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The ExportKit blog.App store sizes, tools and guides.

Guides, dated size references and the browser tools that hit those sizes — the numbers read from Apple and Google's own documentation, with the date they were read.

Frequently asked questions

Do I need an account to use these?

No account to start. The editor opens and exports in full with no sign-in. What signing in changes is how long the work lasts: signed out, a kit lives in that browser tab and is gone when you close it.

Are my app screenshots uploaded to a server?

No. Every asset is drawn on a canvas in your browser and the zip is assembled in the same tab. Nothing leaves the browser unless you sign in and press Back up now.

How often are these size references checked?

Each page carries the date it was last read against the store's own documentation — currently 17 October 2026. Apple and Google both change their requirements; if one of these numbers has moved, email hello@exportkit.app and it gets re-read.

Ship the listing, not the resizing

Replace the sample screens, write your headlines and download every file the listing needs.