TechDraw min vs Diagrams Notepad 3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TechDraw min
This mobile drawing application offers a comprehensive set of tools, including geometric shapes and a text/equation editor. It facilitates collaboration and backup through data transfer and allows sharing on social media. A detailed user manual is also provided within the app.
- Geometric shape library
- Text and equation editor
- Drawing data transfer
- Social media sharing
- Integrated user manual
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TechDraw is a full-featured drawing application combining built-in geometric shapes with a text and equation editor. Drawing data can be transferred for collaborative work and backup, and drawings can be shared on the popular social media outlets. A full user manual is included in the app.
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 rating: TechDraw min at 4.2 against Diagrams Notepad 3's 3.5. TechDraw min also leads on in-app purchases (none vs 1). Diagrams Notepad 3's advantage is ads (none vs shown) and review sentiment (39% vs 11%). On price, 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. Diagrams Notepad 3 sells 1 one-off in-app purchase. TechDraw min asks for nothing beyond the download.
TechDraw min holds the better App Store score, 4.2 against 3.5. That said, the two scores are not equally well evidenced: Diagrams Notepad 3 has 51 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 11% of TechDraw min's written reviews are positive against 39% of Diagrams Notepad 3's, so the app with the better star average is not the one people write more warmly about.
TechDraw min ships an update every 4 months, Diagrams Notepad 3 monthly. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.
| Parameter | TechDraw min | Diagrams Notepad 3 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | 3.5 (51 ratings) |
| Positive reviews | 11.1% of reviews | 39.0% of reviews — better |
| Number of ratings | 5 | 51 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 68 MB | 29 MB |
| Age rating | 12+ | 4+ |
| Developer | Kelly Technology Inc. | sunata UG (haftungsbeschraenkt) |
Customer experience
TechDraw min
Diagrams Notepad 3
In-app purchases
TechDraw min
No in-app purchases
Diagrams Notepad 3
- Unlimited number of diagrams$22.99
Questions
Is TechDraw min free?
Is Diagrams Notepad 3 free?
Which has better reviews, TechDraw min or Diagrams Notepad 3?
Do TechDraw min or Diagrams Notepad 3 have ads?
Which is updated more often, TechDraw min or Diagrams Notepad 3?
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