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20 Best AI Apps for Free in 2024

Updated Date: April 8, 2024
Written by Hemendra Singh

Artificial Intelligence (AI) stands out as a transformative force shaping the post-internet landscape. Live examples of top AI apps illustrate how individuals seamlessly integrate various services into their daily routines. Whether predicting market demands or safeguarding data security, AI proves its versatility.

Although introduced by humans, this technology operates with remarkable efficiency and speed. As technological familiarity grows among people, AI, in the form of applications, has successfully carved a niche in the palms of everyone. In this guide, we will talk about the best AI apps in 2024 and how they have streamlined a lot of tasks. If you are planning build an AI application, you can hire top rated AI development services.

What are AI Apps?

Interpreting in the simplest words, AI apps are the tools or platforms that make use of artificial intelligence to perform the commands given by users in a more efficient and quick manner. These apps remember the user behavior and preferences to give a personalized experience and output to the users. AI apps help to instill capabilities like face recognition, and content generation, and automate repetitive tasks with machine learning. Here is an ultimate guide on how to use AI in mobile apps.

Artificial Intelligence: Facts and Figures

ai mobile apps
Let’s have a glance over the statistical facts about artificial intelligence and its dominance-

  • Global artificial intelligence market value in 2023 is $200 billion which is all set to achieve the valuation of $1800 billion by 2030.
  • Moreover, 35% of the companies in the world are already using artificial intelligence in their operations while 42% of the companies are exploring the technology for future implementation.
  • 97% of mobile users use AI voice assistants in their devices.

So, the market and use of artificial intelligence is never going to take a pause. AI Mobile apps are the new face of technology which is all set to reshape the user experience with their devices. Let’s support this statement by talking about the best AI apps in 2024.

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List of 20 Best AI Apps

Top 10 AI Apps at a glance:

Name of App  Number of users  Subscription Model  Availability 
ChatGPT 100 Million+ Free and Paid  Android and iOS
Alexa  71.6 Million+ Free  Android and iOS
Siri  500 Million+ Free  iOS
Bing AI 100 Million+ Free  Android and iOS
Google Assistant  500 Million+ Free  Android and iOS
ELSA Speak  7 Million+ Free and Paid  Android and iOS
Socratic  11 Million+ Free  Android and iOS
Otter AI 100 Million+ Free and Paid  Android and iOS
Netflix  238 Million+ Paid  Android and iOS
Cortana  145 Million+ Free and Paid  Android and iOS

20 Best Free AI Apps

1. ChatGPT: Best AI App Overall

ChatGPT is nothing less than a revolution in the content generation landscape. Carrying a chat interface, this AI app generates the content according to the commands given by the users. Moreover, the AI chat app is now capable of generating codes, emotional tone content, problem-solving, and many more tasks within a fraction of a second. The latest update of ChatGPT even allows it to process audio and video files.

Key features of ChapGPT

  • Helps in writing content of different nature
  • Can write codes for almost any language
  • Translate the content in various languages
  • Generate research for the users to provide information
  • Summarize websites, movies, stories, and much more

2. Alexa

A well-known name in the market is Amazon Alexa which is an AI-powered virtual assistant designed by online commerce giant Amazon. The application can be used on iOS as well as Android devices. Amazon Alexa uses voice recognition technology, natural language processing, computer vision, machine learning, and Wolfram Programming language. This AI tool can be connected to smart lights, cameras, TV, and various other devices to control via voice commands.

Key features of Amazon Alexa

  • Plays music and radio stations
  • Set alarms, timers, and more
  • Answers various queries
  • Controls the smart home appliances
  • Home automation and security
  • Provides real-world global news insight

3. Siri

Siri is the virtual assistant invented by Apple that can perform tasks like phone calls, text messages, after questions, and offer recommendations. Being one of the best AI apps, Siri has the capability to record user behavior and commands to give the relevant output. More than 84.2 million people in the USA alone are using Siri as their voice assistant.

Key features of Siri

  • Tells about calls, messages, and more
  • Plays music
  • Opens up the apps and functionalities
  • Finds locations, makes the calls
  • Set alarms, reminders, and more.

4. Bing AI

Powered by Microsoft, it is a new version of the search engine with a chat feature that shares similarities to ChatGPT. This application gives direct answers to people’s queries, ensuring more clarity for the users and reducing the search time and effort. Microsoft Bing has more than 100 million daily active users.

Key features of Bing AI

  • Fosters intelligent search
  • Chat mode for content generation
  • Sidebar insights
  • Creative mode
  • Addressing broader queries

5. Google Assistant

Google Assistant is an AI app launched in 2016 that makes the different features of an Android app functional with the voice commands of users. Google Assistant is available for different devices including smartphones, headphones, fridges, and cars. One can put the command via text and voice.

