PureFlow vs Diagrams Notepad 3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PureFlow
Create professional flowcharts and diagrams with ease. Its intuitive interface is optimized for diagram editing, allowing for the rapid creation of visually appealing charts.
- Flowchart creation
- Diagram editing
- Intuitive interface
- Fast diagram generation
- Visually appealing charts
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PureFlow is a simple app for creating flowcharts. The interface of the app is designed specifically for editing flowcharts, which makes it possible to create fancy looking diagrams in a very short time.
Diagrams Notepad 3
Create and sync diagrams, flowcharts, and mind maps across iPhone, iPad, and Mac. Supports Apple Pencil for drawing and offers collaboration features. Export in various formats.
- Cross-device sync via iCloud
- Vector-based shapes and connectors
- Apple Pencil support
- Diagram sharing and collaboration
- Export to PDF, PNG, JPEG
- Unlimited diagram size
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NEW - Create diagrams on iPhone, iPad and Mac and sync them together! New Design - Pencil Support - Folders - File Export/Import - Markup Editing - UML Class Editor and more... Create quickly and creatively wonderful diagrams and notes, flowcharts, mind maps, pinboards, organigrams, software models and AWS diagrams on your iPhone, iPad and Mac. Sync your diagrams optionally and automatically between all iOS and macOS devices. Add shapes, connectors, images, drawings and weblinks. Draw shapes and connectors, take notes and add markup with Apple Pencil or a finger. Share diagrams and collaborate on them with other users through iCloud. Key features • Automatic sync using iCloud between your iOS and macOS devices • Vector based shapes and connectors • Color themes and styles for the entire diagram • Drag and drop (on iPad) or copy and paste to insert graphics, photos or URLs (rich links) from other apps directly to the diagram • Drawing shapes and connectors with Apple Pencil or a finger • Undo and redo all changes • Export diagrams as vector PDF documents or PNG or JPEG images • Diagram iCloud sharing and collaboration with your team or friends • Designed for iOS and iCloud The app uses iCloud to optionally and automatically sync diagrams between your iOS and macOS devices. You can also share your diagrams and collaborate on them with other users. • Diagrams without size limits The diagram automatically resizes to fit your content as you add more shapes. You can add shapes from any side of the diagram. • Each diagram has its own style Your recently used color styles, shapes and connectors will be saved separately for each diagram. • Replace shapes and connectors at any time Replace any selected shapes in the diagram with another shape from the toolbar or with an image or web-link from the clipboard. The existing text and connections of connectors will not change. • Free version with all functions Download the free version of the application and try out all the features. You can add and edit two diagrams with a limited number of shapes in each diagram. Upgrading to an unlimited number of diagrams and shapes is possible through an In-App Purchase. • We are looking forward to your feedback If you enjoy using the Diagrams Notepad app, please add a rating or write a review on the App Store. If you have further questions or suggestions about the app, please send us an e-mail to: info@diagrams-notepad.com Thank you for using the Diagrams Notepad app!
Screenshots
Verdict
The clearest difference is review sentiment: PureFlow at 85% against Diagrams Notepad 3's 39%. PureFlow also leads on rating (4.6 vs 3.5) and in-app purchases (none vs 1). Diagrams Notepad 3's advantage is device support (4 vs 1). On price, ads 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. Diagrams Notepad 3 sells 1 one-off in-app purchase. PureFlow asks for nothing beyond the download.
PureFlow holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 154 and 51 respectively. Written reviews point the same way: 85% of PureFlow's written reviews are positive against 39% of Diagrams Notepad 3's.
PureFlow ships an update weekly, Diagrams Notepad 3 monthly. The most recent releases landed on July 27, 2026 and June 9, 2026 respectively.
| Parameter | PureFlow | Diagrams Notepad 3 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (154 ratings) — better | 3.5 (51 ratings) |
| Positive reviews | 84.8% of reviews — better | 39.0% of reviews |
| Number of ratings | 154 — better | 51 |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksandr Kozlov | sunata UG (haftungsbeschraenkt) |
Customer experience
PureFlow
Diagrams Notepad 3
Bugs and requests
PureFlow
Reported bugs
3 issues- Crashes on certain iOS versions
- Inability to save or export flowcharts
- Alignment issues with text and shapes
Requested features
6 requests- Ability to add images or custom shapes
- Improved text editing and formatting options
- Straight line/right angle connections
- Collaboration and real-time sharing features
- Improved export options (e.g. Dropbox, Google Drive)
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- Dark mode support
Diagrams Notepad 3
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PureFlow
No in-app purchases
Diagrams Notepad 3
- Unlimited number of diagrams$22.99








