Tendril Mindmap vs Marginalias
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Tendril Mindmap
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Tendril is a focused, beautiful radial mind map builder. Grow your ideas like vines, branching outward from a single root. A calm cream canvas, soft leafy palette, and direct-manipulation gestures ā no folders, no toolbars stuffed with options, no ads. KEY FEATURES ⢠Canvas-rendered radial tree with smooth curved edges ⢠Drag any node to reposition it anywhere on the canvas ⢠Per-node color and SF Symbol icon for visual structure ⢠Pinch to zoom, drag to pan around large maps ⢠Multiple saved mindmaps, organized in a clean Library grid ⢠Long-press a node to drag and rearrange your hierarchy ⢠Undo your last layout change in one tap ⢠Reset view to recenter on your root node DESIGNED FOR THINKING Whether you are outlining a project, sketching a story arc, planning a trip, or untangling a problem, Tendril stays out of the way and just keeps your ideas connected. PRIVACY No tracking. No accounts. Your mindmaps live on your device.
Marginalias
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Keep the quote with its source Evidence Board collects exact passages across your documents, with topics and notes. Verify each clip against the local source and share a focused Markdown evidence sheet. ⢠Open a document ā Clip evidence. Enter an exact passage of at least three characters and choose its occurrence. ⢠Save a topic and note with the clip. Open Evidence Board from the library to find and review clips. ⢠Open a clip to verify its quote and source hash, edit notes, or share the visible board. Exact case-sensitive matching shows up to 32 occurrences. A source hash identifies the local text version; it is not proof of authorship or truth. Up to 256 clips and 1 MiB are retained. Unavailable or changed sources are reported. Marginalias is a private reading companion for your own documents. Import text-based PDFs, plain text, or Markdown notes, then use on-device intelligence to summarize, ask questions, and pull out useful structure without sending your content to a developer server. Build a local library of documents, open the source text whenever you need it, and keep AI output close to the material it came from. Marginalias is designed for focused review, research, note cleanup, study, and document triage. Features: - Import text-based PDFs, plain text, and Markdown - Keep a searchable local document library - Generate concise document summaries - Ask questions grounded in document excerpts - Inspect exact evidence excerpts, character ranges, and PDF pages behind generated claims - See the retrieved context used for each answer - Extract key points, action items, outlines, and glossary terms - Copy and share generated output - Use light, dark, or system appearance - Review a bundled sample document before importing your own files Privacy: Marginalias does not require an account, does not include analytics or advertising SDKs, and does not collect your documents or AI output. Documents and generated output stay on your device. Device note: AI features use Apple on-device intelligence. If Apple Intelligence is unavailable or not enabled, importing and reading documents still work and the app explains the requirement.
Screenshots
Verdict
The clearest difference is price: Tendril Mindmap at Free against Marginalias's $3.99. Tendril Mindmap also leads on iOS requirement (17.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Tendril Mindmap is free to download; Marginalias costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Tendril Mindmap | Marginalias |
|---|---|---|
| Price | Free ā better | $3.99 |
| Update frequency | ā | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad ā better |
| Requires iOS | 17.0 ā better | 26.0 |
| Further details ā not scored | ||
| Size | 0 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Linh Phan Nhat Khanh | Robert Corbin |
In-app purchases
Tendril Mindmap
No in-app purchases
Marginalias
No in-app purchases









