> For the complete documentation index, see [llms.txt](https://help.twinr.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.twinr.dev/dashboard/preview-app.md).

# Preview App

Now you must be wondering how will you preview your changes? You MUST download the Twinr Preview app and test your App in realtime!

### Android & iOS Preview

* For Android : <https://play.google.com/store/apps/details?id=com.twinr.builder.previewer>

<div align="left"><figure><img src="/files/pZsfHJaBDALkvcunpgYG" alt="" width="188"><figcaption></figcaption></figure></div>

* For iOS : <https://apps.apple.com/ca/app/twinr/id6446420501>

<div align="left"><figure><img src="/files/Yi7Pvfio8guDsRedJMIg" alt="" width="188"><figcaption></figcaption></figure></div>

* Once you install the Twinr Previewer App, you can login with the same credentials that you have used for [Twinr portal.](https://builder.twinr.dev/)&#x20;
* Select the application you want to preview.

<mark style="color:red;">**NOTE**</mark>**: Everytime you do any change, you should click "SAVE AS DRAFT" and then "Refresh" the preview using refresh button provided in the preview app.**

<figure><img src="/files/DGn691IZ2PCi4G96BVBL" alt="" width="188"><figcaption></figcaption></figure>

**The floating button in the Twinr app is only to let you refresh or go back in the preview.&#x20;**<mark style="color:red;">**This button won't be there in the actual app.**</mark>

<figure><img src="/files/HmD7n79LMtNpiFYwr8S4" alt="" width="188"><figcaption></figcaption></figure>