A Complete Guide to Building an AI-based Chatbot App Like Replika

A Complete Guide to Building an AI-based Chatbot App Like Replika

The usage of chatbot app development services by organizations to offer customer support, automate processes, and have conversational interactions with users has grown in popularity in recent years. Customer support, lead generation, e-commerce, and entertainment are just a few uses for chatbots.The size of the global chatbot market is anticipated to increase from $2.6 billion in 2019 to $9.4 billion by 2024, at a compound yearly growth rate (CAGR) of 29.7% during the course of the forecast period, according to an analysis by MarketsandMarkets.

The increasing demand for automation in customer service, the increased use of cloud-based technology, and the increase in messaging platforms are some of the key factors boosting the growth of the chatbot app development company. Moreover, an experienced chatbot app development company can help businesses increase productivity, cut costs, and enhance customer satisfaction by automating tasks that would often require human participation.

Because they have been created with exact rules and responses, rule-based chatbots can only respond to certain questions. Conversely, NLP and machine learning algorithms are used by AI-powered chatbots to understand client inquiries and respond to them in a more conversational and natural way.

If you want to create a chatbot your work can be easier if you go with an AI mobile app development company to build an AI-based chatbot app.

What Is An AI Chatbot?

What Is An AI Chatbot

Artificial intelligence (AI) and natural language processing are used by computer software, a chatbot, to simulate human communication (NLP).

In order to understand and reply to user inquiries in a more natural and conversational way, chatbots can either be built with predefined rules and responses (known as rule-based chatbots), or they can use machine learning algorithms and natural language processing (NLP) (known as AI-powered chatbots).

They are useful for a variety of other things as well, including lead generation, internet shopping, entertainment, and customer service.

The capacity of chatbots to offer customer support and service around the clock is one of its key advantages. According to user preferences and behaviour, chatbots can also make customized recommendations and offers, which boosts client happiness and loyalty.

In general, chatbots are becoming a more crucial tool for businesses to enhance customer engagement, automate processes, and boost productivity. Chatbots are growing smarter and are able to communicate with users more like humans because of developments in AI and NLP technologies.

Top 5 AI-based Chatbot Apps

Here we highlighted AI-based chatbot applications:

1. IBM Watson Assistant

An AI-powered chatbot creation platform called IBM Watson Assistant enables companies to build and use conversational agents across a variety of channels, including websites, social networking sites, and messaging services. It provides a more human-like interface with users by utilizing machine learning and natural language processing (NLP) technology.

2. Dialogflow

Google’s Dialogflow natural language processing (NLP) platform allows developers to create conversational interfaces like chatbots and voice assistants for a range of platforms including websites, mobile apps, messaging apps, and smart home devices. Before being acquired by Google and rebranded Dialogflow in 2017, it was known as API.AI.

3. Amazon Lex

Amazon Lex is an Amazon Web Services (AWS) tool that allows developers to construct conversational interfaces, or chatbots, for their applications. It allows users to communicate with programs via text or voice utilizing automatic speech recognition and natural language comprehension.

4. Wit.ai

Wit.ai is a platform for natural language processing (NLP) that allows developers to create conversational applications and chatbots. It was established in 2013 and was bought by Facebook in 2015. Wit.ai offers speech recognition and natural language comprehension for voice-controlled devices such as Amazon Echo and Google Home, in addition to chatbot development.

5. Botpress

Botpress is an open-source conversational AI platform for developers that allows them to construct and deploy chatbots and virtual assistants. It is intended for experienced coders and provides them with a strong framework for creating highly configurable chatbots. Businesses may use Botpress to create extremely intelligent chatbots that can automate a variety of processes and boost customer engagement.

6. Replika

Using artificial intelligence, Replika acts as a personal AI assistant. The app uses machine learning algorithms to provide a customised chat experience. Replika has many characteristics that set it apart from other chatbots, and it has grown in popularity among people looking for a friend or just someone to talk to.

Hire Chatbot Developer

AI-based applications like Replika: Top features to consider

AI-based applications like Replika: Top features to consider

Here are some of the key elements to take into account while creating an AI-based program like Replika.

