Comparison

Concepts vs Pixel Scaler

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

Head to head
About

Concepts

This flexible vector-based sketchbook offers an infinite canvas for ideation and design. Easily sketch, take notes, and create detailed designs with editable strokes and powerful tools. Share your work in various formats for seamless collaboration and professional output.

Highlights
  • Infinite canvas
  • Vector-based sketching
  • Realistic pens, pencils, and brushes
  • Editable vector elements
  • Unlimited layers
  • Scale and measurement tools
  • Object libraries
Features
Read full description

Think, plan & create – Concepts is a flexible vector-based sketchbook where you can take your ideas from concept to reality. Concepts reimagines the ideation process – offering a safe and dynamic workspace to iterate and explore your ideas, organize your thoughts, and experiment with designs. With our infinite canvas, you can: • Sketch plans and whiteboard ideas • Make notes, doodles, and mindmaps • Draw storyboards, product sketches and designs Concepts is vector-based, making every stroke editable and scalable. With our Nudge, Slice and Select tools, you can easily change any element of your sketch without redrawing it. Talented creators at Disney, Playstation, Philips, HP, Apple, Google, Unity and Illumination Entertainment use Concepts to develop and realize extraordinary ideas. Join us! Concepts has: • An infinite canvas with optional paper types and grids • Realistic pens, pencils and brushes that flow with pressure, tilt and velocity or create your own • A tool wheel or bar you can personalize • HSL, RGB and COPIC color wheels • Editable vector-based sketching – move, organize and edit the tool, color, size, scale, smoothing, opacity; transform or nudge lines to shape them • Unlimited layers • Scale and measurement tools that calculate real-world dimensions With Concepts, you can: • Drag + drop images + PDF files • Create, store and share vector Object libraries • Export images, vector SVG + PDFs to scale for printing or efficient flow between apps (including Procreate, Sketchbook, AutoCAD and Adobe) • Share directly to email, text, Files, cloud, photos, or your favorite social apps and present with AirPlay or a second screen • Store your work safely in your personal iCloud Drive FREE FEATURES • Infinite canvas • A selection of paper, grid types & tools to get you started • The full COPIC color spectrum, RGB and HSL color wheels • Five layers • Unlimited drawings • JPG exports PAID FEATURES Subscription: • 200+ brush and Object libraries, features, and services • Enjoy Team Sharing for smooth collaboration, including live-sharing of object libraries, color palettes & brushes, with new updates arriving all the time • Unlocks everything across platforms • TRY PREMIUM FREE FOR 7 DAYS One-time-purchases: • Buy the Essentials for life and unlock selection & editing tools, infinite layers, shape guides, custom brushes, custom grids, and exports to PNG / PSD / SVG / DXF. • Pay for advanced features as you need them – object packs & professional brushes are sold separately • Limited to the platform you purchase on Terms & Conditions: • Monthly and yearly subscription payments are charged to your iTunes account at the time of purchase. • Your plan will renew automatically at the end of the billing period unless canceled 24 hours before the billing period ends. • You can cancel or make changes to your subscription at any time in your iTunes Account settings. • Unused portions of any free trial period are forfeited if you make changes to your subscription. We’re dedicated to quality and update frequently based on your feedback. Your experience matters to us. Chat with us in-app via Ask Us Anything, email us at concepts@tophatch.com, or find us anywhere with @ConceptsApp. COPIC is the trademark of Too Corporation. Many thanks to Lasse Pekkala and Osama Elfar for the cover art!

About

Pixel Scaler

Enlarge your images without losing quality for game development, social media, or other uses. Supports PNG and JPEG formats, scaling up to 10,000 pixels.

