10 Best Free AI Apps for Android and iPhone to Try in 2024

Introduction 

AI apps are everywhere for every need — chatting, searching, seeking answers, and whatnot. While ChatGPT has emerged as a leader, AI existed long before ChatGPT hit the digital industry. But you may still get confused when seeking the best free AI app. This knowledgeable guide will walk you through the ten best free AI apps for everyday needs. Let's check. 

10 Best AI Apps for Android and iPhone 

Here's a detailed list of the ten best free AI apps for Android and iPhone that can help you in daily life by giving you more control over your work, emotions, and overall well-being. These apps keep you a step ahead in all fields. Let's explore them. 

#1. Otter.ai: Best for Professionals to Record Meetings and Transcribe Audio

Otter.ai is the best free AI app for recording and transcribing meetings and audio in real-time. It helps take notes, capture slides, and get real-time summaries. Otter.ai can be used for in-person meetings and on platforms like Microsoft Teams, Zoom, and Google Meet. 

Major Highlights 

• Simple and beginner-friendly UI
• Accurately transcribes audio 
• It supports transcription on multiple devices like computers, laptops, phones, etc.
• Syncs with calendar apps for better organization 

Disappointments/Scope for Improvement  

• It does not allow video transcription 
• Does not transcribe all audio files 
• Requires editing and human proofreading for complete accuracy 

What Made It in the Top 10

Otter.ai identifies speakers and captures presentation images besides recording meetings. It archives the dialogues easily and has many impressive features like editing, searching, sharing, etc.

Who is it Best For?

Otter.ai is best for students and professionals to take notes and increase productivity for a seamless workflow. AI technology assures accuracy in results.

User Reviews and Ratings 

Otter.ai seamlessly converts voice to text with real-time transcription, gaining appreciation and high ratings from users who use it to automate summarization.

G2: 4/5

Capterra: 4.5/5

Pricing 

The free version of Otter.ai has 300 transcription minutes/per month with 30 minutes per conversation

Paid Otter.ai plan starts at USD10/month/user with advanced search and export options 

#2. Lensa AI: Best Free AI App to Edit Photos 

Lensa AI is a great app to edit portrait selfies with different filters and features. It lets you refine your skin, correct your eyes, and make more changes for top-quality photos. Lensa AI has a background editor with a color adjustment function, making it popular among photo enthusiasts. 

Major Highlights 

• User-friendly and simple interface 
• Produce visually striking and personalized avatars 
• Uses AI-powered photo editing tools 
• Handles blurred backgrounds and removes unnecessary objects to improve images 
• Capable of turning portraits into a realistic art style

Disappointments/Scope for Improvement  

• Data privacy is a primary concern when you upload personal photos. 
• The free version has restricted functionalities. 
• The results might not suit everyone and trigger women by generating a sexual nature of photos despite uploading clean and normal pictures.

What Made It in the Top 10

Lensa AI helps turn portraits into realistic and creative avatars in multiple art styles. It stands out for gaming, social media, and personal artwork. 

Who is it Best For?

Lensa AI is best for all users looking to edit and enhance their images. It enables everyone to create stunning avatars and add creative effects. 

Pricing 

The free version of Lensa AI enables editing photos and allows using most of the features.

The premium plan of Lensa AI starts at USD2.16/month with access to all features.

#3. ChatGPT: Best for Mobile Interaction 

ChatGPT is another beautiful app for Android and iOS users to interact with the AI models and learn about the required topic. It provides immediate help with chatting aid, giving suggestions and ideas for your raised concerns and queries. The best part of ChatGPT is that it gives the impression of a natural person who understands and responds naturally.

Major Highlights 

• Actively generates creative text formats like music pieces, codes, poems, and scripts 
• Saves time and effort by autism the task of reports and emails 
• User-friendly and interactive interface 
• Creates professional quality content 
• Meets different professional needs with coherent texts

Disappointments/Scope for Improvement  

• Potential inaccuracies and biases with factual errors 
• Lacks emotional comprehension and subtleties of human emotions 
• It does not empathize and is incapable of doing complex social interactions 

What Made It in the Top 10

ChatGPT is there for your every need; whether you need a professional assistant or someone to chat with, ChatGPT is the answer to every need. It understands, interacts, and responds naturally like a real person. 

Who is it Best For?

ChatGPT is best for students, creative writers, researchers, professionals, and anyone who wants to chat and generate text. It also helps iOS and Android users translate languages. 

User Reviews and Ratings 

Users love ChatGPT's versatility. Its creative solutions and quick responses make it easy to use for multiple tasks and industries.

G2: 5/5

Capterra: 5/5

Pricing 

ChatGPT version 3.5 is free to use. 

ChatGPT Plus starts at USD20/month with faster responses and early feature access with using GPT-4.

#4. Grammarly: Best AI-powered Writing Assistant 

Grammarly is one of the best free AI apps for editing and improving written content with accurate grammar, punctuation, spelling, and vocabulary to ensure better writing experiences. With real-time suggestions for grammar fixes, it helps analyze the text's tone and works well with other apps. 

Major Highlights 

• Improves writing to enhance clarity in writing 
• Enriches vocabulary with appropriate suggestions 
• Seamlessly captures typos and other mistakes for clarity 
• Allows customizing the language according to region, like Canadian, Australian, British, or American English 

Disappointments/Scope for Improvement  

• It does not accurately identify every error
• Lacks complete accuracy in suggestions 
• Often miss a part of the text 
• Aggressive ads promoting the Premium version in the free Grammarly version 

What Made It in the Top 10

Grammarly has a host of massive features. It checks grammatical errors in real-time and examines tone to polish the content. The AI assistant helps create clear and professional writing on the go, enhancing your communication skills. 

Who is it Best For?

