Comparison

TechDraw min vs Diagrams Notepad 3

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

Head to head
About

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.

Highlights
  • Geometric shape library
  • Text and equation editor
  • Drawing data transfer
  • Social media sharing
  • Integrated user manual
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

TechDraw min4 screens
Diagrams Notepad 34 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Diagrams Notepad 3 sells 1 one-off in-app purchase. TechDraw min asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
TechDraw min versus Diagrams Notepad 3: the parameters behind the verdict, then further details
ParameterTechDraw minDiagrams Notepad 3
PriceFreeFree
Rating4.2 (5 ratings) — better3.5 (51 ratings)
Positive reviews11.1% of reviews39.0% of reviews — better
Number of ratings551 — better
Update frequencyEvery 4 monthsMonthly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS14.0 — better15.0
Further details — not scored
Size68 MB29 MB
Age rating12+4+
DeveloperKelly Technology Inc.sunata UG (haftungsbeschraenkt)

Customer experience

TechDraw min

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews9 reviews
Positive11.1%
Neutral0.0%
Negative88.9%

Diagrams Notepad 3

All ratings51 ratings
Positive62.7%
Neutral3.9%
Negative33.3%
Written reviews105 reviews
Positive39.0%
Neutral8.6%
Negative52.4%

In-app purchases

None

TechDraw min

No in-app purchases

1 purchases

Diagrams Notepad 3

One-time1
  • Unlimited number of diagrams$22.99

Questions

Is TechDraw min free?
TechDraw min is free to download, with no in-app purchases.
Is Diagrams Notepad 3 free?
Diagrams Notepad 3 is free to download, with in-app purchases available.
Which has better reviews, TechDraw min or Diagrams Notepad 3?
TechDraw min is rated higher. TechDraw min averages 4.2 out of 5 from 5 ratings, while Diagrams Notepad 3 averages 3.5 from 51 ratings.
Do TechDraw min or Diagrams Notepad 3 have ads?
TechDraw min shows ads; Diagrams Notepad 3 does not.
Which is updated more often, TechDraw min or Diagrams Notepad 3?
TechDraw min ships an update every 4 months, and Diagrams Notepad 3 monthly. Most recently, TechDraw min was updated on October 16, 2026 and Diagrams Notepad 3 on October 14, 2026.

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