Needle vs. 8th Wall vs. Spline

See how Needle, 8th Wall, and Spline compare across key features and capabilities for usage on the web and creating XR experiences for designers, developers and teams.

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Web-first runtime integrated with Unity and Blender plugins, complemented by Needle Cloud for optimization and hosting.
Needle
A commercial platform specializing in high-quality, markerless WebAR experiences, featuring a cloud editor and advanced tracking capabilities.
8th Wall
A web-based, real-time collaborative 3D design tool focused on creating interactive web experiences without requiring coding knowledge. Exports self-contained web packages or specific formats.
Spline
Core Platform & Workflow
Solution Type
3D Engine
Cloud Platform
Authoring Tool
Optimization Tool
Web Component
Needle
Solution Type: 3d-engine, cloud-platform, authoring-tool, optimization-tool, web-component
A comprehensive suite including a runtime engine, cloud services for optimization/hosting, authoring via Unity/Blender plugins, and embeddable web component output.
Cloud Platform
Authoring Tool
3D Engine
8th Wall
Solution Type: cloud-platform, authoring-tool, 3d-engine
A comprehensive platform providing AR tracking engine, cloud-based IDE (Cloud Editor, Niantic Studio), hosting, and specialized AR features.
3D Engine
Cloud Platform
Authoring Tool
Web Component
Spline
Solution Type: 3d-engine, cloud-platform, authoring-tool, web-component
An online platform for 3D design and animation, with direct export options for web integration.
Made for the web
Needle
Made for the web: Yes
Built from the ground up for the web, focusing on fast loading, efficient rendering, and cross-platform web deployment.
8th Wall
Made for the web: Yes
Specifically optimized for delivering AR experiences through mobile web browsers.
Spline
Made for the web: Yes
Focuses on creating optimized interactive experiences specifically for the web, with tools to analyze and improve performance.
Typical Workflows
Unity Editor
Blender Editor
Code
HTML
Asset Upload
Needle
Typical Workflows: Unity Editor, Blender Editor, Code, HTML, Asset Upload
Primary workflow involves using Unity or Blender as the authoring environment, exporting scenes and logic. Custom scripts (TypeScript/JavaScript) extend functionality.
Web Editor
Code
8th Wall
Typical Workflows: Web Editor, Code
Development occurs in the Cloud Editor or Niantic Studio using JavaScript, HTML, CSS, often integrating with libraries like A-Frame or three.js.
Web Editor
Spline
Typical Workflows: Web Editor
Primarily a visual design tool where scenes and interactions are built using a graphical interface. Logic is handled through an event/state system.
Use with Unity
Needle
Use with Unity: Yes
Deep integration with Unity Editor via dedicated plugin, allowing export of scenes, C# scripts (transpiled), materials (Shader Graph), animations, and components.
8th Wall
Use with Unity: No
Focuses on web technologies with a custom editor.
Spline
Use with Unity: No
Exports glTF/USDZ which can be imported into Unity, but there is no direct integration or specific workflow.
Use with Blender
Needle
Use with Blender: Yes
Integration with Blender via addon, supporting export of scenes, materials, animations, and custom logic nodes.
8th Wall
Use with Blender: No
Imports standard 3D asset formats like glTF.
Spline
Use with Blender: No
Can import formats like glTF (often exported from Blender) and export glTF, but no direct integration.
Interactivity Building Blocks
Needle
Interactivity Building Blocks: Yes
Includes a rich set of components for common interactions, animations, and UI elements.
8th Wall
Interactivity Building Blocks: Yes
Provides AR-specific components for common interactions and UI elements in WebAR experiences.
Spline
Interactivity Building Blocks: Yes
Visual design tool with built-in interactive components for common behaviors like drag, hover, click interactions.
Extensible with Coding
Needle
Extensible with Coding: Yes
Uses TypeScript with full IDE support in both Unity and standalone projects.
8th Wall
Extensible with Coding: Yes
JavaScript API for creating AR experiences, with integration for Three.js, A-Frame, or Babylon.js.
