TechDraw min vs Lekh
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.
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.
- 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
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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/
Screenshots
Verdict
TechDraw min and Lekh both sit at 4.2 stars, but that hides the real split: 72% of Lekh's written reviews are positive against 11% of TechDraw min's. Lekh also leads on ads (none vs shown) and update cadence (fortnightly vs every 4 months). TechDraw min's advantage is in-app purchases (none vs 2) and iOS requirement (14.0 vs 17.0). On price, rating and device support 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. Lekh sells 2 in-app purchases, starting at $3.99 per month. TechDraw min asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.2 for TechDraw min against 4.2 for Lekh. Both are backed by a comparable volume of ratings — 5 and 15 respectively. Written reviews are what separate them: 11% of TechDraw min's written reviews are positive against 72% of Lekh's.
TechDraw min ships an update every 4 months, Lekh fortnightly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.
| Parameter | TechDraw min | Lekh |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) | 4.2 (15 ratings) |
| Positive reviews | 11.1% of reviews | 71.9% of reviews — better |
| Number of ratings | 5 | 15 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 68 MB | 21 MB |
| Age rating | 12+ | 4+ |
| Developer | Kelly Technology Inc. | LEKHAPP LLC |
Customer experience
TechDraw min
Lekh
In-app purchases
TechDraw min
No in-app purchases
Lekh
- Lekh Premium for one month$3.991 Month
- Lekh Premium for one year$34.991 Year









