Lekh vs FlexiCalc
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
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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 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/
FlexiCalc
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FlexiCalc is the ultimate professional tool designed for anyone who needs to calculate rates, earnings, and service quotes quickly and effectively while on the move. Say goodbye to complex mental math or lost notes: simply enter your variables and get an instant estimation of your final price. Developed with a sleek, modern dark interface, it is fully optimized to reduce eye strain during your long working days. Why choose FlexiCalc? Instant Automatic Calculation: Input your data and watch your final price update in real time with zero extra steps. Distance & Travel Section: Keep track of total kilometers and set your own custom rate per km. Time & Labor Tracking: Easily configure estimated service hours alongside your dedicated hourly rate. Extra Expenses Under Control: Add tolls, materials, or fixed secondary costs in a single tap. Integrated Local History Log: Save your best quotes instantly to review, track, or compare them whenever you need. Quick Report Sharing: Send a clean, professional text summary directly to your clients via WhatsApp, SMS, or Notes. Streamline your business, speed up your client responses, and deliver flawless quotes with FlexiCalc!
Screenshots
Verdict
The clearest difference is in-app purchases: FlexiCalc at none against Lekh's 2. Lekh's advantage is device support (4 vs 2) and iOS requirement (13.4 vs 16.6). On price 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
Both are free to download. Lekh sells 2 in-app purchases, starting at $3.99 per month. FlexiCalc asks for nothing beyond the download.
| Parameter | Lekh | FlexiCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (15 ratings) — better | — |
| Positive reviews | 71.9% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 16.6 |
| Further details — not scored | ||
| Size | 15 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | LEKHAPP LLC | SIMONE LA SALANDRA |
In-app purchases
Lekh
- Lekh Premium for one month$3.991 Month
- Lekh Premium for one year$34.991 Year
FlexiCalc
No in-app purchases









