control an Android device remotely, without root access, on Android 7 and newer.

A text and code editor for Android with syntax highlighting, LSP code intelligence, a built-in terminal, and extensions.

Android firewall that blocks per-app network access without using a VPN, driven by Shizuku, LibADB or root.

Open-source, cross-platform note-taking app with an endless canvas for mixing handwriting, text, Markdown, shapes, images and PDFs.

Android app that screens incoming calls and SMS notifications, blocking spam using filters, contacts, spam databases and local AI.

Sideband is an LXMF messaging and LXST voice client for Android, Linux, macOS and Windows that runs over Reticulum networks such as LoRa, packet radio, WiFi and I2P.

Open-source, privacy-first analytics for mobile, desktop and web apps, offered as an alternative to Firebase and Google Analytics.

Installs and runs the OpenClaw AI agent platform on Android directly in Termux, using only the glibc dynamic linker instead of a full proot Linux distribution.

A local, offline file converter for Android that handles video, audio, image, PDF, Office, font and subtitle conversion on the device without uploads.

Turns an Android phone into a PC microphone over WiFi, USB Serial, or USB ADB, with a virtual audio cable on the PC side.

An Android active noise cancellation engine in Kotlin that detects low-frequency hums with FFT and plays phase-inverted audio to cancel them.

Table Habit is a free, open-source Flutter habit tracker for micro habits, with WebDAV sync and offline-first storage.

An Android app that scans nearby Bluetooth Low Energy devices, tracks them over time, and alerts you to suspicious or following devices.

Open-source Android authenticator app from 2FAS that generates TOTP and HOTP one-time codes for two-factor login.

Mirror iPhone and iPad screens and audio to Windows over USB or AirPlay, with OBS output and multiple devices.

An offline-first, privacy-focused reader for PDF, EPUB, comics and other documents on Android, Linux and Windows, built with Kotlin Multiplatform.

Offline, zero-permission Android file viewer for PDF, Word, Excel, PowerPoint, photos, video, audio, Markdown, code and ZIP archives.

A GTK Linux client for Google's Quick Share protocol, for sending and receiving files wirelessly with Android devices.

An open-source, ad-free, minimalist class timetable app for Chinese university students, with timetable import from academic affairs systems.

Android app for tracking network and data usage, including per-SIM data plan monitoring, widgets and a status bar indicator, with a focus on privacy.

Detects faces in photos on Android or in the browser and covers them with emoji or blur, processing everything offline.

Turns spare Android phones into LAN network cameras, with a PC-side Flask dashboard for live MJPEG preview, recording, and optional AI-triggered analysis.

Windows desktop app for Python-based ADB control of Android TV boxes: debloat, sideload APKs, and set up a custom launcher.

A simple, clean compass app for Android with magnetic and true north modes and a sighting mode.

Offline, privacy-first PDF toolkit for Android that merges, splits, compresses, converts, signs and annotates PDFs entirely on-device.

A desktop GUI for Android app testing with ADB, supporting Windows and macOS, with device listing, shell commands, text input, screenshots and virtual displays.

Automate real Android phones from your code for app testing, repeated tasks, phone farms, or AI agents, with no ADB, USB cable or root.