GETADEV.

Your data stays yours.

An AI assistant that keeps your chats and files on your own device. Ask questions, get answers from your documents, and search the web.

Download on the App Storeaitopus.com

FreeMac, iPhone and iPadWindows and Android coming soon

Aitopus on a Mac, answering a question about a service contract with quotes from the attached PDF and the page each one is on.
Aitopus on iPhone, answering a question about a funding spreadsheet.
01

Ask your documents. See the sources.

Add a PDF, Word, Excel or PowerPoint file and ask your question. Aitopus quotes the exact words and the page they’re on, so you can check. Your documents are processed on your device.

Aitopus on iPhone: a contract PDF attached to a question, and the start of an answer quoting its clauses.
Your question
Aitopus on iPhone in light mode, quoting contract clauses with their section and page numbers.
The answer, with sources
02

Works offline.

Download a model once and use it anywhere, even on a plane. Aitopus shows which models run well on your device.

The list of AI models you can download in Aitopus, including Gemma, IBM Granite and Qwen.
03

Cloud models, when you need more.

Connect OpenAI, Anthropic, Google and other providers with your own API key, and switch models at any point in a chat.

The Aitopus model picker on its Cloud tab, listing models from Z.AI, Anthropic, Mistral and xAI.
04

Answers your way.

Choose short or long answers, edit a message to try again, and export your chats as a backup.

Aitopus settings for how much of the conversation the AI remembers and how long its answers are.
What’s new

New in Aitopus.

The latest update brings voice dictation, web search with sources and new models.

  • Voice dictationSpeak your message, check the text, then send. Speech recognition runs on your device.
  • Web search with sourcesGet up-to-date answers, with links to the pages they came from.
  • Better document answersAitopus reads PDFs more accurately and keeps them in mind when you ask a follow-up question.
  • Models that fit your deviceAitopus estimates which models your Mac, iPhone or iPad can run well before you download them.
  • New modelsIncluding GPT-6, Claude Opus 5.5, Grok 4.7, Granite 4.2, Muse Glimmer and Nemotron 3.5.
Privacy

Private by default. Online by choice.

Your chats and documents stay on your device. If you use a cloud model, your messages go to its provider, such as OpenAI. Web search sends your query to a search service. Nothing leaves your device unless you choose to.

Read the privacy policy
  • No accountDownload it and start. Nothing to sign up for.
  • No trackingWe don’t collect any data about you or how you use the app.
  • Stays on your deviceYour chat history isn’t stored on any server. Export a backup whenever you like.
  • Your API keys stay safeThey’re kept in your device’s secure storage.
Pricing

Free. No subscription.

Aitopus is free, and the core app will stay free. There are no ads. If you use cloud models, your provider may charge you for what you use.

Available for
Mac, iPhone and iPad. Windows and Android coming soon.
Works on
Macs with an M1 chip or newer on macOS 26, and iPhone or iPad on iOS 26.5
Languages
English, French, German, Spanish, Italian, Portuguese, Greek and Turkish
Made by GETADEV

Aitopus is one of our own apps.
We build for businesses, too.

We build AI features like these into software for companies, and help keep their data where it belongs.

Discuss a project See what we build