Add, Edit or Delete Tier Price based on quantity for Products.
Display Tier Pricing as per buy product quantity on Product Page.
Display and Offer Custom Pricing along with Special Price on Product page.
Custom Pricing Wholesale App is easy to use, and helps sites increase order size and conversions. You can provide volume discounts using tier pricing on individual products for each variant. You may set a Fixed-Price or Percent-Off discount for every quantity break. This app will solve your problem and convert your site to a wholesale site.
Admin is embedded with Shopify which means defining tier pricing via this app is pretty simple.