Limited
Spline
Extensible with Coding: Limited
Visual event system allows for creating interactive behaviors without coding. Limited JavaScript API for exported scenes.
Engine Capabilities
Physically-Based Rendering
Needle
Physically-Based Rendering: Yes
Supports Physically Based Rendering (PBR), custom shaders (via Unity Shader Graph export), lighting, and post-processing effects.
Limited
8th Wall
Physically-Based Rendering: Limited
Rendering quality depends on the capabilities of the integrated engine. The Studio material model does not support all common PBR features.
Good
Spline
Physically-Based Rendering: Good
Supports PBR materials through a layer-based system, lighting (directional, spot, point), shadows, and post-processing effects.
Component System
Needle
Component System: Yes
Leverages the component-based architecture of Unity/Blender, extended with custom web-specific components.
8th Wall
Component System: Yes
Depends on the integrated rendering framework (e.g., A-Frame uses ECS).
Spline
Component System: Yes
Features a 'Component' system allowing reuse of objects and their properties, aiding in creating design systems within Spline, but differs from traditional ECS architectures.
Built-in Networking
Needle
Built-in Networking: Yes
Built-in real-time networking for multiplayer and collaborative applications.
8th Wall
Built-in Networking: No
Networking needs to be implemented using external libraries or services.
Spline
Built-in Networking: No
Supports real-time collaboration within the editor but does not provide features for runtime networking or multiplayer experiences in exported applications.
Timelines and Sequencing
Needle
Timelines and Sequencing: Yes
Supports timeline-based sequencing, complex animations, animator state machines, blending, and more.
8th Wall
Timelines and Sequencing: No
No built-in timeline or sequencing system, relies on manual animation code or framework features.
Spline
Timelines and Sequencing: Yes
Includes timeline-based animation system for keyframe animation and sequencing.
Animation Controls
Needle
Animation Controls: Yes
Supports complex animations authored in Unity (Animator, Timeline) or Blender and exports them for the web.
8th Wall
Animation Controls: Yes
Animation capabilities depend on the chosen rendering engine.
Spline
Animation Controls: Yes
Supports keyframe animation, state-based transitions, and interactive events to trigger animations.
Animated Materials
Needle
Animated Materials: Yes
Supports material animations, shader graph, and procedural material effects.
Via Framework
8th Wall
Animated Materials: Via Framework
Depends on the underlying framework used (Three.js, A-Frame, etc.).
Spline
Animated Materials: Yes
Supports material animation through the timeline system and visual animation tools.
Audio Playback
Needle
Audio Playback: Yes
Supports spatial audio configured via Unity/Blender components.
8th Wall
Audio Playback: Yes
Audio capabilities depend on the chosen rendering engine.
Spline
Audio Playback: Yes
Supports adding sounds to scenes, including positional audio and background music.
Video Playback
Needle
Video Playback: Yes
Supports video textures and playback controlled via components.
8th Wall
Video Playback: Yes
Supports video textures through integrated rendering engines.
Spline
Video Playback: Yes
Supports using videos as textures on 3D models.
Physics Integration
Needle
Physics Integration: Yes
Integrates with physics engines, configured via Unity/Blender components.
8th Wall
Physics Integration: Yes
Physics capabilities depend on the chosen rendering engine.
Spline
Physics Integration: Yes
Includes built-in physics simulation capabilities for creating dynamic interactions.
glTF 3D Support
Excellent
Needle
glTF 3D Support: Excellent
Uses glTF as its core runtime format and supports import of various formats (FBX, USD, VRM etc.) which are converted.
8th Wall
glTF 3D Support: Yes
Supports loading glTF assets.
Spline
glTF 3D Support: Yes
Can import and export models in glTF format for interoperability with other tools.
Custom User Interfaces
Needle
Custom User Interfaces: Yes
Facilitates creation of UI using standard HTML/CSS and frontend frameworks, integrated with the 3D scene.
Limited
8th Wall
Custom User Interfaces: Limited
UI is typically created using HTML/CSS overlays or the UI system of the chosen rendering engine.
Limited
Spline
Custom User Interfaces: Limited
UI elements are typically created using 3D text and objects within the scene itself; no dedicated 2D canvas UI system.
