>>1552377They're all as shady as each other so accreditation doesn't mean anything. You'll get a standard "test" when you apply for a teaching job so they have a reason to reject you if they need to. It's the mcdonalds for white people in Japan, they just want to know if you're a lazy freak. Any 120 hour cert should do (it did in the past). Study grammar and keep your nose clean.