Comparison

Buddy AI Note vs ObsiKO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Buddy AI Note

Features
Read full description

A daily note that fills itself: your agenda, the emails that need answers, and replies drafted in your voice. You approve what goes out. Open the app and today is already laid out. Your events, the tasks carried over from yesterday and the emails waiting on you sit in one note, each email with a reply ready to review. Edit what you like, send what you approve. Nothing goes out without you. FREE, WITH NO TIME LIMIT • A daily note for your agenda, notes and to-dos • Tasks, reminders and pages • Calendar sync with Google Calendar, Outlook and Apple Calendar • Email integration with Gmail and Outlook • Booking links so others can pick a time with you BUDDY AI, PAID IN CREDITS New accounts get 500 credits and their first delegated task free. Every AI action has a fixed price shown before you spend, and replies and documents are only charged when you use them. • Your notes turned into tasks, plans and drafts • Email reply drafts that sound like you, ready to review • Voice memos turned into notes and to-dos, with real-time transcription • A Buddy AI chat that knows your notes, emails and schedule • Tasks Buddy carries out for you, from research briefs to documents PLANS (PAID SUBSCRIPTION) • Pro: 3,000 credits every month • Pro Max: 10,000 credits every month Credits you don't use roll over to the next month. SUBSCRIPTIONS Buddy AI Note is free to download and use, and new accounts start with 500 credits. Pro and Pro Max are auto-renewable subscriptions, billed monthly or annually and purchased in the app. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ainote.tech/en/privacy-policy

About

ObsiKO

This app integrates writing, knowledge management, and mind mapping with AI assistance. It supports various file formats and offers unique features for Korean language users, including a focus timer and GitHub syncing for secure data management.

Highlights
  • AI-assisted writing and mind mapping
  • Supports Obsidian vaults (.md, .canvas, .base)
  • Korean dictionary and spell checker
  • Lock Screen focus timer
  • GitHub sharing and syncing
  • Automatic note connection and organization
  • Infinite mind-map canvas with Apple Pencil support
Features
Read full description

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? Writing, knowledge management, mind maps, reading logs, codices, schedules, file conversion — all in ObsiKO, with no login, payment or subscription. Obsidian vaults (.md·.canvas·.base) open as-is. (AI uses your own API key. With Apple Intelligence on, no key needed.) ■ Made for iPhone Duo · Folded: floating glass buttons and your favorite menus on the right strip · Unfolded: an iPad-style layout with a pinned side panel, books in two pages · Half-folded: the app on top, the keyboard below — like a small laptop ■ Built for Korean · A Korean dictionary and spell checker from the National Institute of Korean Language's data — no key · A "Korean word of the day" widget ■ A focus timer on your Lock Screen · A dial like a real pomodoro clock — tap or drag the ticks in 1-minute steps · Start from the widget without opening the app; time left on the Lock Screen, in StandBy and the Dynamic Island ■ Share and sync (GitHub) · "Share to the web" opens a note at one address — theme, tables, images, comments. Stored in your GitHub, not on our servers · Sync devices through your own repository. Share your LLM wiki as one file or a subscription link that follows your edits ■ Write once, it connects itself · One "color" property tints tabs, headers, tree icons, .base and codex cards · Type "book" and a search fills in the rest; "project" adds dates to the calendar · Highlight a PDF and quotes collect in a note of the same name. Define your own types and relations ■ A graph like the night sky · Links, types, relations and PARA form one constellation — more links, brighter stars · Names appear as you zoom in, and your layout is remembered ■ Infinite mind-map canvas (.canvas) · Apple Pencil drawing, sketches into AI images. Ask the AI and it builds, sizes and colors the map · Grow cards with Enter and Tab, drop in URLs and files. 5 styles, 10+ presets, auto-built maps & dungeons ■ .base files and search · Projects, kanban, cards, charts, a library, PARA and a budget. Dataview queries become tables · Search filenames, full text, Korean jamo, meaning and word forms. Find books and papers, or just ask Siri ■ Dashboard, themes and Markdown · 50+ widgets — calendar, habits, stats, mini games, AI briefing, tarot. 20+ themes, your own fonts · Calm editing tuned for Korean, a format bar, Mermaid, 20+ charts, inline drawing, embeds ■ Writing helper · 70+ structures across 13 genres (Hero's Journey, Save the Cat, TRPG characters, world sheets) · Socratic questions, genre feedback, style polish, your own assistants, on-device translation, read-aloud · One search across dictionaries, thesaurus, hanja, proverbs and Wikipedia ■ Schedules · A date in any file lands on the calendar (Obsidian Tasks compatible) — year to timeline views, widgets, writing reminders ■ Viewers from one line of front matter · Book view (two pages, page turns that follow your finger, covers in the note's color), web-novel view (platform presets) · Messenger and visual-novel views — record the screen and it's a short. Codex view with auto profile icons ■ Clip, convert, export · Web clipper and RSS. Import from Apple Notes, Notion, Evernote, Bear, Logseq and Roam · doc, docx, PDF, hwp and hwpx to Markdown, a reference view for dozens of formats, AI OCR and transcription · Slides with Marp. Export to PDF, HWPX, DOCX, EPUB, HTML, ZIP and wikis ■ AI agent · Just add an API key (Claude, Gemini, GPT) — the app works fully without one · Mind maps and tables on your phone, voice input, and a plan card before big changes · Auto memory, LLM wikis, Zettelkasten folders, slash commands, a prompt helper, MCP No login, no payment, no subscription, no ads. Tell us about bugs anytime. ■ Supported · iPhone, iPad, Mac, Apple Watch / Korean, English, Japanese, Chinese (Traditional, Simplified) · Ready for iOS 27 and iPhone Duo

Screenshots

Buddy AI Note4 screens
ObsiKO4 screens

Verdict

The call

The clearest difference is in-app purchases: ObsiKO at none against Buddy AI Note's 4. ObsiKO also leads on device support (4 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Buddy AI Note sells 4 in-app purchases, starting at $19.99 per month. ObsiKO asks for nothing beyond the download.

UpkeepUpdate frequency

Buddy AI Note ships an update every 4 days, ObsiKO every 6 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Buddy AI Note versus ObsiKO: the parameters behind the verdict, then further details
ParameterBuddy AI NoteObsiKO
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 days — betterEvery 6 days
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.415.1 — better
Further details — not scored
Size81 MB77 MB
Age rating4+4+
DeveloperPodTech Corp.Hyojin Kim

In-app purchases

4 purchases

Buddy AI Note

Subscriptions4
  • Pro$19.991 Month
  • Pro Max$49.991 Month
  • Pro$179.001 Year
Show 1 more
  • Pro Max$419.001 Year
None

ObsiKO

No in-app purchases

Questions

Is Buddy AI Note free?
Buddy AI Note is free to download, with in-app purchases available.
Is ObsiKO free?
ObsiKO is free to download, with no in-app purchases.
Do Buddy AI Note or ObsiKO have ads?
Neither Buddy AI Note nor ObsiKO shows ads.
Which is updated more often, Buddy AI Note or ObsiKO?
Buddy AI Note ships an update every 4 days, and ObsiKO every 6 days. Most recently, Buddy AI Note was updated on October 30, 2026 and ObsiKO on October 25, 2026.

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