Echo 2 (https://spaitial.ai) generates realistic or imaginary 3D and 360° worlds in which you can move around, from an image imported or generated directly in the application.

Possible editing of worlds generated with an instruction.
Best renderings on wide-angle images.
Generation in 6 to 10 minutes.

Fine-tuning the 360° view.
Export SPZ or PLY formats, 360 image or video clip.
Gallery and share by url.

Seems free and unlimited, no rates marked.

Review since: https://commons.wikimedia.org/wiki/File:Staircase_of_Liesikuja_parking_hall_in_Myyrmäki,_Vantaa,_Finland,_2022_May.jpg
Rendering: https://app.spaitial.ai/worlds/993558c9-8cfc-4d3c-b676-1743bae52219

Testing since image generation.
Rendering: https://app.spaitial.ai/worlds/78aa1793-d9f4-4800-841b-35f8d8d77fc2

Review since: https://commons.wikimedia.org/wiki/File:Belcastel_4.jpg
Rendering: https://app.spaitial.ai/worlds/867034cc-08a4-481d-8dcc-40e65c95d2d3

Testing since image generation.
Rendering: https://app.spaitial.ai/worlds/3ded942a-a2cd-4eb5-950f-ede59a08a66e