GPG Jtag box vs Riff Box Gpg jtag box at selling $75 or Riff box

Gpg jtag box at selling $75 or Riff box
selling at $120. I already have Atf box for
emmc repairs and just need good jtag box to
support other models. Pls, I need the
opinions of memebers who have use both
boxes to help me choose the best one. Thanks.