DrawViewer vs OcthoMind
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DrawViewer
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This app lets you quickly load and inspect draw.io files on iOS. Whether you are reviewing technical diagrams, system designs, or documentation, the experience stays focused, fast, and easy to navigate. DrawViewr uses diagrams.net-based web rendering in the background to display supported diagram files. Draw.io is a trademark of its respective owner. DrawViewr is an independent viewer app and is not affiliated with or endorsed by draw.io or diagrams.net, they are so nice to provide the web rendering. Features: • Open draw.io files • Smooth zooming and panning • Multi-page diagram support • Quick file access via the Files app • Clean and minimal interface Perfect for engineers, developers, and anyone working with diagrams on the go.
OcthoMind
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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? • 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. • MULTI-MAP DASHBOARD: Create, rename, and delete unlimited independent maps for different courses or projects, and switch between them instantly. • 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. • 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. • 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
Verdict
The clearest difference is ads: DrawViewer at none against OcthoMind's shown. OcthoMind's advantage is iOS requirement (15.0 vs 18.0). On price, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | DrawViewer | OcthoMind |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Florian Schwaikl | VOLKAN TEZKAN |
In-app purchases
DrawViewer
No in-app purchases
OcthoMind
No in-app purchases





