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NotanIzer

NotanIzer

by bigpantsgroup LLC

88 ratings
44 reviews
#53 in paid Photo & Video
📊 Productivity
📷 Photo & Video
$1.99

Details

  • Released
  • Updated
  • November 11, 2016
  • February 26, 2026

Developer

bigpantsgroup LLC
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iphone
ipad
📉no. 53
Charts↘︎
⭐44
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
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📦~ in 1 month
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About

This app helps artists analyze the light and dark elements in their images. It offers various tools to convert images to black and white, grayscale, or multi-level palettes, allowing for detailed structural analysis and design enhancement. Users can also invert filter displays and share their processed images.

✓Black and white conversion with adjustable threshold
✓Grayscale and color display modes
✓Multi-level color palette generation (3, 4, 10 levels)
✓Adjustable level sliders
✓Slice function to highlight value ranges
✓Invert filter display option
✓Image sharing capabilities
Show original description

What's New in NotanIzer

3.2

February 26, 2026

Restored cloud syncing between devices UI Updates for OS 26

Charts

Top Paid

📉 53-4

Photo & Video

This app dropped -4 positions in Photo & Video chart.

Last updated on July 25, 2026.

User reviews

Most RecentHighest RatedLowest Rated

Greatest

Amazing tool making my artwork vibrantly clear.
Nanobug68Nanobug68

Great app for converting images to posterized version.

I use this app to convert photographs to a posterized version for using with gel printing.
NorthdixieNorthdixie

Response from developer

I am always surprised by the way people use our apps. Glad it’s working for you!

Yes

i don’t use it to paint (necessarily) i just dig the images it creates. Bravo!
highlikeaflyhighlikeafly

Wessex artist

A useful tool for serious or fun art
ferndownwalkerferndownwalker

Simple and brilliant

I take many art classes and they always recommend this app, so you had to something right.
ArtovitchArtovitch
See 39 more reviews

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FAQ

What does NotanIzer do?

NotanIzer is an application designed to help artists analyze the interplay of light and dark elements within their images, a concept known as Nōtan. It provides tools to visualize image structure and enhance details by manipulating color values.

What are the key features of NotanIzer?

Key features include converting images to black and white with an adjustable threshold, displaying images in grayscale or color to focus on structure, creating multi-level color palettes (3, 4, or 10 levels) with adjustable sliders, a 'Slice' function to highlight specific value ranges, and the ability to invert filter displays to reveal hidden details. It also allows for image sharing.

Is NotanIzer free to use?

Yes, based on the provided information, NotanIzer is available for free. There are no mentions of in-app purchases or advertisements, suggesting a completely free user experience.

Who would benefit from using NotanIzer?

Any artist or designer who works with visual composition would benefit from NotanIzer. It is particularly useful for those who want to understand and refine the balance of light and dark elements in their artwork, photography, or digital designs.

How can NotanIzer help with image composition?

By simplifying images into black and white, grayscale, or distinct color levels, NotanIzer allows artists to see the underlying structure and value relationships more clearly. This helps in identifying areas that might be lost in complex imagery and making informed decisions about composition and design.