Comparison

openote vs OcthoMind

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

Head to head
About

openote

Features
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openote โ€” Markdown notes with free sync. No account. No subscription. Other note apps charge a yearly fee just to sync your own devices. openote syncs iPhone, iPad and Mac through your iCloud Drive โ€” free, with no account to create. Your notes stay plain .md files. Open them in the Files app or any Markdown editor, and take them anywhere. No proprietary format, no lock-in. --- WHY OPENOTE Free iCloud sync Notes sync through iCloud Drive on your own Apple account. No sign-up, no subscription. Plain Markdown files Every note is a standard .md file. Front matter, checklists and [[wiki links]] are kept exactly as you wrote them. Safe across devices If a note changes on another device while you're editing, openote keeps both versions instead of silently overwriting one. Your last words are saved even if you switch apps or quit right away. Mermaid diagrams Flowcharts, sequence diagrams and more render live from Markdown. Start from a template, pinch to zoom, tap to edit the code. Rendering works offline. On-device AI On devices with Apple Intelligence, summarize a note, get tag suggestions, or turn a sentence into a diagram. It runs entirely on your device โ€” nothing is sent to a server. --- FEATURES Editor - Rich Markdown editing, with a source mode when you want the raw text - Checklists, tables and code blocks - Auto-save - Word and character count Organize - Folders and #tags with autocomplete - [[Wiki links]] between notes - Full-text search in English, Korean and Japanese Sync & files - iPhone, iPad and Mac via iCloud Drive - Browse your notes in the Files app - Export a note as PDF Shortcuts & Siri - Create, open and search notes from Shortcuts and Siri - Notes appear in Spotlight search --- PRIVACY - No account, no email - No tracking - Your notes stay in your iCloud and on your devices - AI runs on your device Everything is free. openote has no in-app purchases. openote โ€” Your notes, your files.

About

OcthoMind

Features
Read full description

Organize your thoughts, plan your academic research, or visualize your daily agendas in seconds! OctoMind is a next-generation visual thinking tool that transforms your complex ideas into sleek, structured, and easy-to-manage mind maps. Tailored specifically for academics, students, project managers, and creative professionals. WHY OCTOMIND? โ€ข 100% LOCAL PRIVACY (Offline-First): Your mind maps and personal notes are never uploaded to cloud servers. All your data remains securely stored on your device. โ€ข MULTI-MAP DASHBOARD: Create, rename, and delete unlimited independent maps for different courses or projects, and switch between them instantly. โ€ข COLLABORATIVE NOTES & OUTLINE: Add detailed rich text notes to any node, and check your map structure as a hierarchical tree outline in the side drawer. โ€ข RETINA-QUALITY EXPORTING: Save and share your maps via the native iOS Share Sheet as vector SVG, high-resolution Retina PNG, or print-quality PDF files. โ€ข PREMIUM HAPTIC UI: Experience a fully native iOS look and feel with a beautiful dark mode, smooth canvas animations, and precise tactile haptic feedback. BEST FOR: - Academic lecture notes & research structuring - Project planning & workflow visualization - Brainstorming sessions & conceptual drafting - Meeting agendas & interactive checklists Subscription & Pricing: You can start mapping for free. To unlock unlimited maps and high-res vector PDF, SVG, and PNG exports, you can upgrade to PRO via our Monthly Subscription (comes with a 3- Day Free Trial) or One-Time Lifetime Purchase. Transactions are securely managed via the official Apple StoreKit. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

openote4 screens
OcthoMind4 screens

Verdict

The call

The clearest difference is ads: openote at none against OcthoMind's shown. OcthoMind's advantage is update cadence (fortnightly vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

openote ships an update every 5 weeks, OcthoMind fortnightly. The most recent releases landed on September 30, 2026 and October 13, 2026 respectively.

Scorecard2 real differences ยท 4 level
openote versus OcthoMind: the parameters behind the verdict, then further details
ParameteropenoteOcthoMind
PriceFreeFree
Update frequencyEvery 5 weeksFortnightly โ€” better
AdsNo โ€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details โ€” not scored
Size8 MB12 MB
Age rating4+4+
DeveloperWooyoung KimVOLKAN TEZKAN

In-app purchases

None

openote

No in-app purchases

None

OcthoMind

No in-app purchases

Questions

Is openote free?
openote is free to download, with no in-app purchases.
Is OcthoMind free?
OcthoMind is free to download, with no in-app purchases.
Do openote or OcthoMind have ads?
OcthoMind shows ads; openote does not.
Which is updated more often, openote or OcthoMind?
openote ships an update every 5 weeks, and OcthoMind fortnightly. Most recently, openote was updated on September 30, 2026 and OcthoMind on October 13, 2026.

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