Comparison

Lekh vs Scratchpad

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

Head to head
About

Lekh

This app transforms your hand-drawn sketches into clean, precise diagrams and flowcharts. Create mind maps, floor plans, UI wireframes, and more on an infinite canvas, with AI assistance available. Work online or offline across multiple devices.

Highlights
  • Sketch-to-shape recognition
  • Infinite canvas
  • Photo markup and visual notes
  • Floor plan and site plan creation
  • Swimlane and business process diagrams
  • UI wireframing
  • AI diagram assistance
Features
Read full description

Lekh is a diagram and flowchart maker that understands your sketches. Draw a box, an arrow or a wall by hand and Lekh turns it into a clean shape. Make flowcharts, diagrams, floor plans and layouts, mind maps, UML and network diagrams, mark up photos and take visual notes, on iPhone, iPad, Mac and the web, online or offline. Infinite canvas: Lekh whiteboard offers an infinite canvas, giving you the freedom to draw concepts, ideas, or diagrams as if you had limitless and endless paper. Diagram & flowchart maker: You can draw flowchart shapes and diagramming shapes such as rectangles, circles, connection lines etc just by sketching. In smart mode, you draw as naturally as on paper, and Lekh automatically transforms your rough sketches into precise shapes and connections. Lekh features best-in-class shape recognition technology. Photo markup & visual notes: Import a photo, screenshot or plan and draw on it: circle problems, add arrows, measurements and text. Keep handwritten notes and sketches next to your diagrams on one infinite canvas. Floor plans, site plans & inspection drawings: Lekh is perfect for creating roof, window, or house inspection drawings where you need to design layouts and add measurements. With Lekh's smart mode, you can quickly sketch layouts on the screen and easily add text by double-clicking anywhere. It's also great for quickly drawing basic floor plans, house plans, street maps, parking lot layouts, fence layouts, and more. Mark posts and gates on a fence run, write window and door sizes on a photo of each opening, draw gutter and downspout runs on a house photo, and sketch deck, patio and shed site plans. Turn on scaling to draw to scale in inches or cm, write the measurements on, and export a PDF for your customer. Sketch simple wiring and electrical layouts with lines, shapes and labels. Swimlane diagram & business process mapping: With Lekh, you can create swimlane diagrams, process flow diagrams, and business process mapping diagrams. The Lekh shape library includes BPMN and Archimate shapes, allowing you to draw any type of business diagram. Rapid UI Wireframing: Lekh enables you to create UI wireframes swiftly. The shape library offers customizable wireframe shapes that can be easily configured to achieve your desired results in no time. More diagram types: With Lekh, you can create a wide variety of diagrams, including mindmaps, UML, ERD, sequence diagrams, state diagrams, use cases, data flow diagrams (DFD), org charts, and cloud architectures like AWS, GCP, and Azure, among others. Works with AI: Lekh supports MCP, so you can connect the AI assistant you already use and ask it to create or edit diagrams on your board. Everything it makes is a normal Lekh board you can keep refining by hand. Online and Offline mode: Lekh functions in both online and offline modes. In online mode, your drawings and diagrams are stored on the Lekh cloud, allowing you to access them from any device, including through browsers. This mode also enables real-time collaboration, where multiple users can draw on the same canvas simultaneously. In offline mode, all drawings are saved directly to your device, and no internet connection is needed. Cross platform: Lekh is a cross-platform app that works on a wide range of devices, including browsers. Visit our homepage to learn more. Free and Individual plans: Free: 3 cloud boards and unlimited boards on your device. Individual plan: unlimited cloud boards, sync, real-time collaboration and custom shape libraries. We appreciate every feedback we receive. Your constant interest and improvement ideas keep the updates coming. Check out https://lekh.app for more info. Reach out to us at info@lekhapp.com for any query. Visit our youtube channel https://www.youtube.com/channel/UCiNazNZGwEkefO_kJXXdX6g for video demos. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Scratchpad

This app functions as a digital whiteboard, perfect for capturing and organizing your ideas. It offers seamless note management and keeps a full history of your entries, designed for intuitive use with a stylus.

Highlights
  • Digital whiteboard functionality
  • Add and remove notes easily
  • Maintains a complete history of entries
  • Optimized for Apple Pencil
  • Intuitive thought organization
Features
Read full description

Designed specifically with the Apple Pencil in mind. This app acts as a whiteboard for your thoughts. Add and remove notes easily from your boards all the while maintaining a complete history of everything that you have ever written. We hope that you enjoy this app!

Screenshots

Lekh4 screens

Verdict

The call

The clearest difference is in-app purchases: Scratchpad at none against Lekh's 2. Scratchpad also leads on ratings volume (59 vs 15) and iOS requirement (13.0 vs 17.0). Lekh's advantage is review sentiment (72% vs 50%) and device support (3 vs 1). On price, rating and ads 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. Lekh sells 2 in-app purchases, starting at $3.99 per month. Scratchpad asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for Lekh against 4.3 for Scratchpad. Both are backed by a comparable volume of ratings — 15 and 59 respectively. Written reviews are what separate them: 72% of Lekh's written reviews are positive against 50% of Scratchpad's.

Scorecard6 real differences · 4 level
Lekh versus Scratchpad: the parameters behind the verdict, then further details
ParameterLekhScratchpad
PriceFreeFree
Rating4.2 (15 ratings)4.3 (59 ratings) — better
Positive reviews71.9% of reviews — better50.0% of reviews
Number of ratings1559 — better
Update frequencyFortnightly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, Mac — betteriPad
Requires iOS17.013.0 — better
Further details — not scored
Size21 MB10 MB
Age rating4+4+
DeveloperLEKHAPP LLCDito Technologies LLC

Customer experience

Lekh

All ratings15 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews57 reviews
Positive71.9%
Neutral10.5%
Negative17.5%

Scratchpad

All ratings53 ratings
Positive81.1%
Neutral7.5%
Negative11.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

2 purchases

Lekh

Subscriptions2
  • Lekh Premium for one month$3.991 Month
  • Lekh Premium for one year$34.991 Year
None

Scratchpad

No in-app purchases

Questions

Is Lekh free?
Lekh is free to download, with in-app purchases available.
Is Scratchpad free?
Scratchpad is free to download, with no in-app purchases.
Which has better reviews, Lekh or Scratchpad?
Scratchpad is rated higher. Lekh averages 4.2 out of 5 from 15 ratings, while Scratchpad averages 4.3 from 59 ratings.
Do Lekh or Scratchpad have ads?
Neither Lekh nor Scratchpad shows ads.

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