No. You should split the equity in proportion to your individual contributions to the company. Your your partner brings something to the table which you do no

No. You should split the equity in proportion to your individual contributions to the company. Your your partner brings something to the table which you do not possess (the ideal situation) then he should be compensated accordingly. You should weigh your perceptions against his expectations and arrive at compromise that is acceptable to both parties. If you can build the product and guide it to a successful launch ( irrespective of who conceived the idea), you should do so without him because strictly speaking you do not need him. There is no place for an "idea guy" in a startup