Web Integration & Deployment
Web Component
Needle
Web Component: Yes
Exports projects as standard web components (<needle-engine> tag) for easy embedding into any HTML page or web application.
8th Wall
Web Component: No
Experiences are typically loaded via the 8th Wall JS library.
Spline
Web Component: Yes
Exports can be embedded using iframe or Javascript code snippets, including a React component export and a generic web component ('spline-viewer') for better performance with multiple embeds. The authoring tool itself is not web component based.
PWA Support
Needle
PWA Support: Yes
Being web-native, Needle Engine projects can be easily included in Progressive Web Apps for offline capabilities and installation.
8th Wall
PWA Support: No
WebAR experiences created with 8th Wall can be integrated into Progressive Web Apps.
Spline
PWA Support: No
Spline exports can be included within a PWA, but Spline itself doesn't provide specific features for PWA development.
HTML/CSS Integration
Excellent
Needle
HTML/CSS Integration: Excellent
Designed to seamlessly integrate with HTML, CSS, and frontend frameworks (React, Vue, Svelte etc.), allowing blending of 2D UI and 3D content.
8th Wall
HTML/CSS Integration: Yes
Allows overlaying HTML/CSS elements for UI.
Good
Spline
HTML/CSS Integration: Good
Designed to be easily embedded into HTML pages using generated code snippets (iframe or JavaScript).
Host Anywhere
Needle
Host Anywhere: Yes
The core runtime can be self-hosted on any static server. Needle Cloud features (optimization, hosting, analytics) require the cloud service.
8th Wall
Host Anywhere: No
Requires the 8th Wall platform for tracking and hosting.
Spline
Host Anywhere: Yes
Exports are self-contained web packages deployable on static servers. Spline also offers hosting for public URL embeds.
Asset Hosting
Needle
Asset Hosting: Yes
Needle Cloud provides managed hosting and CDN delivery for optimized assets.
8th Wall
Asset Hosting: Yes
Includes hosting as part of the platform service.
Spline
Asset Hosting: Yes
Spline hosts scenes shared via Public URLs. Exported code/files can be self-hosted.
App Hosting
Needle
App Hosting: Yes
Needle Cloud provides managed hosting and CDN delivery for optimized applications.
Required
8th Wall
App Hosting: Required
Using the 8th Wall platform requires hosting on 8th Wall's servers.
Spline
App Hosting: Yes
Scenes can be hosted directly on Spline's servers.
Performance & Optimization
Engine Size
Medium
Needle
Engine Size: Medium
Optimized runtime aims for minimal footprint, size depends on included features.
Medium
8th Wall
Engine Size: Medium
Includes sophisticated AR tracking libraries.
Medium/Large (includes runtime)
Spline
Engine Size: Medium/Large (includes runtime)
Exports include the Spline runtime, which can increase the initial download size compared to solutions using shared runtimes or minimal frameworks. Size depends on scene complexity and export settings.
Loading Performance
Excellent
Needle
Loading Performance: Excellent
Rapid development cycles and fast loading times through optimized runtime and asset handling.
Moderate
8th Wall
Loading Performance: Moderate
Loading time depends on experience complexity and network conditions.
Moderate
Spline
Loading Performance: Moderate
Loading times depend heavily on scene complexity, polygon count, texture sizes, and the included runtime. Optimization tools are provided, but complex scenes can experience noticeable load times.
Runtime Performance
Excellent
Needle
Runtime Performance: Excellent
Designed for efficient rendering performance across desktop, mobile, and XR devices.
Good
8th Wall
Runtime Performance: Good
Offers robust and performant AR tracking, overall performance also depends on rendering complexity.
Good (scene dependent)
Spline
Runtime Performance: Good (scene dependent)
Performance is generally good for well-optimized scenes but can degrade with high polygon counts, complex materials, numerous objects, or intensive interactions, especially on lower-end devices.
Smart Asset Optimization
Excellent
Needle
Smart Asset Optimization: Excellent
Needle Cloud provides significant automated optimization: LOD generation, mesh optimization, extensive texture compression (Basis Universal, WebP, JPG, PNG) and resizing options.
