DrawViewer vs DiagramFlow Studio
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.
DiagramFlow Studio
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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 • Create projects with connected nodes • Drag nodes around the canvas • Add, edit, and connect ideas • Apply an automatic layout when you want a clean starting point START FROM TEXT • Convert a Markdown outline into diagram nodes • Keep a readable outline alongside the visual canvas • Search and organize your project library SAVE AND DELIVER • Create named version snapshots • Export the complete project as Markdown, SVG, or JSON • 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
Verdict
The clearest difference is in-app purchases: DrawViewer at none against DiagramFlow Studio's 1. On price, ads, device support and iOS requirement 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. DiagramFlow Studio sells 1 one-off in-app purchase. DrawViewer asks for nothing beyond the download.
| Parameter | DrawViewer | DiagramFlow Studio |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Florian Schwaikl | Yu Shiung Jiang |
In-app purchases
DrawViewer
No in-app purchases
DiagramFlow Studio
- 圖流 DiagramFlow Studio Pro 解鎖$2.99
Questions
Is DrawViewer free?
Is DiagramFlow Studio free?
Do DrawViewer or DiagramFlow Studio have ads?
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