Comparison

Space DOT vs OcthoMind

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

Head to head
About

Space DOT

Features
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Space DOT 3.0 Features: - Templates for both DOT and Mermaid (Basic templates included. Additional templates can be purchased as in-app purchases.) - Code persistence: Switching between the code editor and the code generator will no longer wipe out your written code. - Layout adjustments: You can now choose for the code editor to appear on the top or bottom (iPhone & iPad), left or right (iPad only), full screen, or to be hidden. - You no longer have to generate code before tapping the render button. You can now simply tap the render button and it will first generate your code automatically. - The code generator tool now features a more compact layout, making it easier to enter information for multiple nodes. - Space DOT now outputs larger image files. Unleash the Power of Graphviz and Mermaid on Your iPhone and iPad. Space DOT version 3 transforms your mobile device into a powerful, professional-grade environment for creating and visualizing directed and undirected graphs using the industry-standard DOT and Mermaid languages. Perfect for engineers, data scientists, architects, and students, Space DOT is the ultimate tool for turning code into clear, elegant diagrams, all powered by an offline, high-performance WebAssembly engine. Offline Code Editor & Real-Time Preview Pure graphing Power: Write or paste your DOT or Mermaid language code in a distraction-free text editor. Instant Visualization: See your graph render in real-time. Hit "Render" to instantly generate high-quality SVG/PNG diagrams. High-Fidelity Rendering: Powered by an embedded, offline rendering engine engine, ensuring professional-grade layouts and accuracy. Interactive & Intelligent Graph Analysis Tap-to-Zoom: Tap any node in the rendered graph to instantly "zoom" into a neighborhood view, highlighting only its immediate neighbors and their connecting edges. This critical feature allows for fast, focused analysis of complex structures without re-rendering the entire graph. Fluid Gestures: Enjoy native iOS support for pinch-to-zoom and pan gestures on the graph preview. Automatic background saving ensures your DOT and Mermaid source files are always up to date. Import/Export: Easily import existing .dot or .gv files from the iOS file system. Share Anywhere: Export your finished graphs as crisp SVG or high-resolution PNG files directly to your preferred sharing service. Reference Dictionaries: Built-in, responsive, searchable libraries of DOT and Mermaid syntax, automatically switching, depending on which graphing language is selected. Code Generator Mode: Switch from the code editor to a user-friendly, form-based interface for DOT. Create nodes, edges, and attributes without writing a single line of codeβ€”Space DOT generates the DOT source for you. If you're not familiar with nodes and edges, you can now choose from a selection of templates for a variety of different graphing needs! Write the code. See the system. Whether you're mapping out network topology, sketching a system architecture, or studying algorithms, Space DOT provides the speed, reliability, and features you need to master graph visualization on the go.

About

OcthoMind

Features
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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? β€’ 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. β€’ MULTI-MAP DASHBOARD: Create, rename, and delete unlimited independent maps for different courses or projects, and switch between them instantly. β€’ 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. β€’ 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. β€’ 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

Space DOT4 screens
OcthoMind4 screens

Verdict

The call

The clearest difference is in-app purchases: OcthoMind at none against Space DOT's 6. On price, update cadence, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Space DOT sells 6 one-off in-app purchases. OcthoMind asks for nothing beyond the download.

UpkeepUpdate frequency

Space DOT ships an update every 9 days, OcthoMind fortnightly. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

Scorecard1 real difference Β· 5 level
Space DOT versus OcthoMind: the parameters behind the verdict, then further details
ParameterSpace DOTOcthoMind
PriceFreeFree
Update frequencyEvery 9 days β€” betterFortnightly
AdsYesYes
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.2 β€” better17.0
Further details β€” not scored
Size16 MB12 MB
Age rating4+4+
DeveloperSpace Japan StudiosVOLKAN TEZKAN

In-app purchases

6 purchases

Space DOT

One-time6
  • Remove Ads$0.99
  • Technology Templates (Space DOT)$1.99
  • Creativity Templates (Space DOT)$1.99
Show 3 more
  • Business Templates (Space DOT)$1.99
  • Duo-Pack$2.99
  • Professional Suite (Space DOT)$2.99
None

OcthoMind

No in-app purchases

Questions

Is Space DOT free?
Space DOT is free to download, with in-app purchases available.
Is OcthoMind free?
OcthoMind is free to download, with no in-app purchases.
Do Space DOT or OcthoMind have ads?
Both Space DOT and OcthoMind show ads.
Which is updated more often, Space DOT or OcthoMind?
Space DOT ships an update every 9 days, and OcthoMind fortnightly. Most recently, Space DOT was updated on October 14, 2026 and OcthoMind on October 13, 2026.

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