Startup profile for Muse App Inc: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.

Startup profile · funding coverage

Muse App Inc funding, valuation and investors

Spatial thinking canvas app for iPad and Mac (Muse, now rebranded Allume).

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Seed

~$2M · 2019

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

Not publicly disclosed

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

seed · Seattle, WA

Sources: latest funding Last verified: 2026-07-25

Overview

Muse App Inc. (now Allume) is a spatial thinking canvas for iPad and Mac where users organize notes, images, PDFs, and links in nested boards. Founded from Ink & Switch research lab, the company raised approximately $2M and grew to tens of thousands of users before a 2023 leadership transition. The product rebranded to Allume with AI and MCP support.

Why Muse App Inc is interesting

Listed on a16z consumer portfolio — nested-board canvas for ideation; raised ~$2M before founder transition in 2023; now Allume with AI/MCP features.

Product & use cases

Allume (formerly Muse) provides infinite nested canvas boards for ideation — combining handwriting, text, images, and PDFs in non-linear spatial layouts native to iPad and Mac with Apple Pencil support.

  • Visual brainstorming and ideation on iPad
  • Research annotation with nested board organization
  • Non-linear project planning for creative professionals

Key facts

  • ~$2M raised; tens of thousands of active users per founder retrospective
  • Rebranded from Muse to Allume with AI/MCP features
  • Listed on a16z consumer portfolio

Funding history (newest first)

Investors in our directory

Funds linked from Muse App Inc's profile — open a fund page for stage focus and related deal articles.

Competitive landscape

Edge: Nested canvas architecture and Apple Pencil-first design — intentionally minimal vs. feature-heavy whiteboard tools.

Spatial thinking tools struggle with market focus — Muse/Allume chose brutal minimalism over feature breadth. Apple Freeform competes free on-device. a16z listing suggests portfolio connection; funding syndicate beyond early angels is limited in public sources.

  • Notion adjacent

    Text-first workspace; less spatial.

  • Miro direct

    Collaborative whiteboard; team-focused.

  • Freeform (Apple) incumbent

    Apple's native canvas app.

  • Obsidian Canvas alternative

    Open canvas in markdown ecosystem.

Notable stories

  • Adam Wiggins' retrospective notes Muse raised $2M, grew to tens of thousands of users, but never found sufficient organic growth or business model — most founders stepped away in fall 2023.

Industries

Consumer Enterprise SaaS

Related funding articles

Venture Capital Tracker pieces that cover Muse App Inc's financing or category context.

FAQs about Muse App Inc

Practical answers founders, operators, and investors typically search for.

Spatial thinking canvas app for iPad and Mac with nested boards.
Same product — rebranded from Muse to Allume with AI features added.
Listed on a16z (/fund/andreessen-horowitz) portfolio; ~$2M raised per founder retrospective.
Adam Wiggins, Mark McGranghan, and Julia Roggatz from Ink & Switch lab.
Yes as Allume — continued by remaining team member.
Muse/Allume is spatial canvas-first; Notion is text/doc-first.
Muse is solo ideation focused; Miro is team whiteboarding.
Insufficient organic growth and unclear business model per 2023 retrospective.
Yes — added AI and MCP support after rebrand.
a16z consumer portfolio listing.

By Venture Capital Tracker

Last updated:

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.