Comparison

Lekh vs PureFlow

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 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.

Highlights
  • 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
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 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/

About

PureFlow

Create professional flowcharts and diagrams with ease. Its intuitive interface is optimized for diagram editing, allowing for the rapid creation of visually appealing charts.

Highlights
  • Flowchart creation
  • Diagram editing
  • Intuitive interface
  • Fast diagram generation
  • Visually appealing charts
Read full description

PureFlow is a simple app for creating flowcharts. The interface of the app is designed specifically for editing flowcharts, which makes it possible to create fancy looking diagrams in a very short time.

Screenshots

Lekh4 screens

Verdict

The call

The clearest difference is in-app purchases: PureFlow at none against Lekh's 2. PureFlow also leads on rating (4.7 vs 4.2) and ratings volume (162 vs 15). Lekh's advantage is device support (4 vs 1). On price, update cadence, ads and iOS requirement 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. PureFlow asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PureFlow holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: PureFlow has 162 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 72% of Lekh's written reviews are positive against 85% of PureFlow's.

UpkeepUpdate frequency

Lekh ships an update fortnightly, PureFlow weekly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

Scorecard6 real differences · 4 level
Lekh versus PureFlow: the parameters behind the verdict, then further details
ParameterLekhPureFlow
PriceFreeFree
Rating4.2 (15 ratings)4.7 (162 ratings) — better
Positive reviews71.9% of reviews84.8% of reviews — better
Number of ratings15162 — better
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPad
Requires iOS13.4 — better14.0
Further details — not scored
Size15 MB26 MB
Age rating4+4+
DeveloperLEKHAPP LLCAleksandr Kozlov

Customer experience

Lekh

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

PureFlow

All ratings154 ratings
Positive91.6%
Neutral3.2%
Negative5.2%
Written reviews158 reviews
Positive84.8%
Neutral5.7%
Negative9.5%

Bugs and requests

Lekh

Not enough reviews yet to summarise bugs or requests.

PureFlow

Reported bugs

3 issues
  • Crashes on certain iOS versions
  • Inability to save or export flowcharts
  • Alignment issues with text and shapes

Requested features

6 requests
  • Ability to add images or custom shapes
  • Improved text editing and formatting options
  • Straight line/right angle connections
  • Collaboration and real-time sharing features
  • Improved export options (e.g. Dropbox, Google Drive)
Show 1 more
  • Dark mode support

In-app purchases

2 purchases

Lekh

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

PureFlow

No in-app purchases

Questions

Is Lekh free?
Lekh is free to download, with in-app purchases available.
Is PureFlow free?
PureFlow is free to download, with no in-app purchases.
Which has better reviews, Lekh or PureFlow?
PureFlow is rated higher. Lekh averages 4.2 out of 5 from 15 ratings, while PureFlow averages 4.7 from 162 ratings.
Do Lekh or PureFlow have ads?
Neither Lekh nor PureFlow shows ads.
Which is updated more often, Lekh or PureFlow?
Lekh ships an update fortnightly, and PureFlow weekly. Most recently, Lekh was updated on October 24, 2026 and PureFlow on October 23, 2026.

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