Qwartz
Low-poly 3D, pixel-painted
Free · In‑App Purchases
Build low-poly 3D models, paint pixel art directly on faces, and export to glTF, OBJ, or STL for Godot, Unity and Blender.
Qwartz is a low-poly 3D modeler with built-in pixel painting on faces.
Model game-ready assets, paint pixel art directly onto mesh faces with no UV mapping required, stamp tile sheets to build levels, and export to glTF, OBJ, or STL.
Designed for indie game developers, pixel artists exploring 3D, and anyone who wants a focused 3D tool that respects their time.
START IN SECONDS
• A home screen with your models as thumbnails
• Starters: Cube, Grid, Blocky Character, a Tiled Room and a Terrain Block — the tiled ones come with their tile sheets, ready to stamp
• Isolate one object to work on it alone
• Tips on first launch, and Help from the app's menus
AUTO PIXEL PAINT
• Tap any face and start painting — pixels appear directly on the mesh
• Per-face pixel grid sized automatically from the geometry
• Built-in palettes: PICO-8, DB16, DB32, Endesga 32, or your own
• Pencil, eraser, fill, line, rectangle, circle, eyedropper
• Move vertices and the pixel grid resizes with nearest-neighbor resample
• No UV mapping required. No external tools.
LOW-POLY MODELING
• Object, face, edge, and vertex selection modes
• Extrude, inset, loop cut, subdivide, merge, slide, dissolve
• Transform gizmo with axis constraints and snapping
• Edge-loop and face-loop selection on double-click
• Seven primitives: cube, plane, cylinder, sphere, cone, torus, quad grid
• Full undo / redo for every operation
TILE MODE
• Import a tile sheet PNG and stamp tiles onto mesh faces
• Up to four layers per face: a base tile plus decals like windows, doors and signs
• Per-stamp rotation and flip, and Flip H / Flip V on any textured face
• Extrude faces to make walls, extrude edges to grow the grid
• The whole level stays one editable mesh
MATERIALS & UV EDITOR
• Color materials and PNG-textured materials
• Built-in UV editor with planar and box auto-unwrap
• Pixel-perfect paint tools directly on the UV texture
• Live preview synced between 3D viewport and UV editor
IMPORT & EXPORT
• Export to glTF (.glb), OBJ + MTL + PNG, and STL — pixel paint and tile layers baked in
• Render turntable GIFs and MP4 videos
• Import FBX and OBJ files
• Open your models in Blender, Unity, Unreal, Godot, or any 3D tool
• Open glTF and OBJ exports in any voxel or game-asset pipeline
NATIVE & UNIVERSAL
• Universal app — one purchase covers tablet and desktop
• Pencil drives tools, finger orbits the camera on touch devices
• Full hardware keyboard support
• Open and save models anywhere through the Files app
• Metal renderer, no compromises
PRIVACY FIRST
• All files stored locally on your device
• No account, no login, no tracking
• Works fully offline
ONE-TIME PURCHASE
Qwartz is free to download and evaluate. Every modeling and painting tool works during evaluation, for up to five models; renders carry a watermark. A single one-time purchase unlocks exporting and unlimited models, and removes the watermark.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Bevel arrives: cut off sharp edges and corners, or round them with more segments.
• Select faces, edges or vertices, tap Bevel in the action bar, then adjust Width and Segments in its panel.
• The Move, Rotate and Scale gizmos now follow your Pencil exactly.
• Lock in the outliner now works: a locked object stays in view but can’t be selected or changed.
• Corners you select in the UV editor now show on the model too.
• Turntables render in the background, with progress and Cancel.
• Large painted textures save faster after each stroke.
• Apply Transform is now in the Inspector.
• Frame Selection and Isolate now keep the whole object in view.
• Export now tells you when hidden faces or objects are left out, with Unhide All.
• The render sheet remembers your settings.
• Extrude works on edges, Slide is in the action bar, Unhide has its own button whenever faces are hidden, and touch and hold on something selected to remove it from the selection.
• Easier-to-tap buttons and VoiceOver labels throughout.
• Many fixes, among them: the tile Eraser and Eyedropper work with the Pencil, tile strokes reach every face they cross, painting works after Replace Texture, and Line, Rectangle and Circle paint on textured faces.
• New help chapters on qwartz.app, from getting around and modeling to tiles, palettes, turntables and settings, one tap away from the ? buttons.
The developer, Gargant, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Gargant
- Size
- 6.8 MB
- Category
- Graphics & Design
- Compatibility
Requires iPadOS 17.6 or later.
- iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 15.6 or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPad
- Languages
English and 9 more
- English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Qwartz — Full Version $19.99
- Copyright
- © 2026, Gargant