1. Smart Voice Assistant

One of Replika’s primary features is its intelligent voice assistant, which enables users to communicate with the AI chatbot in a more natural and conversational way. Your AI-based application can incorporate a smart voice assistant to improve usability and engagement.

2. Multi-Language Functionality

Replika has multilingual support, enabling users from all over the world to communicate with the app in their own tongue. By including multi-language capabilities, you may increase the user base of your AI-based app and increase its accessibility to a wider audience.

3. Customized Elements

With Replika, customers may completely customize their AI chatbot, including its appearance and personality. Users can feel more connected to the AI and have a more immersive experience by adding personalized components to your app.

4. Augmented Reality

A fantastic method to improve the user experience of your AI-based application is through augmented reality. Replika makes interactive experiences for its consumers through the use of augmented reality, including games and virtual tours. Your app may give users a more interesting and immersive experience by integrating augmented reality.

5. Games for a Better Experience

Playing games while users are using your AI-based service might be a terrific way to keep them interested and entertained. Replika provides its users with a selection of games and interactive activities that can enhance and personalize their experience.

6. AI That Gets Along with Users

Replika’s capacity to create a distinct personality that is catered to the user’s choices and interests is one of its special qualities. You may make your AI-based application more approachable and interesting for users by including this feature.

7. Digital Goods for Even Better Service

Users can purchase a variety of digital goods from Replika to improve their experiences, such as backgrounds and stickers. You may provide consumers with more value and expand your revenue streams by including digital goods in your app.

8. Efficient Customer Service

Ultimately, the success of any AI-based application depends on effective customer service. Replika offers users prompt and beneficial service, which can contribute to the development of customer loyalty and trust. Your app can give a more seamless and delightful user experience if you implement effective customer service.

What are the steps to Build an AI-Powered ChatBot?

1. Choose the right platform

The correct platform must be chosen before you can begin to construct an AI-powered chatbot. Choosing the business model you wish to use is part of this. There are certain benefits and drawbacks of chatbots also so you should the right platform to choose. You should pick a platform that supports the aims and ambitions of your company.

2. Choose Unique Features

Selecting distinctive characteristics for your chatbot is the next step after selecting the appropriate platform. Choose features for your chatbot that will set it apart from the competition and benefit your users.

3. Select a technology stack

Building a good chatbot depends on choosing a technical stack. The most recent technology stack should contain deep learning, machine learning, and natural language processing (NLP).

4. With the help of a chatbot editor, design the conversation with the chatbot

The next stage is to develop the chatbot dialogue after choosing a technological stack. A chatbot editor that enables you to draw a conversational flowchart can be used for this.

5. Train your Chatbot

You must teach your chatbot after creating the conversation’s design. In order to do this, relevant data must be given to it, and machine learning methods must be used to enhance its responses over time.

6. Test your Chatbot

You should extensively test your chatbot before releasing it to make sure it is operating as planned. By performing user testing and soliciting input from beta testers, you can achieve this.

7. Deploy and maintain

You can release your chatbot to the market after testing it. To make sure your chatbot is operating well and offering value to your users, you must regularly monitor and maintain it.

8. Launch your Chatbot

You can make your chatbot available to the whole public after installing and managing it. This entails advertising your chatbot and luring consumers to give it a try.

Chatbot App Development Costs: Factors to Consider

1. Business Goals

The organization’s business objectives are the main determinant of the cost of developing a chatbot application. The price of developing a chatbot app will vary depending on whether it is used for lead generation, e-commerce, or customer support. Before beginning the development process, the business objectives should be precisely stated.

2. Custom Development

A simple chatbot app using pre-built templates will be less expensive than chatbot software that is specially designed with special features and functionality.

3. Type of Integration

The cost may also be impacted by the kind of integration needed for the chatbot application. The development of chatbot apps may become more expensive if third-party APIs, CRM, and social media platforms are integrated.

4. Supported Platform

The pricing of the chatbot app may also vary depending on the supported platforms. A chatbot app for a single platform, like Facebook Messenger, will be cheaper to create than one for many platforms, like WhatsApp, Slack, and Skype.

5. Data Analysis

The cost may also be impacted by the degree of data analytic complexity needed for the chatbot software. Advanced algorithms and analytics tools will be needed for the chatbot software to evaluate massive volumes of data and deliver insights, which could raise the cost of development.

