| Technology and Feature Overview | Mobile SDK v2.5 | Mobile SDK v3.1 |
| Optimized tracking and rendering pipeline for major mobile chipsets | No |
Yes |
| Simple deployment of your apps without the need to upload and encrypt your files | No |
Yes |
| 3D Rendering and Visualization Features | Mobile SDK v2.5 | Mobile SDK v3.1 |
| 3D Rendering engine included - now with advanced shader support | Yes |
Yes |
| Plugin connection to the Unity3D rendering engine | No |
Yes |
| Open Framework Architecture | Yes |
Yes |
| Location-based POI visualization engine for creating custom AR browsers | No |
Yes |
| Advanced Tracking Options for Natural AR Experiences | Mobile SDK v2.5 | Mobile SDK v3.1 |
| Patented Gravity Aware Augmented Reality | No |
Yes |
| Scalable Tracking for low and high end mobile devices | Yes |
Yes |
| Markerless 3D Object Tracking | No |
Yes |
| Markerless 2D Object Tracking | Yes |
Yes |
| Robust ID Marker Tracking (2D) | Yes |
Yes |
| Support for QR Code and Barcode scanning | No |
Yes |
| Image Classifier / Client-based Visual Search | No |
Yes |
| Support for LLA Marker-based Indoor Navigation | Yes |
Yes |

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The only Mobile SDK including a powerful, integrated 3D rendering engine for free

Support of the Unity rendering engine is included in the Mobile SDK

The metaio Mobile SDK supports both markerless image tracking and standard marker based tracking