How to Build a ChatGPT App with’s OpenAI Assistant Chat Plugin

Creating an app with advanced AI chat capabilities might sound challenging, but it’s surprisingly easy with Let’s walk through the process of utilizing the OpenAI Assistant Chat plugin to bring AI to life in your next app.

Here is our new how-to video that illustrates the power of AI combined with possibilities:

But if you’d rather read to follow the instructions step-by-step, please check below.

1. Start Your Project

First things first, you need a home for your new AI creation:

  • Sign In to Head over to, sign in, or set up a new account if you’re stepping in for the first time.
  • Create Your App: Click Create new app. Choose your app type—like Ionic blank—name it, and hit Create. Now, you’re set up.

2. Add the Magic Ingredient: OpenAI Assistant Chat Plugin

This plugin is your key to easy AI integration:

  • Go to Plugins: Inside your project, click CREATE NEW > From Plugin to open the Catalog of plugins.
  • Find and Add the Plugin: Search for the OpenAI Assistant Chat plugin. Click Import selected plugins to add it to your app.

3. Key Configurations: API Key and Assistant ID

These essentials connect your app with OpenAI’s brainpower:

  • Secure an API Key from OpenAI: Visit the OpenAI site, sign up or log in, and navigate to obtain your API key. This key is your app’s passport to AI land.
  • Create Your AI Assistant: This step is integral. Creating an assistant on OpenAI provides you with an Assistant ID – think of this as giving your app its own AI personality.
  • Input Your Credentials in Back in, within the plugin settings, there’s a spot waiting for your API key and that shiny new Assistant ID. Fill these in to forge the link between your app and OpenAI’s capabilities.

4. Make It Yours

Now for the fun part. Tailor the plugin to fit your app’s vibe:

  • Adjust the Looks: With‘s easy drag-and-drop, you can tweak the plugin’s appearance so it meshes well with your app.
  • Set Up AI Functions: Decide what your AI should do. This could be answering customer queries, giving recommendations, or having a chat. Configure away to align with your vision.

5. Test Your Creation

Before releasing your app into the wild, you need to see it in action:

  • Run a Test: has built-in testing to trial how the AI responds and integrates with your app.

  • Tweak if Needed: Testing might reveal some tweaks are in order. No problem. Adjust and test again until it’s just right.

6. Launch Time

Your AI chat app is ready to meet its audience:

  • Deploy It: With a few clicks in, you can deploy your app across the preferred platforms.
  • Iterate Based on Feedback: Once your app is out there, listen to how users find the AI and refine it further based on their insights.


Bringing AI into your app shouldn’t be daunting. With and its OpenAI Assistant Chat plugin, it’s not just easy but also fun. This combo lets you leap into the future of app development, focusing on creating unforgettable user experiences rather than fretting over-complicated code.

So, why wait? Dive into today, and start crafting the kind of AI-powered app that users will love.

By simplifying the process into manageable steps, this guide is designed to promote an approachable and enjoyable foray into AI-powered app development for creators at any skill level, focusing on the practical application of`s OpenAI Assistant Chat plugin.

How to Create Your Own ChatGPT App from Template

ChatGP technology is on everyone’s lips nowadays and we are happy to let you know that is the first no-code mobile app maker platform introducing the ready-to-use and easily customizable template for creating a ChatGPT-based app. Using the template is extremely simple and just in several minutes, you will be able to test your own ChatGPT application without having to write a single line of code. Isn’t that a wonder?

Note, that you can try using the platform for no charge, and if you are new to and interested, click here to subscribe for our 2-week Free trial.

When in the platform, go to the Apps tab, select the predefined ChatGPT App template, and confirm:


In a moment, the app will be created with the autogenerated name. If you like, you can rename your project later under its General tab or do it now.

Well … it’s all set and you can proceed with testing your app.

Testing ChatGPT Template from

Click the TEST button to open the app preview in the browser and play around with its different options. There are three of them that are available for adjusting: ModelCreativity, and Max Tokens.

In short: the quality of chatbot responses will vary depending on the options settings. But if you need more details, please refer to the OpenAI official documentation site.


To test this AI technology, obtaining an API key from the OpenAI portal is required. So, open this link (or go to the API Access section of your OpenAI account dashboard) and either generate a new API key or manage your existing API keys.

When done, copy and paste it into the API Key field and you are ready to test the template. Click the START button to begin. Note, that the template also has integrated text-to-speech and speech-to-text capabilities, so you are free to experiment with both entering text and dictating it:

While testing different options, note how the quality of responses is impacted by setting different values for ModelCreativity, and Max Tokens.

Modifying Template

To modify the template to create your own ChatGPT-like app, follow several simple steps below:

  1. Delete the Home page. After you have defined what values of ModelCreativity and Max Tokens settings work for you best, loading all the parameters’ selections page becomes redundant. So, go to the App Builder Project view on the left, left-click to open the Home page menu, and delete it:

2. Modify the parameters’ default values. Open the Model and Storage > Storage tab and replace the default values with the ones that best work for you.

3. Save the app by clicking the SAVE button in the Toolbar.

Ready! Now, your app has been customized and you can install it on a device.

Installing your own GPT-based App

There are several options you can select from to review your own ChatGPT app on the device and below, you will find the most popular:

  1. Export the app binary. To do it, click the EXPORT button in the Toolbar and select the type you prefer: Android or iOS:

Note that installing on iOS requires that you have an Apple developer account.

However, if you simply want to test how your app behaves on a device, be it an iPhone or an Android device, use our Tester – it’s free and simple.

2. Test with the Tester – the best option for quick testing your apps without needing to register your Apple or Android developer accounts. The app is free and can be installed on any device in a matter of several clicks. The links and instructions can be found on the preview page, you just have to click TEST again:

Select the needed option in the drop-down to download and install the testing app on your device. This should take less than a minute of your time.

When the app is installed, click the SCAN button and scan the QR code that was automatically generated for your app:

Here is what the app chatting looks like on a device when installed:

 Publishing as a web page widget

You might already know that any app that you build in can be published as a mobile web app. This means the app will be hosted on a server and can be accessed from any browser on a mobile device.

But have you already tried adding the published app to any site of your choice as a widget? This is not difficult to do and can be very useful for your personal or business and look perfect. Please check this link to review what it can look like.

Please, visit this page for more details on modifying and customizing your ChatGPT-template.


If you’re looking to create a professionally-looking application that integrates with a 3rd party API, using no-code platforms like can be a perfect choice.

With, you can simplify the development routine even further by adding ready-to-go templates and predefined plug-ins! And our new-code ChatGPT template is another example of how building apps can be enjoyable and stress-free.