Key features of Google Assistant

  • Set reminders for meetings, tasks, events, and schedules.
  • Sends messages and calls according to the command given by users
  • Saves the contacts
  • Helps in making arrangements for flight, train, hotel, and other bookings
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6. ELSA Speak

Elsa Speak is also an Artificial intelligence application carrying a user base of 34 million users in over 195 countries. This AI technology implementation can easily detect the accent of the language being spoken by the user and grab the command even if the language is not up to the mark. So, it has patterns to support even non-native speakers. ELSA Speak provides real-time effective feedback to its users on different topics.

  • AI-based system to monitor fluency, pronunciation, listening skills, and word stress.
  • Prepares international-level English fluency tests like IELTS and TOEFL.
  • Reduces the English language training costs by 20-30%.

7. Socratic

Helping students to solve math and other homework problems, Socratic is an AI-powered app that was acquired by Google in 2019. Being one of the most efficient AI tools, students can this to solve science, maths, literature, and social studies problems. iOS as well as Android devices support this application.

  • Scan and search for homework
  • Multi-language support
  • Speech recognition
  • Intelligent AI to provide results on queries
  • Inbuilt features like access to YouTube, Q&A, discussions, etc.

8. Otter AI

Carrying the term AI in its name, Otter AI is a speech-to-text transcription application. It allows multiple users to leverage different AI features like collaborating and holding discussions, generating content, writing emails, generating summaries and action points, and much more. One can connect Microsoft and Google calendars with OtterPilot.

  • Integrates Google Meet, Zoom, and MS Teams
  • Real-time recording as well as transcription
  • Auto slide capture and meeting summary creation

9. Netflix

Netflix is a name that everyone has heard of. A media giant that is known for its content by billions of users. Being an AI-supported application, Netflix records the users’ preference and their likes in types of movies, web series, and other content. Using this data, it suggests the movies to its users, enhancing the experience significantly. According to the data, the AI personalized recommendation system saves more than $1 billion to Netflix.

  • Tracks user behavior and preferences
  • Recommends the movies and series according to user interests
  • Minimize the efforts of finding the right content

10. Magic Design by Canva

This is the AI tool designed by Canva that helps to visualize custom design ideas according to the particular needs of the users. One can get started with a blank presentation and this leading AI App will do the rest of the work for creativity. The app learns from the templates, images, and designs available at Canva to create intuitive visual designs for users.

  • Free online AI image generator
  • Design templates with team
  • AI-powered writing assistant

11. Cortana

Another digital assistant introduced by Microsoft, Cortana takes voice commands from users to perform certain tasks. By using natural language processing, it processes the generated queries and gives the relevant results. You can access this AI technology app to find facts, information from the encyclopedia, and definitions according to voice commands.

  • Calender and schedule assistance
  • Makes to-do lists
  • Helps manage schedules, notifications, etc.
  • Provides definitions, voice-over search for queries, quick answers
  • Live weather updates and notifications
  • Real-time news updates across the globe

12. Youpere

Youpere is a well-known and best AI mobile application that combines clinical effectiveness and helps people promote better mental health. The app reads the emotions and moods, inserts the information, and tracks the progress. The integrated AI chatbot in Youpere helps to understand the current feelings of users and calm them with professionally customized meditation.

  • Manage stress, improves mental health, and helps cope with anxiety
  • Helps control negative thinking, and toxic self-talk
  • Motivates toward achieving the goal
  • Builds self-esteem

13. Replika

Behaving more like a virtual friend, Replika mimics the human-centric behavior that can talk to you about anything. This AI app fosters natural human interaction that predicts the patterns of responses and customizes the conversation. One can talk about movies, art, and travel with Replika to avoid boredom. At the same time, it also acts as a mentor to the user when they have queries about any topic.

  • Talks about interests, life, and day of user
  • AR feature to provide real-time personal experience
  • Answers text messages through voice-over actions
  • Tells thoughts, jokes, memes, jokes, and much more.

14. Robin

Robin is basically an AI car assistant app that ensures the rides are safe and secure for the users. This artificial intelligence app helps to navigate the map, play the audio, podcasts, and much more with just voice commands.

  • Ensures a safe and fun ride
  • Navigates the ways, plays audio, podcasts, and music in the car
  • AI-programmed track patterns to respond to user-centered behavior
  • 3-D navigation and weather updates

15. Hound

Hound is a natural voice AI assistance that answers query-based questions according to user-generated commands. Answering the queries of users is one of its core competencies that allows it to give the exact answers according to questions as per the command.

