320×480 ad size: the mobile interstitial (portrait).

Full screen between two app screens or levels of a game, on phones held upright. Below: four real Adeagle ads in 320×480 - click one to land on the product, the way a shopper would.

Free · real ads · our own data · reviewed October 2026

320×480 banner ad example: several products with prices from a Shopify store (Chequered Red Shirt)
Several products with prices320×480 · opens the product in our demo store
320×480 banner ad example: several products from a Shopify store (Chequered Red Shirt)
Several products320×480 · opens the product in our demo store
320×480 banner ad example: one product with its price from a Shopify store (Chequered Red Shirt)
One product with its price320×480 · opens the product in our demo store
320×480 banner ad example: one product from a Shopify store (Chequered Red Shirt)
One product320×480 · opens the product in our demo store

320×480 at a glance

Size
320 × 480 pixels, portrait
Names
Mobile interstitial (portrait), full-screen mobile, mobile portrait
Google Ads name
not in Google's list
Screens
Phones and apps
File size
up to 150 KB (JPG, PNG, GIF)
In an Adeagle ad
8 products in a grid, or one product with its name
Share of impressions
0.4% in our network
Click rate
2.01% - 3.6× the average banner

When to use the 320×480

Good for: The whole screen for your products: room for eight products with prices or one big photo with its name.

Watch out: Mostly in apps; full-screen ads interrupt, so they are shown less often per person.

Design tips for 320×480 ads

  • One strong lifestyle photo works here - it is the only size where detail shows.
  • With eight products, put the best seller at the top left.
  • Keep the file under 150 KB and export it at exactly 320×480; design at 640×960 so it stays sharp on phones.
  • Show a price - across all sizes, ads with prices got more clicks than the same ads without.

How the 320×480 performs in our network

What we see on Adeagle
320×480 against the average banner
320×480 mobile interstitial (portrait)2.01%
Average banner0.56%
320×50 mobile leaderboard0.33%
300×250 medium rectangle0.60%
Click rate = counted clicks ÷ banner impressions, August 1 to September 26, 2026; 2,201,475 impressions of Shopify product ads in all sizes. 320×480 ranks 4 of 15 sizes by click rate and carried 0.4% of the impressions.

Sizes to run with the 320×480

One size never covers every slot. These fit the same screens:

Or see all 15 standard ad sizes drawn to scale. Adeagle makes every one of them from your product photos, names and prices - no design work, and a new product appears in every size the day you add it.

Sources: Adeagle network data (August 1 to September 26, 2026); Google Ads image ad specifications. The example ads use the products of Adeagle's demo store.

More Banner ad sizes and design tools

All banner sizes on one page, and what their clicks are worth.

Impressions10,000
Clicks80
click-through rate0.8%

CTR calculator

Your click-through rate, and how it compares with a typical small store.

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Winter jacket$89

Your product as an ad

Coming soon

Paste a product link and see it as ads in every size - the way Adeagle shows it.

↳ How does my product look as an ad?

Questions about the 320×480 ad size

A 320×480 ad is called the mobile interstitial (portrait) (also full-screen mobile, mobile portrait). It is not in Google's list of image ad sizes - it runs mostly through other ad networks and in apps.

Full screen between two app screens or levels of a game, on phones held upright.

150 KB per image in Google Ads, as a JPG, PNG or GIF; most other networks use the same limit. Design at 2× (640×960) for sharp phone screens and export at 320×480.

Adeagle shows 8 products in a grid, or one product with its name in this size, each with its price if you choose.

The whole screen for your products: room for eight products with prices or one big photo with its name. In our network it got a 2.01% click rate - 3.6× the average banner (0.56%) - and was 0.4% of all banner impressions.

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