Comparison

AsterBridge vs DiagramFlow Studio

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

Head to head
About

AsterBridge

Features
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AsterBridge is a mind mapping app for iPhone, iPad and Mac. Capture an idea, branch it into related thoughts, and watch your thinking take shape β€” on an infinite canvas or as a clean outline. Plan a launch, outline an essay, organize a trip, or just clear your head. AsterBridge gives you room to think visually and the polish to share what you make. β€”β€” WHY ASTERBRIDGE β€”β€” β€’ Fast to capture. Type a whole branch without leaving the keyboard: Return adds the next idea; indent and outdent from the keyboard bar. β€’ Canvas or outline. The same map as a zoomable canvas or an editable outline β€” side by side on iPad and Mac. β€’ Keep Tidy. Maps lay themselves out as you add, move and delete ideas. β€’ Native on every Apple device, synced with iCloud. β€’ Private by design. No analytics, no ads, no tracking. β€”β€” FEATURES β€”β€” CANVAS & OUTLINE β€’ Infinite canvas with mini-map, zoom to fit and alignment guides β€’ Tree, radial and force-directed layouts, or Keep Tidy automatic layout β€’ Outline view with indent, outdent, reordering and collapsible branches β€’ Apple Pencil: sketch inside a node, or draw from one node to another to connect them NODES β€’ Text, headings, images, links, checklists, code and Pencil sketches β€’ Shapes, colors and connection styles, with live preview β€’ Undo and redo for every edit BRING YOUR IDEAS IN β€’ Paste notes or Markdown and get a map β€’ Photograph handwritten or printed notes β€” text is recognized on your device β€’ Import OPML, FreeMind (.mm) and XMind files PRESENT & SHARE β€’ Focus Mode and Presentation Mode β€’ Export to PNG, plus PDF, Markdown, OPML and AsterBridge files with Pro β€’ Invite people to view or edit a map through iCloud β€” changes sync within moments β€’ SharePlay: map together live during a FaceTime call EVERYWHERE ON YOUR DEVICE β€’ Home Screen and desktop widgets for a pinned map or your recent maps β€’ Shortcuts and Siri: add an idea to a map, open a map, or turn text into a map β€’ Share text or links from any app into a map β€’ Find maps and ideas in Spotlight; continue on another device with Handoff VERSION HISTORY β€’ Earlier versions of each map are kept on your device β€’ Preview any version, restore it, or save it as a copy AI ASSISTANT (Pro) β€’ Expand an idea into new branches, summarize a branch, suggest connections, or turn pasted text into a map β€’ Uses Apple Intelligence on supported devices β€” private and on-device β€’ Or connect your own OpenAI, Anthropic, Ollama or LM Studio account β€”β€” ASTERBRIDGE PRO β€”β€” Without a subscription you can keep up to 3 maps and export PNG. A monthly or yearly AsterBridge Pro subscription unlocks: β€’ Unlimited maps β€’ AI assistant β€’ PDF, Markdown, OPML and AsterBridge file export β€’ Inviting people to maps through iCloud Subscriptions auto-renew until canceled. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless turned off at least 24 hours before the end of the current period. You can manage your subscription and turn off auto-renewal in your Apple Account settings. Privacy policy: https://kk-studio.ch/privacy/ Terms of use: https://kk-studio.ch/terms/ β€”β€” SUPPORT β€”β€” Questions, feedback, feature requests? Email welcome@kk-studio.ch β€” we read every message. Happy mapping.

About

DiagramFlow Studio

Features
Read full description

Move from outline to diagram without losing the structure of your idea. DiagramFlow Studio is a local-first visual workspace for mind maps, flows, system sketches, and project outlines. BUILD VISUALLY β€’ Create projects with connected nodes β€’ Drag nodes around the canvas β€’ Add, edit, and connect ideas β€’ Apply an automatic layout when you want a clean starting point START FROM TEXT β€’ Convert a Markdown outline into diagram nodes β€’ Keep a readable outline alongside the visual canvas β€’ Search and organize your project library SAVE AND DELIVER β€’ Create named version snapshots β€’ Export the complete project as Markdown, SVG, or JSON β€’ Share only when you choose PRIVATE BY DEFAULT Projects and snapshots are stored locally. DiagramFlow Studio does not include advertising or cross-app tracking. The free version includes the core workflow. Pro is a one-time in-app purchase that unlocks unlimited projects and snapshots, complete exports, and future Pro features. Price and availability are shown by the App Store. The Pro screen includes Restore Purchases and a direct link to Apple’s refund-request process, including guidance for requests submitted within seven days. Eligibility and approval are determined by Apple.

Screenshots

AsterBridge4 screens
DiagramFlow Studio4 screens

Verdict

The call

AsterBridge and DiagramFlow Studio are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. AsterBridge sells 2 in-app purchases, starting at $1.99 per month and DiagramFlow Studio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AsterBridge ships an update every 3 weeks, DiagramFlow Studio every 5 weeks. The most recent releases landed on November 13, 2026 and November 5, 2026 respectively.

ScorecardNo meaningful differences
AsterBridge versus DiagramFlow Studio: the parameters behind the verdict, then further details
ParameterAsterBridgeDiagramFlow Studio
PriceFreeFree
Update frequencyEvery 3 weeks β€” betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Mac β€” betteriPhone, iPad
Requires iOS18.017.0 β€” better
Further details β€” not scored
Size7 MB5 MB
Age rating4+4+
DeveloperKanchalika KongyongYu Shiung Jiang

In-app purchases

2 purchases

AsterBridge

Subscriptions2
  • AsterBridge Pro Monthly$1.991 Month
  • AsterBridge Pro Yearly$14.991 Year
1 purchases

DiagramFlow Studio

One-time1
  • εœ–ζ΅ DiagramFlow Studio Pro θ§£ιŽ–$2.99

Questions

Is AsterBridge free?
AsterBridge is free to download, with in-app purchases available.
Is DiagramFlow Studio free?
DiagramFlow Studio is free to download, with in-app purchases available.
Do AsterBridge or DiagramFlow Studio have ads?
Neither AsterBridge nor DiagramFlow Studio shows ads.
Which is updated more often, AsterBridge or DiagramFlow Studio?
AsterBridge ships an update every 3 weeks, and DiagramFlow Studio every 5 weeks. Most recently, AsterBridge was updated on November 13, 2026 and DiagramFlow Studio on November 5, 2026.

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