  • Fast and accurate results to the queries
  • Makes phone calls and text messages
  • Provides weather updates
  • Plays music and games according to the users’ command

16. Face App

As the name suggests, Face App is a leading AI app that creates photorealistic portraits from selfies with a mere click. The core use case of this app is it helps the users to edit the photographs in various ways to upload on social media and other platforms. Face App is available for both Android as well as iOS users. One can add different hairstyles, change backgrounds, and make personalized facial features with this top AI app.

  • Help add various elements like beard, lipstick, mustache, etc. to the user’s face
  • Gender swap feature
  • Allows to edit and share pictures on social media platforms
  • Multiple language support

17. eBay- AI-Powered Online Auction and Shopping App

eBay is another mobile app that offers a tangible gateway to eCommerce, allowing users to buy and sell products. Using AI power helps to optimize the user experience to suggest relevant products. Using computer vision, recommendation systems, machine learning, and natural language processing, eBay has been delivering a customized experience to its users.

  • Records the users’ interests and preferences
  • Suggests the relevant products to buy
  • Connect the potential sellers and sellers

18. Swiftkey Keyboard

Swiftkey Keyboard utilizes artificial intelligence to predict, comprehend, and suggest words to users as they type about something. This way, the speed and quality of writing are enhanced automatically without devoting a lot of time to editing. At the same time, this keyboard also helps to send emojis and stickers. An integrated clipboard along with a gesture-based keyboard is also available for the convenience of users.

  • Splendid word prediction with artificial intelligence
  • Synchronization across multiple devices
  • Gesture-based keyboard features
  • Flexible layout and designing
  • Multi-language support

19. Siftr Magic

This is a magic clear AI app that helps to clean junk files and storage in mobile devices. Being one of the best AI apps, it can instantly track and remove the corrupt files of a device and save a lot of storage for the users. Siftr Magic is available in various languages like English, Malay, Spanish, French, Chinese, Portuguese, Italian, and German.

  • Feature point localization and detection
  • Detect and delete the spam photos.

20. Hopper

Hopper is an AI traveling companion that is also one of the highest-rated artificial intelligence apps in the market. You can find flights, hotels, cars, and many more assistance using this app for a seamless experience of your travel plan. At the same time, AI helps to scan the various service providers and then suggest the one with the lowest and most cost-efficient pricing service to the user.

  • Locates inexpensive lodging, travel, and transportation
  • 95% accuracy in monitoring and arranging recommendations
  • Minimizes expenses and saves a lot of time
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How Much Does it Cost to Develop AI Apps?

ai application development cost
A basic AI personal assistant app costs somewhere between $20,000 to $50,000 for development. However, the cost of developing such an app is highly viable as it depends on a range of factors. You can get the app developed from as low as $20,000 to as high as $100,000. It all depends on the features and functionalities that you want to see in your software. Let’s grab a little knowledge about the factors that determine the cost of AI app development-

Complexity  The complexity of your AI app development project increases the cost. If it requires a lot of third-party support, the cost will automatically increase. 
Features and functionalities  The app features that you decide to foster in the software are the biggest determinant of your cost. More are the features, the higher will be the cost. 
Design  Using intriguing animations, unique graphics, and an intuitive interface surely affects the cost of development. 
App platform  Whether you want the app for Android or iOS or both, it will have a big impact on your cost of AI app development. 
Development team locations  Hiring a development team from European countries or the USA will cost you multiple times the cost of hiring a team from Asian countries like India. 

Wrapping Up

Developing an AI-powered mobile app can be a great investment in 2023. While these apps attract hundreds of millions of users every day, the market will only grow. Developing such an app can help you achieve competitive advantages over thousands of apps roaming on the App Store and Play Store. The NineHertz invites you with your idea to transform it into a reality.


1. What is the Best AI App in 2024?

While there are numerous apps changing the user experience with artificial intelligence, one name can not be announced as best. According to particular functionalities, there are different AI assistant apps like ChatGPT, Siri, Google Assistant, and Alexa which are driving fantastic user experience.

2. Are AI Apps Free to Use?

The subscription fee totally depends from app to app. Owners implement different types of monetization models on your application, some of which makes the services free for users while other require a fee subscription.

3. Is the AI Market on the Rise After 2024?

The AI market is all set to show a sharp spike in the upcoming year. The global artificial intelligence market valuation is forecasted to multiply itself in upcoming years. This makes AI app development a great investment idea for everyone.

4. How Can I Develop an AI app?

All you need is an idea about the application you want to develop. Hire a proficient AI app development team that will carry out the rest of the process for you.

Hemendra Singh

My name is Hemendra Singh. I am a Director and Co-founder of The NineHertz, IT Consulting Company. I am having a keen interest in the latest trends and technologies that are emerging in different domains. Being an entrepreneur in the field of the IT sector, it becomes my responsibility to aid my audience with the knowledge of the latest trends in the market.