6. Internal Processes

The price of developing a chatbot app can also be influenced by an organization’s internal procedures. The cost will be lower if the company has experience creating chatbots and a clearly defined chatbot development methodology. On the other side, if the company is new to developing chatbot apps, it can take more time and money, which would raise the price.

Who are ChatBot Developers?

Who are ChatBot Developers

Developers of chatbots are experts in writing computer programs known as chatbots that mimic human communication. They often have proficiency in a variety of programming languages, including Python, Java, and C++, as well as technical knowledge of artificial intelligence (AI), machine learning, and natural language processing (NLP).

For example, when you hire dedicated developers to work on developing chatbots for the e-commerce, healthcare, financial, and customer service sectors, to mention a few. They might be employed directly by a business, on a development team, or as independent contractors.

Their main responsibilities include analyzing the client’s requirements, designing the chatbot’s conversation flow, integrating it with various messaging platforms, testing the chatbot’s functionality, and continuously improving it through machine learning and data analysis.

In addition to technical skills, chatbot developers must possess excellent communication and problem-solving skills, as they need to understand and interpret human behaviour and natural language to create chatbots that can effectively communicate and interact with users. They must also stay updated with the latest developments in chatbot technology and constantly refine their skills to deliver high-quality chatbot solutions.

What Features A Chatbot Developer Should Have?

What Features A Chatbot Developer Should Have

A chatbot developer should have the following characteristics:

1. Programming Capabilities

Chatbot development necessitates programming abilities, hence a chatbot developer must have expertise in languages such as Python, Java, C++, or Node.js.

2. Understanding of AI and NLP

Because chatbots rely on artificial intelligence and natural language processing, a chatbot developer should be well-versed in these technologies.

3. Frameworks for Chatbots

A skilled chatbot developer should be acquainted with several chatbot frameworks such as Dialogflow, IBM Watson, and Amazon Lex.

4. Communication Abilities

Because chatbots are created to converse with humans, a chatbot developer must be fluent in English.

5. Problem-Solving Capabilities

Because chatbot development is not a simple process, a chatbot developer must be able to detect and fix issues that may arise during the development process.

6. Creativity

A chatbot developer must be creative and imaginative in order to create chatbot solutions that provide users with a unique and personalized experience.

7. Experience

A chatbot developer should have past expertise in creating chatbots, collaborating with various chatbot frameworks, and integrating various functionality.

Reason to choose Bigscal as Your Chatbot App Development Partner

Here are the reasons why:

1. Experience

We have worked with clients from a variety of industries to create specialized chatbots that address their unique business requirements.

2. Individualized Solutions

We provide customised solutions as per business requirements. We take the time to fully comprehend your company before developing a chatbot that is in line with your aims and ambitions.

3. Brand-new technology

The most recent technology and trends in chatbot app creation are kept up to date by our staff. Your chatbot will be created utilizing the most cutting-edge and effective tools and technologies possible thanks to the usage of the most recent tools and technologies.

4. Quality Control

To guarantee that your chatbot is of the greatest caliber, we adhere to a strict quality assurance process. Before the launch, our team rigorously tests the chatbot to find and address any bugs.

5. Affordable Solutions

We provide high-quality chatbot creation services at reasonable prices. We provide you with comprehensive details of the cost of designing chatbot apps.

6. Ongoing Assistance

We offer continuous upkeep and assistance for your chatbot. Our team is here to assist you with any problems that could crop up and to respond to any inquiries you might have.


These five AI-powered chatbot apps are just a sampling of the numerous chatbot platforms and technologies available today. Each has advantages and disadvantages, and businesses and organizations should select the one that best meets their needs and goals.

Creating an AI-based product such as Replika might be difficult, but with the appropriate features, it can be a rewarding experience. Replika is an AI chatbot program that communicates with people and provides them with a personalized experience by utilizing machine learning and natural language processing.

Creating a chatbot application can give various advantages to businesses, including better client engagement, increased sales, and lower operational costs. Yet, the cost of developing a chatbot app depends on several factors.

If you are considering establishing chatbot software for your company, it is critical that you select the correct development partner. Bigscal technologies as a custom software development company can help you with that. Feel free to contact us and get every detail about our services.