Comparison

Space DOT vs K37 Simple Flows

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

K37 Simple Flows

Features
Read full description

Simple Flows is a straightforward, private flowchart maker for planning, explaining, printing, and sharing visual processes. Build a chart from a blank canvas or a practical template, add familiar shapes, connect decisions, and keep everything organized on your device. FEATURES β€’ Create flowcharts from a blank canvas or starter template β€’ Add process, decision, start/end, document, and other familiar shapes β€’ Drag and resize shapes on a flexible canvas β€’ Connect steps with arrows and Yes, No, or custom labels β€’ Edit text, shape type, and color β€’ Duplicate, reorder, and delete chart elements β€’ Export clean PDF or PNG copies β€’ Print in US Letter or A4, portrait or landscape β€’ Save and import editable Simple Flows backup files β€’ Choose from 17 cultural visual themes β€’ Keep flowcharts locally on your device β€’ No account and no subscription Create and fully use three flowcharts for free. A one-time Full Version purchase unlocks unlimited saved flowcharts. All other app features remain included in the free version. No subscription is required. Simple Flows is designed by K37 Software for individuals, families, students, and small teams who want understandable everyday diagrams without enterprise complexity.

Screenshots

Space DOT4 screens
K37 Simple Flows1 screens

Verdict

The call

The clearest difference is ads: K37 Simple Flows at none against Space DOT's shown. On price, in-app purchases, device support and iOS requirement 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 and K37 Simple Flows sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference Β· 5 level
Space DOT versus K37 Simple Flows: the parameters behind the verdict, then further details
ParameterSpace DOTK37 Simple Flows
PriceFreeFree
Update frequencyEvery 9 daysβ€”
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.2 β€” better17.0
Further details β€” not scored
Size16 MB4 MB
Age rating4+4+
DeveloperSpace Japan StudiosK37 Software LLC

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
1 purchases

K37 Simple Flows

One-time1
  • Simple Flows Full Unlock$2.99

Questions

Is Space DOT free?
Space DOT is free to download, with in-app purchases available.
Is K37 Simple Flows free?
K37 Simple Flows is free to download, with in-app purchases available.
Do Space DOT or K37 Simple Flows have ads?
Space DOT shows ads; K37 Simple Flows does not.

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