Lekh vs Justinmind
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lekh
This app provides an infinite canvas for freehand drawing and creating various diagrams. It intelligently converts sketches into precise shapes and connections, supporting a wide range of diagram types for business, design, and planning.
- Infinite canvas for drawing
- Smart diagram and flowchart creation
- Layout and inspection report drawing
- Swimlane and business process mapping
- Rapid UI wireframing
- Support for numerous diagram types
- Online and offline modes
Read full descriptionHide 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 Android, 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: Connect Lekh to Claude or ChatGPT and ask it to draw or change a diagram on your board. The result is a normal Lekh board you can keep editing 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/
Justinmind
Create fully functional mobile app prototypes with advanced gestures, transitions, and effects. View and test your designs on mobile devices, even offline, for seamless demos and presentations.
- Create interactive prototypes
- Mobile gestures and transitions
- Offline prototype viewing
- Cloud sharing
- Mobile and tablet adaptation
Read full descriptionHide full description
Justinmind’s prototyping tool is a one-stop shop for interaction design. Go far beyond a simple hotspot and create fully functional prototypes with mobile gestures, transitions and effects. Design mobile app prototypes that behave like the real thing! All your work created with Justinmind’s prototyping tool can be shared on the cloud. Once your prototypes are in the cloud, they become accessible via the Justinmind app viewer. This means you are free to test and experience your work using your mobile phone! Download your prototypes and have them at hand, working independent of internet access. Prepare for your demos or UX presentations and assure success, even when offline! The Justinmind app viewer adapts itself to your mobile and tablet devices. If you enjoy using Justinmind app, please share a nice review. It really helps!
Screenshots
Verdict
The clearest difference is rating: Lekh at 4.2 against Justinmind's 3.3. Lekh also leads on update cadence (fortnightly vs every 5 months) and review sentiment (72% vs 52%). Justinmind's advantage is in-app purchases (none vs 2). On price, ratings volume, ads 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. Justinmind asks for nothing beyond the download.
Lekh holds the better App Store score, 4.2 against 3.3. Both are backed by a comparable volume of ratings — 15 and 15 respectively. Written reviews point the same way: 72% of Lekh's written reviews are positive against 52% of Justinmind's.
Lekh ships an update fortnightly, Justinmind every 5 months. Both last shipped on October 24, 2026.
| Parameter | Lekh | Justinmind |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (15 ratings) — better | 3.3 (15 ratings) |
| Positive reviews | 71.9% of reviews — better | 52.4% of reviews |
| Number of ratings | 15 | 15 |
| Update frequency | Fortnightly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | LEKHAPP LLC | Justinmind |
Customer experience
Lekh
Justinmind
In-app purchases
Lekh
- Lekh Premium for one month$3.991 Month
- Lekh Premium for one year$34.991 Year
Justinmind
No in-app purchases









