Comparison

Sketch vs Blue Sketch

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

Head to head
About

Sketch

Create drawings and sketches directly on your device. Offers a wide range of colors, adjustable brush thickness, and transparency options for detailed artwork. Compatible across Apple devices.

Highlights
  • Minimalist interface
  • 16 million+ color selection
  • Adjustable brush thickness
  • Color transparency
  • Cross-device compatibility
Features
Read full description

Sketch Notes is a simple application that allows you to draw on the device. Several functions available : - Look minimal - Choose more than 16 million colors with RGB selection - Choose the thickness of the brush - Added the color transparency - Compatible with iPhone, iPad and Mac

About

Blue Sketch

This app allows you to quickly sketch and write ideas freely on a blue canvas. It offers essential drawing tools, page management, and sharing options. Focus on your creativity with a minimalist interface and robust organizational features.

Highlights
  • Handwritten note-taking
  • Drawing tools (pen, line, shapes)
  • Undo/Redo functionality
  • Page size and scaling options
  • Image sharing (PNG, JPG, PDF)
  • Document organization (folders, sorting)
  • Read-only mode
  • Apple Pencil support
Read full description

Sketch your idea! You can write freely and quickly because it is handwritten. You can concentrate on writing because it is the minimum function that can write only white lines on the blue canvas. Functions List: - Can be used as a notebook or notepad - Pen tool: draw a line - Straight line tool - Rectangle and Ellipse Tools - Switch between solid/dotted lines - Can change the size of the pen - Undo / Redo - Can change the page size - Can scale the page - Image sharing: Share an image as PNG, JPG, or PDF format. Also, you can share monochrome converted images. - List documents - List recently opened documents - Organize: Document folders - Sort documents and folders - Title documents and folders - Delete the document then put it into the trash box. - Restore the deleted document from the trash box. - Delete the document entirely in the trash box. - Copy documents: You can duplicate the document. Tap the copy button at the bottom right of the note screen to duplicate it. - Read-only mode: While in read-only mode, you can disable writing and prevent erroneous operations. You can change the settings by tapping the title on the note screen. - Option to use only Apple Pencil: Only available for iPad compatible with Apple Pencil. - Double-tap the Apple Pencil to switch between tools in sequence. - Apple Pencil Pro is also supported. - Can turn off/on the function the app puts the device into a sleep state if you don't touch the screen for a certain period while the page is displayed. About In-App Purchase: The first 20 pages can be used free of charge. After that, adding pages will be paid content. Please support the developer.

Screenshots

Sketch4 screens
Blue Sketch4 screens

Verdict

The call

The clearest difference is review sentiment: Blue Sketch at 77% against Sketch's 25%. Blue Sketch also leads on rating (4.7 vs 1.6) and update cadence (monthly vs every 7 months). Sketch's advantage is in-app purchases (none vs 2). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Blue Sketch sells 2 one-off in-app purchases. Sketch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Blue Sketch holds the better App Store score, 4.7 against 1.6. That said, the two scores are not equally well evidenced: Blue Sketch has 327 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 25% of Sketch's written reviews are positive against 77% of Blue Sketch's.

UpkeepUpdate frequency

Sketch ships an update every 7 months, Blue Sketch monthly. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

Scorecard7 real differences · 3 level
Sketch versus Blue Sketch: the parameters behind the verdict, then further details
ParameterSketchBlue Sketch
PriceFreeFree
Rating1.6 (7 ratings)4.7 (327 ratings) — better
Positive reviews25.0% of reviews76.9% of reviews — better
Number of ratings7327 — better
Update frequencyEvery 7 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.014.0 — better
Further details — not scored
Size8 MB23 MB
Age rating4+4+
DeveloperFrancesco AbbondoHituzi ANDO

Customer experience

Sketch

All ratings7 ratings
Positive14.3%
Neutral0.0%
Negative85.7%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Blue Sketch

All ratings327 ratings
Positive93.3%
Neutral2.8%
Negative4.0%
Written reviews13 reviews
Positive76.9%
Neutral0.0%
Negative23.1%

Bugs and requests

Sketch

Not enough reviews yet to summarise bugs or requests.

Blue Sketch

Reported bugs

1 issue
  • App crashed when attempting export on 2019 iPad Pro

Requested features

6 requests
  • More shapes for sketches (curves, polygons)
  • TEXT field option for readable font
  • Pinch/stretch to zoom
  • Finer and less pixelated pencil strokes
  • Option to add extra pages
Show 1 more
  • Feature to group elements for easy deletion

In-app purchases

None

Sketch

No in-app purchases

2 purchases

Blue Sketch

One-time2
  • 10 pages$0.99
  • 30 pages$1.99

Questions

Is Sketch free?
Sketch is free to download, with no in-app purchases.
Is Blue Sketch free?
Blue Sketch is free to download, with in-app purchases available.
Which has better reviews, Sketch or Blue Sketch?
Blue Sketch is rated higher. Sketch averages 1.6 out of 5 from 7 ratings, while Blue Sketch averages 4.7 from 327 ratings.
Do Sketch or Blue Sketch have ads?
Neither Sketch nor Blue Sketch shows ads.
Which is updated more often, Sketch or Blue Sketch?
Sketch ships an update every 7 months, and Blue Sketch monthly. Most recently, Sketch was updated on October 12, 2026 and Blue Sketch on October 16, 2026.

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