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Android Apps > Productivity > ObsiKO: AI Note + Mindmap
ObsiKO: AI Note + Mindmap icon

ObsiKO: AI Note + Mindmap

by StudioHyZet · Productivity · Free
On Google Play since August 2026 · Data updated 2026-10-17
Google Play

ObsiKO: AI Note + Mindmap is made and published by StudioHyZet. AppBrain is an independent app data site and isn't affiliated with StudioHyZet. The app name, icon, screenshots and description belong to StudioHyZet and are shown as published on Google Play.

AppBrain's verdict

NewNiche
Installs
41
Last updated
October 12, 2026
Ads
No ads
Size
59.6 MB

ObsiKO: AI Note + Mindmap came out 72 days ago. It is a niche app, with 41 installs. It doesn't have enough ratings yet to judge what users think.

User feedback

Ratings and reviews on Google Play

Comments on ObsiKO: AI Note + Mindmap for Android

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Store listing

By StudioHyZet, from Google Play

“Your second brain, connected”

ObsiKO: AI Note + Mindmap Screenshot 1 of 9
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ObsiKO: AI Note + Mindmap Screenshot 9 of 9
Screenshots by StudioHyZet, from the Google Play listing
Description by StudioHyZet Written by the developer, not by AppBrain. Click to read.
Nothing to set up — features are already wired to each other, like wiki links.
ObsiKO: build your own universe of notes.

Tired of converting files or picking plugins? Spent the day on settings and never wrote a line?
Plenty of features, none of them talking to each other?

Everyday writing, LLM wikis, ontologies, Zettelkasten, mindmaps, reading logs, codices, schedules, file conversion — one app, no account or subscription. Obsidian vaults (.md/.canvas/.base) open as-is.
(AI runs on your own API key. The app is complete without it.)

■ You see it first, before anything changes
· AI rewrites arrive as a suggestion card — nothing changes until you press Replace
· The AI agent works on a copy; only what you pick reaches your notes
· Before the first send to an outside AI, it shows what goes where and sends only if you allow

■ Share to the web, sync between devices (GitHub)
· "Share to the web" publishes a note at one address — theme, tables and images intact, comments too
· The text lives only in your GitHub account, never on our servers. "Stop sharing" takes it down
· Sync runs through your own repository, asks before deleting several files, uses only the trash

■ Write once, it connects itself
· A "color" property colors the tab, header, tree icon, .base and codex cards. Define your own types and relations too
· Type "book" pops a search that fills the rest; "project" adds start/due to the calendar and PARA
· Highlight a PDF and quotes collect into a note of the same name — searchable, on the graph
· Wiki links, types, relations and PARA form one constellation — more links, brighter star

■ Infinite mindmap canvas (.canvas)
· S Pen and stylus drawing — turn a sketch into an AI image. Have AI build an editable mindmap, or hand it yours
· Auto-build from a note's links, auto-layout, embeds, groups, relations. 5 styles, 10+ presets. Drop a URL or file to make a card

■ .base files and search
· Projects, kanban, cards, charts, a library (book/paper search), PARA, a budget that pastes receipts. Dataview queries become tables in one tap
· Filenames, full text, Korean jamo, semantic search — pin results to the sidebar, bookmark a query

■ A dashboard and themes you arrange
· 50+ widgets plus query and embed boards — calendars, to-dos, habit trackers, stats, AI briefings. 20+ themes, your own fonts

■ Markdown and a writing helper
· Format bar and cheat sheet, Mermaid, 20+ charts, inline drawing, embeds, video in a note
· 70+ structures across 13 genres (Hero's Journey, Save the Cat, SCQA, character sheets), Socratic questions, critique and style polish
· Spell check, dictionaries, unlimited device TTS, a saved assistant role, on-device translation

■ Schedules and viewers
· A date in any file lands on the calendar (Obsidian Tasks compatible) — year/month/week/day, timeline, widget, reminders
· One frontmatter line switches the viewer: book, web novel, messenger, visual novel, codex

■ Clipping and conversion
· The article body and photos become a note, not just the URL — share button or RSS
· One-click Markdown for doc/docx, PDF, hwp/hwpx — one file or a folder; a read-only panel opens dozens more
· Import from Apple Notes, Notion, Evernote, Bear or Logseq — always into a new folder, nothing overwritten
· Highlight PDFs and Markdown to insert or quote. AI OCR and transcription (meetings labelled by speaker)

■ AI agent
· Add an API key and go (Claude, Gemini, GPT) — the app is complete without one
· Builds mindmaps and .base tables on your phone and reads existing ones. Read-aloud and images in the editor
· File creation, automatic memory, LLM wikis, ontology and Zettelkasten folder design

■ Export, images, and everything else
· Marp properties make a deck. Export to PDF, HWPX, DOCX, EPUB, HTML, ZIP, wiki markup
· Dictate on your phone (recognised on device), six home screen widgets, save straight from any app's share sheet
· Image editing, free image search, colors panel, routines, command palette, focus timer, screen lock

Recent changes:
■ New in 1.4.2

🧶 New Purliko theme — yarn, a cat and a knitting-needle cursor
✍️ Spell check
· [Check more closely with AI] with the AI you connected
· Catches typos in Codex and My dictionary names
· English spell check on ObsiKO's own server
📖 [View My dictionary] · base-form chips in the English dictionary
🗺️ Old map style · rounded RPG map borders
📚 "Add a new episode" routine · horror structures
🎲 Flicking a die no longer closes the Random Box

+ Improvements and bug fixes
Official page on Google Play Also on the App Store

Safety and technology

Found in the app by AppBrain
Ads
No ads
Price
Free
Libraries
?
App size
59.6 MB
Content rating
Everyone

Technologies used by ObsiKO: AI Note + Mindmap

12 permissions
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
1.4.2
Launched
August 2026
  • Oct 12, 2026UpdateVersion 1.4.2
  • Sep 27, 2026UpdateVersion 1.3.1
  • Sep 7, 2026UpdateVersion 1.2.0
  • Sep 4, 2026Installs10+ installs
  • Sep 1, 2026UpdateVersion 1.1.90
Show all changes Show fewer

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Also available on the App Store

ObsiKO: AI Note + Mindmap icon ObsiKO: AI Note + Mindmap
Hyojin Kim
5.0
Free
1 ratings

Installs

Tracked by AppBrain
Last 30 days
13
Play install range
10+
Launched
August 2026

Installs over time

ObsiKO: AI Note + Mindmap has been installed 41 times. Over the past 30 days, it has been installed 13 times.

Rankings

Google Play top charts

Google Play Rankings for ObsiKO: AI Note + Mindmap

This app is not ranked

About the app and developer

About ObsiKO: AI Note + Mindmap

ObsiKO: AI Note + Mindmap is a productivity app developed by StudioHyZet.

Install Statistics

ObsiKO: AI Note + Mindmap has been installed 41 times. In the last 30 days, the app was installed 13 times.

User Ratings

The app has no ratings yet.

App Information

ObsiKO: AI Note + Mindmap is freely available from Google Play. The app size is 59.65 MB. The latest version available is 1.4.2. The last update was on October 12, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play since August 2026.

App Performance Report

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Developer information for StudioHyZet

StudioHyZet

support@obsiko.com

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Share ObsiKO: AI Note + Mindmap

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Overview Alternatives History Reviews Rankings Technology
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