How do you increase conversion for pet in the GCC?

Usually not on the product page. Measure the funnel by step and the loss is nearly always at checkout — address entry, payment method, or a delivery estimate the customer did not expect.

Where the drop-off actually is

The single highest-yield change for most stores in this market is showing the delivery date before checkout rather than after. It removes the reason people leave to go and check.

Winning a customer costs money and selling to them again costs almost nothing, and most budgets are spent as though the reverse were true. For a pet supplies store in the GCC, the answer turns on one thing in particular: Pet food is the most reliably repeated purchase in retail: the bag runs out on a known schedule.

What is different about the GCC

The GCC is not one market. Payment habits, delivery norms and language expectations differ enough that a single approach underperforms in at least one country.

Payment preference varies by country more than most planning assumes.

What is different about a pet supplies store

Discounting to grow trains people to wait for the discount. It works once.

Where a mobile app comes into it

This is the clearest case for an app of any category. TicApp built barcode reordering into Pets Lounge for exactly this.