[antixk]

Not sure if you have heard of Pytorch Mobile but it is very possible[0]

[0] https://pytorch.org/tutorials/beginner/deeplabv3_on_ios.html

[perturbation]

The big thing that PyTorch Mobile is lacking compared to TF Lite is on-device accelerator support (GPU/DSP/etc.) (there's experimental support for NNAPI https://pytorch.org/tutorials/prototype/nnapi_mobilenetv2.ht..., but this is a hack).