8th Wall
Smart Asset Optimization: No
The platform handles some processing, but optimization relies on preparing assets beforehand.
Limited (Internal)
Spline
Smart Asset Optimization: Limited (Internal)
Provides tools like polygon reduction guidance, material asset reuse, geometry compression on export, and image quality controls, but lacks explicit support for advanced texture compression formats like Basis Universal or Draco geometry compression visibility.
Mesh and Texture LODs
Excellent
Needle
Mesh and Texture LODs: Excellent
Supports automatic mesh simplification, level-of-detail generation and automatic texture compression with multiple quality levels.
8th Wall
Mesh and Texture LODs: No
Relies on optimization being done before asset upload; no dynamic LOD system.
Spline
Mesh and Texture LODs: No
Focuses on optimization but does not have a dynamic LOD system.
XR Support (AR/VR/Spatial)
VR Support (WebXR)
Needle
VR Support (WebXR): Yes
Supports VR headsets via the WebXR standard.
8th Wall
VR Support (WebXR): No
Primary focus is WebAR.
Spline
VR Support (WebXR): No
Does not directly export WebVR experiences. Requires exporting models (e.g., glTF) and using a VR-capable framework.
AR Support (WebXR)
Needle
AR Support (WebXR): Yes
Supports markerless WebAR on compatible Android devices via the WebXR standard.
8th Wall
AR Support (WebXR): Yes
Provides markerless AR for Android, but requires additional camera permissions and uses more CPU and GPU resources.
Spline
AR Support (WebXR): No
Does not directly export WebAR experiences. Exports USDZ for AR Quick Look on iOS, but full WebAR requires external frameworks.
AR Support (iOS)
Needle
AR Support (iOS): Yes
Supports interactive markerless WebAR on iOS devices via WebXR.
8th Wall
AR Support (iOS): Yes
Provides markerless AR for iOS, but requires additional camera permissions and uses more CPU and GPU resources.
Limited
Spline
AR Support (iOS): Limited
USDZ files compatible with AR Quick Look on iOS can be exported from the web app. Also provides native Swift embeds for iOS apps.
AR Support (visionOS)
Needle
AR Support (visionOS): Yes
Explicit support for creating spatial computing experiences deployable on visionOS.
8th Wall
AR Support (visionOS): No
Focus is on mobile WebAR.
Limited
Spline
AR Support (visionOS): Limited
USDZ files compatible with AR Quick Look on iOS can be exported from the web app. Also provides native Swift embeds for iOS apps.
AR Tracking Types
Surface
Image
Needle
AR Tracking Types: Surface, Image
Supports World Tracking via the WebXR standard on compatible devices. Image tracking is supported on iOS AR but requires a device-specific flag for Android AR.
Surface
Image
Face
VPS
8th Wall
AR Tracking Types: Surface, Image, Face, VPS
Offers a comprehensive suite of advanced AR tracking capabilities, including location-based VPS.
Surface
Spline
AR Tracking Types: Surface
Primarily through USDZ export for object placement in AR Quick Look.
Ecosystem & Support
Official Support Availability
Needle
Official Support Availability: Yes
Dedicated support available for licensed users.
8th Wall
Official Support Availability: Yes
Support available through paid plans.
Spline
Official Support Availability: Yes
Official support channels are typically available for paid subscribers, while community support is available for all users via Discord.
Learning Resources
Needle
Learning Resources: Yes
Extensive documentation, tutorials, live samples, and active community support.
Good
8th Wall
Learning Resources: Good
Offers project library, documentation, and tutorials.
Good
Spline
Learning Resources: Good
Offers official documentation, tutorials (text and video), a library of templates/examples, and an active community forum/Discord server.
License
Commercial
Needle
License: Commercial
Commercial license required for full features and deployment. Free evaluation available.
Commercial
8th Wall
License: Commercial
A commercial platform with various pricing tiers.
Commercial
Spline
License: Commercial
Spline is a proprietary tool with free and paid subscription tiers offering different feature sets and usage limits.

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