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Details required for App Submission

This article covers all the details that need to be added while building/creating the app on ExpoPlatform using the Mobile App Builder Module.

Mobile App Submission Guidelines

iOS

Overview

Android

Overview

Requires App update

App name

30 characters long

30-character limit

Yes

App ‘bundle’ name (when downloaded)

Same

Same

It’s backend side (never changed)

Subtitle

30 characters

80 character limit

Yes

Icon

PNG

180x180 px

iTunes artwork: 1024 x 1024

Final size: 512px x 512px

32-bit PNG

Max file size: 1024KB

Yes

App previews and screenshots

Previews - short videos up to 30 seconds long

https://developer.apple.com/app-store/app-previews/

Screenshots - feature up to 10 screenshots

Minimum of 4 screenshots, up to 8 screenshots

JPEG or 24-bit PNG (no alpha)

Minimum dimension: 320px

Maximum dimension: 3840px 

Yes

Promotional description

The first 170 characters of the long description

80-character limit

Yes

Long description

4000-character limit

4000-character limit

Yes (minimum 400 characters)

Keywords 

Choose keywords based on words you think your audience will use to find an app like yours.

100 characters total, with terms separated by commas and no spaces.

Not used - automatically generated based on description

Yes

Categories help users discover new apps to meet their needs. 

You can assign a primary and a secondary category to your app. - Pick from same list for both

Add category and tag(s)

Yes

iOS

Overview

Requires App update

App name

Yes

App ‘bundle’ name (when downloaded)

(internal EP only)

Yes

Subtitle

Icon

Yes

App previews and screenshots

Yes

Long description

Yes

Keywords 

Choose keywords based on words you think your audience will use to find an app like yours.

Yes

Categories help users discover new apps to meet their needs. 

Yes

Edition name sits within the container app and denotes the event name that the user is trying to access.

No

Icon

1024  * 1024  px

Requires App update

Sign in page logo

1038*572 px

No

List background

2208 * 2208 px

This is the background for the sign-in page, where the user inputs their login details. 

For example - 



No

Splash Screen

2208 * 2208 px

Need two more sizes:

720 * 1278 px

1320 * 1320 px 

Note for splash screens:

Splash screen must be a square, because we also support iPads.

On iPhone - the sides are trimmed. on iPad - sides or top&bottom are trimmed, depending on orientation. So when the marketing team will be designing the Splash Screen - they should put all content to the center of the image, keeping trimming in mind

Yes

For any changes that requires App update, the show team must submit a support ticket indicating the changes made to the app so that the TAM can get the app updated with the changes made by the show team.

Container App

Header Font

Body Copy

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