Apps Like Lekh: whiteboard & diagramming for iPhone and iPad
Draw, diagram, and collaborate anywhere
Create diagrams and flowcharts using shapes like rectangles, circles, and arrows. Draw freehand or use geometric figures. Collaborate in real-time on an infinite canvas. Export diagrams in multiple formats.
by LEKHAPP LLC★ 4.215 ratingsProductivityFreeData updated 2026-09-08
Create visual diagrams, maps, flowcharts, and outlines to organize ideas. Add notes, links, and images to nodes. Export as PDF or image. Share maps with others. Sync across devices. Customize themes and layouts.
View and interpret ECG traces with detailed annotations and explanations. Access fully interpreted cases with clinical findings and differential diagnoses. Search for specific ECG patterns and review associated medical conditions.
Learn aircraft systems with interactive hydraulic, electric, fuel, and bleed air . Manipulate switches to visualize system responses and practice failure scenarios. Simulate procedures and observe outcomes to reinforce understanding.
Generate chord progressions based on selected moods for guitar, piano, and ukulele. Explore alternative progressions for song sections like bridges or solos. Listen to examples or play along. Save and share created progressions.
Learn to fold using sticky notes, business cards, and printer paper. Follow step-by-step guides with high-quality images for each design. Access 30 models including a container, cube, basketball hoop, and yacht.
Model business processes using BPMN, Value Stream Maps, and EPC diagrams. Create organizational charts, mind maps, UML diagrams, and SOPs. Collaborate with team members and export models in multiple formats.
Learn with 3D diagrams showing finger positions. Hear each note's sound and view real-time demonstrations by a saxophonist. Access lessons for different types including soprano, alto, tenor, and baritone.
Check warranty details, inventory availability, order status, and technical manuals for products. Access tech specifications and order history. Receive support and track business growth tools.
The app offers two file types: multi-page files for organizing knowledge and free-form files with an infinitely large canvas for creativity. It supports PDF imports and provides tools for drawing geometric shapes, making it suitable for various uses.
Collaborate on drawings in real time from any device. Draw over PDFs and images or capture photos to annotate. Share drawings with others via or web. Save annotated files as new PDFs.
Learn to fold bills into 20 detailed designs. Follow step-by-step visual guides and view finished product photos. Create artistic shapes for gifts, tips, or entertainment.
Create handwritten notes on iPad or iPhone. Import and annotate PDFs. Draw ink with finger, resize, recolor, and move doodles. Add text with customizable fonts, color, and alignment. Include shapes like arrows, polygons, and diagrams.
Create diagrams such as flowcharts, UML, ER diagrams, and mind maps. Use pre-designed templates and drag-and-drop elements. Customize with symbols, shapes, and colors. Export diagrams as images or print directly.