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Ultramemory Review

Ultramemory is an AI tool that transforms email, Slack, files, and screenshots into a private, local memory on your Mac, providing answers with verifiable citations.

shipped Jun 15, 2026free
Ultramemory - AI tool for ultramemory. Professional illustration showing core functionality and features.

Why it matters

1Operates entirely on Apple Silicon Macs, ensuring local data processing.
2Offers a free, open-source application under the MIT license.
3Indexes email, Slack, files, and screenshots into a private memory.
4Provides answers with citations, indicating when sources disagree.

Stork’s verdict on Ultramemory

Ultramemory delivers on-device private memory with verifiable citations, but it's exclusively for Apple Silicon Macs and requires local AI setup.

Ultramemory reviewed by Stork AI · stork.ai/en/ultramemory

About Ultramemory

Business Model
Open Source
Platforms
Mac
Open Source

Specs

API Available

Yes, public API

overview

What is Ultramemory?

Ultramemory is a personal knowledge management AI tool developed by Jared Goering that enables Mac users to create a private, local memory of their digital work. It indexes various digital assets and answers questions with verifiable citations, operating entirely on-device.

features

Key Features of Ultramemory

Ultramemory provides a suite of functionalities designed to create a private, searchable, and verifiable digital memory on macOS. Its core capabilities revolve around local data processing and transparent information retrieval, ensuring user privacy and data control.

  • Indexes email, Slack messages, local files, and screenshots into a unified private memory.
  • Answers user questions with verifiable citations linking directly to original sources.
  • Operates entirely locally on Apple Silicon Macs, requiring no cloud storage or account.
  • Identifies and presents contradictions found within indexed information.
  • Tracks unresolved items or 'open loops' within the user's digital content.
  • Supports integration with local AI models via Ollama for on-device conversational answers.
  • Distributed as open-source software under the MIT license.
  • Offers an evolving spaced repetition system for knowledge retention (via ultramemory.ai).

use cases

Who Should Use Ultramemory?

Ultramemory is primarily designed for macOS users who require a secure, private, and comprehensive system for managing their digital knowledge and communications. It caters to professionals and lifelong learners seeking to enhance information retention and retrieval without compromising data privacy.

  • Mac users: Seeking a private, searchable memory of their digital work and communications.
  • Professionals: For personal knowledge management, centralizing and making searchable all professional and personal digital information.
  • Executive Learners: To transform books, courses, and meetings into durable knowledge using effective flashcards and spaced repetition.
  • Language Learners: Utilizing spaced repetition to grow vocabulary and integrate language learning into demanding schedules.
  • Medical Students & Lifelong Learners: Aiding in the retention of complex information through an evolving spaced repetition system that identifies connections between learned concepts.

pricing

Ultramemory Pricing & Plans

The Ultramemory application for Mac, available at mac-ultramemory.com, is provided free of charge and is open source. It operates without requiring an account, subscription, or telemetry. For the spaced repetition system offered through ultramemory.ai, a freemium model is in place, described as 'Free to start. $99 a year if it works,' indicating an optional annual subscription for advanced learning features.

  • Free: Free (Mac application, open source, fully local, no subscription, private memory, answers with citations).
  • Ultramemory.ai Spaced Repetition: Free to start, then $99 per year (for advanced learning features).

Similar Tools

Ultramemory vs Competitors

Ultramemory distinguishes itself in the AI memory and personal knowledge management landscape primarily through its unwavering commitment to privacy, local processing, and open-source development. Unlike many alternatives that rely on cloud infrastructure, Ultramemory ensures all user data remains on the local macOS device.

1

Rewind.ai records everything you see, say, or hear on your Mac, creating a searchable and private digital memory.

While Ultramemory focuses on integrating specific data sources like email and Slack, Rewind.ai captures a broader range of on-screen and audio activity. Rewind.ai offers a free tier but also has paid plans, unlike Ultramemory which is entirely free and open source.

2

InnerZero is a free, private AI assistant that runs entirely on your Mac using Apple Silicon, ensuring all data remains on-device.

InnerZero directly matches Ultramemory's core offering of a free, fully local, and private AI assistant for Mac. It focuses on chat, memory, and document handling with local models, similar to Ultramemory's question-answering capabilities.

3

AnythingLLM is an open-source, privacy-first desktop app that connects local or cloud AI models to your own documents and data for Retrieval Augmented Generation (RAG).

Like Ultramemory, AnythingLLM is open source and emphasizes privacy by allowing local model connections and document ingestion. It provides a more structured approach to building a knowledge base from your files, offering multi-user workspace support, which Ultramemory does not explicitly mention.

4

Jan.ai is a local-first, open-source AI chat application for macOS that enables private conversations with a wide range of local models.

Jan.ai aligns with Ultramemory's open-source and local-first philosophy, providing a native Mac app for private AI interactions. While Ultramemory focuses on turning diverse data into a searchable memory, Jan.ai is primarily a chat interface for local LLMs, allowing users to interact with models on their device.

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