SineDay Affiliate Program

Apply to share SineDay with your community and earn commission on eligible monthly Premium payments.

SineDay is a journal built around an 18-day personal wave and SineDuck. It offers a perspective for reflection; it doesn't predict the future.

Start application Program details
SineDuck, the SineDay character

Program details

Commission

Earn $1 for each eligible paid monthly Premium invoice linked to your active Affiliate Code, including the first qualifying payment and later renewals.

Customer discount

Your community gets $1 off monthly Premium when they use your code at checkout, while the promotion remains valid.

Sharing tools

If approved, choose your Affiliate Code and receive your sharing link and approved SineDay assets.

Dashboard and Premium

Track your supporters and earnings in the Affiliate dashboard. You'll receive Premium while your Affiliate account is active.

Earnings vary and are not guaranteed. Payouts are currently U.S.-only, and commissions have a 30-day hold. Affiliate Terms apply.

Apply to become an affiliate

Required fields are marked with an asterisk. Add at least one profile or website.

Your details

Use your name or the name you share under. 2–80 characters.

If approved, use this same email for your SineDay account.

Profiles and website

At least one social, profile, or website field is required. Leave the others blank.

Your introduction

Describe your community, your interest in SineDay, and how you plan to share it.

20–1,000 characters

Every application is reviewed. Affiliate Code and payout setup become available only after approval.

Read our Affiliate Terms and Privacy Policy.