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AI · alternatives · 2026

24 alternatives to I built an Android OS in the browser

MobileGym is a verifiable and highly parallel simulation platform for mobile GUI agent research — programmatic state verification, structured state snapshots, identical-state replication, and scalable online RL across 28 mobile apps.

I built an Android OS in the browser is a web-based recreation of Android OS that runs entirely in a browser window. Launched in May 2026, it appeals to developers, tech enthusiasts, and anyone curious about operating… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    A framework for building mobile cross-platform UIs

    2017 · incubator.apache.org · its alternatives →

  2. 2

    The guide for building large, iOS, and Android native apps - with the challenges and common solutions across the industry.

    2021 · mobileatscale.com · its alternatives →

  3. 3

    The world’s development platform, in your pocket

    2019 · github.com · its alternatives →

  4. 4

    Create React Native, cross-platform mobile apps easily

    2017 · shoutem.com · its alternatives →

  5. 5
    Droidrun▲383

    Give AI native control of physical & virtual phones.

    2025 · droidrun.ai · its alternatives →

  6. 6

    An alternative android OS

    2013 · jolla.com · its alternatives →

  7. 7

    Hi HN! Erik here from Pig.dev, and today I'd like to share a new project we've just open sourced: Muscle Mem is an SDK that records your agent's tool-calling patterns as it solves tasks, and will deterministically replay those learned trajectories whenever the task is encountered again, falling back to agent mode if edge cases are detected. Like a JIT compiler, for behaviors. At Pig, we built computer-use agents for automating legacy Windows applications (healthcare, lending, manufacturing, etc). A recurring theme we ran into was that businesses already had RPA (pure-software scripts), and…

    2025 · github.com · its alternatives →

  8. 8

    UI framework for building awesome hybrid mobile apps

    2014 · appgyver.com · its alternatives →

  9. 9WE

    Browser LLM demo working on JavaScript and WebGPU. WebGPU is already supported in Chrome, Safari, Firefox, iOS (v26) and Android. Demo, similar to ChatGPT https://andreinwald.github.io/browser-llm/ Code https://github.com/andreinwald/browser-llm - No need to use your OPENAI_API_KEY - its local model that runs on your device - No network requests to any API - No need to install any program - No need to download files on your device (model is cached in browser) - Site will ask before downloading large files (llm model) to browser cache - Hosted on Github…

    2025 · andreinwald.github.io · its alternatives →

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  11. 11
    Proto.io▲135

    Fast, fully-interactive, high-fidelity mobile prototypes

    2014 · proto.io · its alternatives →

  12. 12

    Unblock your teams with instant, secure online access to cloud-based mobile devices with Android emulators and iOS simulators, directly in your web browser.

    2014 · appetize.io · its alternatives →

  13. 13

    Lightweight, fast, material & full-featured web browser

    2023 · mrepol742.github.io · its alternatives →

  14. 14

    Hi everyone, I've just released the public repository of RebootX On-Prem (https://github.com/c100k/rebootx-on-prem), letting anyone to connect and manage their infra on their smartphone. In my case the infra is pretty simple : 3 Raspberry Pi. But I'd love to have your feedback and see interesting use cases you could use this for. I have lots of ideas for the next steps. For example, creating a Prometheus integration as well. Looking forward to hearing from you and I would be glad to help if you encounter any issue getting started with the repo.

    2024 · github.com · its alternatives →

  15. 15

    Build 100% native mobile apps with no-code

    2020 · its alternatives →

  16. 16

    An easier way to create mobile apps

    2014 · ionic.io · its alternatives →

  17. 17

    Check out this impressive project that enables running LLMs entirely in the browser using WebGPU. Key features: - Zero token costs, no cloud infrastructure required - Complete data privacy through local processing - Simple 3-line code integration - Built on MLC and Transformer.js The benchmarks show smaller models can effectively handle many common tasks. Currently the project roadmap includes: - No-code AI pipeline builder - Browser-based RAG for document chat - Analytics/logging - Model fine-tuning interface

    2025 · github.com · its alternatives →

  18. 18

    Android device management, simplified

    2021 · applivery.com · its alternatives →

  19. 19

    Our mobile browser's battery optimised AI will secure BYOD

    2025 · wootz.app · its alternatives →

  20. 20

    Randomly got inspired yesterday seeing SmolVLM working on WebGPU and had the silly idea for this project. it's not perfect and super limited because of the current limitations of WebML (and admittedly, because I suck at prompting, but that's why it's Open Source haha) but it is 1.5B WORTH OF AI (SmolVLM 500M and LLama 3.2 1B) working RIGHT IN YOUR BROWSER with you not having to install anything! In fact, the whole thing is actually just an index.html that you can install and even use directly! It might be a little bit slow on first try (takes about 3 mins) when it installs models, but it…

    2025 · asianmom.kuber.studio · its alternatives →

  21. 21
    Synclet▲70

    An Android IDE running in your browser

    2020 · synclet.com · its alternatives →

  22. 22

    The standard AI energy debate compares server-side LLM inference to a server-side Google query. I think this misses most of what actually happens on a mobile device during a real search session. I built a parametric model of the full end-to-end mobile search session: 4G/5G radio energy, SoC rendering cost for a 2.5MB page, programmatic advertising RTB auctions running in the background, and network transmission costs for both sides. Then compared it to an equivalent LLM session. Main finding across 10,000 Monte Carlo draws: on mobile, a standard LLM session uses on average 5.4x less…

    Apr 2026 · dupr.at · its alternatives →

  23. 23DF

    Introducing Dashwave Public Beta! Hello, I am Supratik Das, Co-founder, and CTO at Dashwave. I am thrilled to announce the launch of Dashwave, a powerful cloud build and emulation tool for fast and collaborative Android development. It supports all major Android languages/frameworks: Java, Kotlin, React Native and Flutter. Why Dashwave? - The Problem Android developers often struggle with insanely long build times and resource-intensive emulation sessions. They work in close collaboration with product stakeholders and rely on WIP feedback. Since builds, and feedback are slow, this leads…

    2024 · dashwave.io · its alternatives →

  24. 24JA

    We are very excited to introduce JungleGym, our new open-source launch featuring datasets and tools for developing autonomous web agents, by Marco Mascorro and Matt Bornstein. Addressing the challenge of benchmarking and testing AI agents, JungleGym aims to facilitate builders in this domain. Project overview: https://junglegym.ai/ Live demo: https://junglegym.ai/TreeVoyager%20(LLM%20DOM%20Parser) GitHub: https://github.com/a16z-infra/JungleGym Datasets included: Mind2Web (Zhou et al.), WebArena (Shuyanzhxyc, Frankxu2004, _Hao_Zhu et al.),…

    2023 · junglegym.ai · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →