Head to Kissajin if you are looking for a competitively price Omakase experience in Singapore. The catch is that do not expect ingredients like fatty tuna (otoro) or sea urchin (uni) in the courses here, though you still get a variety of ingredients presented in different cooking preparations.
Kissajin is one of the casual Omakase where you get fresh produce and quality ingredients without breaking the bank. Diners can experience fun playful approach here in the restaurant.