Borealis - Icon Pack
Overview
Borealis – Icon Pack, developed by Unvoid, is recognized as a premier iconography and interface theming suite within the Android ecosystem. Built around the principles of visual harmony, chromatic vibrancy, and brand fidelity, Borealis directly resolves the visual fragmentation across the open Android operating system. Where diverse third-party applications introduce conflicting silhouettes, inconsistent palettes, and disparate design languages, Borealis unifies the entire application drawer and home screen under a consistent, modern squircle geometric profile.
The technical scale of Borealis is highlighted by its library of handcrafted vector drawables, containing over 25,000 individually designed icons. Rather than applying uniform color filters or severe visual abstractions that compromise recognizable branding, Unvoid employs a balanced design philosophy. Each icon retains the trademarked color schemes and visual identity of the original brand while transposing the graphics into a uniform rounded square with subtle gradients, balanced dropshadows, and refined edge highlights.
To manage unthemed or newly installed applications, Borealis incorporates an automated multi-layer icon masking engine. When an application lacks a dedicated vector asset, the launcher-side rendering pipeline extracts the application's base glyph, scales it proportionately, and sets it against a color-matched squircle base with consistent shadow geometry. This algorithmic fallback prevents visual jarring in dense app drawers. Furthermore, the pack supports dynamic calendar drawables that automatically update their face numeral to reflect the active calendar date across supported custom launchers.
The software operates through a Blueprint-based dashboard application that manages launcher integrations. Through this interface, users can apply the icon pack with a single tap to major third-party launchers, including Nova Launcher, Lawnchair, Niagara Launcher, Smart Launcher, and Action Launcher. The dashboard also hosts a curated, cloud-based gallery of high-definition minimalist wallpapers specifically color-graded to match the icon palette, a categorical icon search tool, and an automated icon request manager that packages application component identifiers for developer review.
Pros & Cons
Contains an expansive catalog of over 25,000 handcrafted vector icons.
Maintains recognizable brand identities while enforcing a uniform squircle geometric framework.
Employs an adaptive icon masking engine that blends unthemed applications into the overall aesthetic.
Includes a cloud-based wallpaper repository designed to complement the icon pack's color palette.
Supports one-tap configuration across major third-party Android launchers.
Operates under a clean upfront paid model free from in-app advertising, recurring subscriptions, or analytics trackers.
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Cannot be applied system-wide on certain locked stock OEM launchers (such as Pixel Launcher) without third-party shortcut tools.
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Substantial local storage footprint due to the large volume of high-resolution vector assets.
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Processing times for free community icon requests can be lengthy due to high submission volumes.
Download
Get it on Google Play 
Get it on App Store FAQs
Can Borealis be applied on stock launchers like Samsung One UI or Google Pixel Launcher?
On Samsung One UI, Borealis can be applied using Samsung Theme Park (via Good Lock); on Google Pixel Launcher, a custom third-party launcher or shortcut creator is required.
How does the icon masking pipeline handle obscure or enterprise applications?
The masking engine scales the original icon glyph and places it on a color-matched squircle base, ensuring unthemed apps maintain the same geometric footprint.
Does the icon pack support dynamic date updates on calendar applications?
Yes. The package includes dynamic calendar assets that automatically increment the displayed date daily on compatible launchers.
How are missing icon requests submitted to the development team?
The built-in dashboard includes an automated tool that extracts application package names and component activities, formatting them into an email submission for developer tracking.
Does applying Borealis cause background battery drain or system latency?
No. Icon packs serve as static graphical resources queried by the launcher process, introducing zero background execution overhead or battery consumption.
Hot Reviews
Summarized from Google Play reviews and community discussions.
Customization enthusiasts consistently praise Borealis for harmonizing disparate application icons without sacrificing original brand colors and recognizability.
Reviews highlight that even when niche regional or enterprise applications lack custom drawables, the adaptive masking engine blends them into the squircle layout smoothly.
Long-term users commend the developer's sustained update schedule, noting frequent additions of new icons, updated brand logos, and curated wallpapers.
Community discussions often note that limitations regarding stock OEM launcher theming stem from Android platform constraints rather than issues within the icon pack.