One of the more expensive apps to grace the Windows Store has just seen a big discount, but only for the next few days.

Polarr is a pro-level photo editor which offers high-precision light and colour tools, advanced clarity and dehaze settings, the ability to create and save your own filters and much, much more.

It is designed for mouse and touch and features proprietary controller-inspired design for speed and precision, interactive in-app guide to photo editing, and expandable and collapsible workspace, a responsive and adjustable user interface to fit your screen and a hand-crafted collection of over 50 preset filters for quick edits.

The app is normally $19.99, but in honor of Earth Day (April 22nd), Polarr is offering their photo editor at the special discounted price of $0.99!

50% of all proceeds from April 18th to April 24th will be donated to Conservation International Foundation. The Foundation is currently matching all donations for the month of April- so your donation will be doubled 2x!

Polarr features include:

Import multiple and exports in batch

Color: temperature, tint, contrast

Light: exposure, highlights and shadows

Detail: clarity, sharpen, denoise, diffuse and dehaze

Optics: distortions, vignette, fringing

Advanced HSL and RGB Curve tools

Filter blending and mixing tools

Highlights/shadows toning tools

Multiple local adjustments areas

Circular and gradient filters

Powerful cropping and aspect control

Create custom filters based on history

Export photo at different settings

Persistent edit history tracking

Infinite undo and redo

Keyboard shortcuts

Watermarks tool

See screen shots of the app below:

Gallery : Polarr screen shots

Find the app in the Windows Store here.