Highlights
  • Lossless image scaling
  • Supports PNG and JPEG
  • Scale up to 10,000 pixels
  • Easy to use interface
  • High-resolution output
Features
Read full description

Pixel Scaler is an easy-to-use image scaling tool that helps you to enlarge your images without losing quality for game development, social media, or any other uses. 1. Upload your image in PNG* & JPEG formats 2. Scale your image up to 10 000 pixels 3. Save the image 4. Enjoy your awesome high-res image * We always recommend using PNG format for pixel-perfect results. JPEG's compression might result in artifacts in the final image. Note: If you have any issues, please feel free to contact us with our support email  support@limedeck.io

Screenshots

Concepts4 screens
Pixel Scaler4 screens

Verdict

The call

The clearest difference is review sentiment: Concepts at 77% against Pixel Scaler's 0%. Concepts also leads on price (Free vs $1.99) and rating (4.7 vs 3.0). Pixel Scaler's advantage is in-app purchases (none vs 13) and chart position (#41 vs #186). On ads, device support 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

Concepts is free to download; Pixel Scaler costs $1.99 up front. Concepts sells 13 in-app purchases, starting at $4.99 per month. Pixel Scaler asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Concepts holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Concepts has 26K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 77% of Concepts's written reviews are positive against 0% of Pixel Scaler's.

UpkeepUpdate frequency

Concepts ships an update fortnightly, Pixel Scaler every 8 months. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard8 real differences · 3 level
Concepts versus Pixel Scaler: the parameters behind the verdict, then further details
ParameterConceptsPixel Scaler
PriceFree — better$1.99
Rating4.7 (26K ratings) — better3.0 (2 ratings)
Positive reviews77.1% of reviews — better0.0% of reviews
Number of ratings26K — better2
Update frequencyFortnightly — betterEvery 8 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#186#41 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better16
Further details — not scored
Size258 MB1 MB
Age rating4+4+
DeveloperTopHatch, Inc.LimeDeck, s. r. o.

Customer experience

Concepts

All ratings26,451 ratings
Positive94.3%
Neutral3.0%
Negative2.7%
Written reviews1,909 reviews
Positive77.1%
Neutral8.9%
Negative14.0%

Pixel Scaler

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Bugs and requests

Concepts

Reported bugs

4 issues
  • Memory issues when working with large, complex drawings
  • Inconsistent behavior of the eraser tool
  • Inaccuracies in the snap-to-grid and measurement tools
  • Exporting issues, such as loss of data or poor quality

Requested features

5 requests
  • Improved text editing and formatting options
  • Better color selection and customization tools
  • Collaboration and real-time sharing features
  • Seamless integration with other design/productivity apps
  • Syncing and backup capabilities across devices

Pixel Scaler

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

Concepts

Subscriptions4
  • Everything Monthly$4.991 Month
  • Everything Monthly + Trial7 Days trial$4.991 Month
  • Everything Yearly$29.991 Year
Show 1 more
  • Everything Yearly + Trial7 Days trial$29.991 Year
One-time9
  • Shape Library$1.99
  • Pen Brush Pack$1.99
  • Body Forms$1.99
Show 6 more
  • Make Your Own Objects$3.99
  • Essentials (iPhone Only)$4.99
  • PDF Essentials$4.99
  • Pro Pack [Legacy]$7.99
  • 10 Object Packs$14.99
  • Essentials$39.99
None

Pixel Scaler

No in-app purchases

Questions

Is Concepts free?
Concepts is free to download, with in-app purchases available.
Is Pixel Scaler free?
Pixel Scaler costs $1.99, with no in-app purchases.
Which has better reviews, Concepts or Pixel Scaler?
Concepts is rated higher. Concepts averages 4.7 out of 5 from 26K ratings, while Pixel Scaler averages 3.0 from 2 ratings.
Do Concepts or Pixel Scaler have ads?
Neither Concepts nor Pixel Scaler shows ads.
Which is updated more often, Concepts or Pixel Scaler?
Concepts ships an update fortnightly, and Pixel Scaler every 8 months. Most recently, Concepts was updated on September 24, 2026 and Pixel Scaler on September 21, 2026.
Which is more popular, Concepts or Pixel Scaler?
Concepts currently peaks at #186 in the App Store charts, and Pixel Scaler at #41. Chart position reflects recent download velocity rather than total install base.

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