---
title: Testing a Preview App
slug: experience/testing-a-preview-app
description: This article will walk you through the steps you need to take to test your Purple App as a preview version on your devices for iOS and Android.
docTags: 
createdAt: 2024-08-28T09:32:53.189Z
---

This article will walk you through the steps you need to take to test your Purple App as a preview version on your devices for iOS and Android.

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## Preconditions

Understand the Difference between Preview App and Release App in Purple Manager: [Preview Apps and Release Apps](docId\:I3TAMmJAszJ2TKm6RWfnV) 

***

## Preparations for Testing a Preview App

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**CSR (Certificate signing request)***(per certificate creating device):* Create a CSR per device that is supposed to create  the certificate. [Create a CSR](docId\:deeN2GXQEpdwqlIEHGZWX) 
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**Add UDIDs to the Apple Developer Account ***(per test device)*: Add the UDID for each desired device on which you would like to test your Preview App. [UDIDs](docId\:rlFq3ltLDjGbnVNYigaV8) 
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**Build Settings Test: **Configure the [App Build Settings](docId\:vLFdwUcm1XIGdwTCOz8HJ) (Test) in Purple Manager to be able to build and download a "test version" of the Purple App for iOS:

- **Private Key & Certificate (p12) + Password ***(per Purple App - works for Preview and Release):* To distribute your Purple App on the App Store, the iOS Distribution Certificate (P12) digitally signs your app, similar to a passport or ID. While exporting it, a password is generated. [Create an iOS Distribution Certificate (P12)](https://app.archbee.com/docs/qtjKveW7g556Yo3qfoyAY/vLFdwUcm1XIGdwTCOz8HJ#nu1xsgcifF5IkZ-FSnluP)
- **Ad hoc Provisioning Profile ***(per Purple App - works for Preview)***: **Enables you to distribute your app to a specific group of testers outside of the App Store. [Create a mobile provisioning profile for your test app](docId:2LU2ZJq-41jr0HIDXY5Mm) 
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**Build the App in Purple Manager: **After all configurations are set up you can start to [Building an App](docId\:QaT8C0SJ2KQtC0En52A_f) 
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**Invite users: **In Purple Manager you have the option to invite users to your Preview App for testing the App. Learn more [Test user management](docId:336Hg8JT5kkLAbNzY1G8H)
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**Download the Preview App: **Learn in this article how to download the Preview App from Purple Manager to your device and test it: [Download a preview app to your device](docId\:UivFXNyZUUb4fL7B_OHVJ)
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