DoCube · Office #53,793

What it is

Calls itself “knowledge base” and “reader”.

• Calls itself: knowledge base · reader

“Local-first reader + knowledge base for deep reading”

Where it puts itself

Rules out “personally identifiable information”.

• Says it will not: personally identifiable information

“We never collect or store personally identifiable information, nor any private data created inside the app.”

What it costs

One-time purchase. A free tier up to a usage limit. No monthly or yearly plan. Prices quoted: $0.

• One-time: yes
• Monthly: no
• Yearly: no
• Free plan: free up to a limit
• Price: $0

“Free $0 Up to 5 documents, with the full collect-read-annotate-search-review workflow.”

“Pro One-time purchase”

“One-time purchase”

Who it sells to

Available in 2 languages.

• Languages: English · 中文

“Guides English 中文”

How it runs

A desktop app and mobile app for iOS, iPadOS and macOS. Runs locally and works offline. Can be self-hosted. Distributed through the App Store. AI is a side feature.

• Kind: desktop · mobile
• Runs on: iOS · iPadOS · macOS
• Runs where: on the device, offline · self-hosted
• Distributed via: App Store
• AI role: a side feature

“DoCube runs on Mac, iPhone and iPad, merging changes through iCloud”

“…macOS · iPhone · iPad Local storage, iCloud sync One-time purchase”

What it works with

Names Mermaid, MinerU and 3 more on its pages.

• Names: Mermaid · MinerU · VENXU · +2

“DoCube Local-first reader + knowledge base for deep reading”

“Mermaid”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes a blog.

• Instant signup: yes
• Trial asks for: nothing

“Download on the App Store”

“Free on the App Store”