Perfect for students, teachers, professionals, and anyone looking to enhance their writing for proper tone and effective communication.

User Reviews and Ratings 

Grammarly has received excellent user reviews on G2 and Capterra. Users find it helpful for improving the clarity, coherence, and overall quality of their writing. 

G2: 5/5

Capterra: 5/5

Pricing 

Free Grammarly is available with basic checks. 

Premium Grammarly starts at USD12/month with advanced grammar and vocabulary suggestions. 

#5. Socratic by Google: Best Free AI App for Asking Questions  

Socratic by Google is the best free AI learning app for students to help them with schoolwork. It employs AI technology to find the best online resources for your topic and understand the concept. 

Major Highlights 

• User-friendly interface 
• Enables easy navigation to find the required help
• Does not burden students with financial constraints 
• Allows capturing and uploading photos of questions or simply typing them
• Supports voice recognition for input 

Disappointments/Scope for Improvement  

• Answers may not always be accurate 
• Requires humans to verify the generated results 
• Does not provide adequate support for advanced topics and specialized (highly) courses 

What Made It in the Top 10

Socratic employs various modes of asking questions - photos, texts, and voice input- making it easy for everyone to use the app and seek immediate help. 

Who is it Best For?

Socratic is a personalized learning app for students and anyone who has a quest for knowledge. 

Pricing 

Socratic by Google is entirely free. 

#6. Replika: Best Caring AI Companion 

Replika is one of the best AI app free that makes talking easy and fun. It lets you connect emotionally with Replika, customizing its appearance and watching it learn/grow through conversation. Replika can be your friend, mentor, partner (romantic), or anyone who helps understand your feelings and thoughts and track your mood to manage stress and think positively.

Major Highlights 

• Provides personalized guidance for improved mental well-being and productivity 
• Engages effectively through AR and video calls
• Records interactions and experiences 
• Retains essential details about the user, like personal information and interests/hobbies 

Disappointments/Scope for Improvement  

• It cannot substitute human connections and professional assistance 
• Struggle to understand the context, emotions, and intention of the user, generating inappropriate responses 

What Made It in the Top 10

Replika offers personalized guidance and improves overall health with diverse coaching styles such as self-care, motivation, gratitude, mindfulness, etc. It lets you view your Replika in 3D in your defined space, initiate video calls, and take photos together.

Who is it Best For?

Replika is best for anyone needing a tool for emotional support and entertainment. It acts as a virtual friend and mentor for self-improvement. 

Pricing 

The free version of Replika is available with customizable avatars. 

The paid subscription to Replika starts at USD 7.99/month with advanced features and 150+ activities.

#7. ELSA Speak: Best Free AI App to Learn English

ELSA Speak is another of the best free AI applications for personalized lessons and real-time feedback in American English. It is a virtual tutor that helps train accent, pronunciation, grammar, and vocabulary. 

Major Highlights 

• Customized learning of specific subjects 
• Interactive learning experience 
• Allows monitoring performance 
• Highlights the areas of progress 
• Offers various learning tools 

Disappointments/Scope for Improvement  

• Limited scope as it does not cover grammar and vocab
• Currently available for pronunciation training in American English only 

What Made It in the Top 10

ELSA Speak is not only the best AI for iPhone but also one of the best AI apps for Android users. It analyzes and corrects errors in spoken English to improve pronunciation, fluency, and understanding to master the language. 

Who is it Best For?

ELSA Speak suits anyone looking to enhance their English speaking skills, and it is suitable for learners of all levels, including beginners and intermediate. 

User Reviews and Ratings 

ELSA Speak is loved by users for its advanced and near-perfect AI learning technology. Advanced learners value ELSA Speak's contributions to enhancing their conversational skills. 

G2: 4.5/5

Capterra: 4.5/5

Pricing 

The free version of ELSA Speak offers 44 English sounds and topics

The Pro and Premium ELSA Speak versions are available at USD11.83/month and USD14.17/month

#8. Youper: Best Free AI App to Alleviate Anxiety and Improve Mood

Youper is a beautiful app that employs Cognitive Behavioral Therapy (CBT) techniques to uplift your mood and strengthen relationships. It offers many exercises to help you think wisely, manage stress, and control emotions. 

Major Highlights 

• Offers accessible therapy to wide users 
• Enables reducing stress and managing anxiety 
• Allows users to track their moods 
• It supports monitoring the emotional state 
• Provides insights and techniques to enhance mood 

Disappointments/Scope for Improvement  

• It does not replace professional therapists and mental healthcare experts 
• Can not diagnose or treat severe mental health conditions 
• Relies on human diagnosis and reports on thoughts 

What Made It in the Top 10

Youper is developed by therapists for the ones seeking budget-friendly options to reduce anxiety/stress and elevate mood. It helps motivate and offer coping strategies to foster stronger relationships. 

Who is it Best For?

Youper is the best free AI app for Android and iPhone users seeking mental well-being and personal wellness. It can reduce stress, deal with anxiety, and remove depression to boost your overall mood.

Pricing 

The free version of Youper offers limited features.

Youper's premium plans start at USD 5.83/month for medication, therapy, and behavior coaching.

#9. Starry AI: Best For Creating Beautiful Images 

Starry AI is one of the best free AI apps to generate beautiful images without watermarks. It lets you modify your creations using various styles, models, initial photos, and aspect ratios. It is a wonderful and best AI for iPhone and Android that ignites your creative mind. 

Major Highlights 

• Simple and easy-to-use UI
• Offers diverse art styles 
• It saves time and effort to generate images
• Provides a community of artists with their artwork 
• Regularly updates the models for improvement  

Disappointments/Scope for Improvement  

• Limited customization options that restrict the artists from exploring their artistic skills 

What Made It in the Top 10

Starry AI is the best free AI app for Android and iPhone that helps anyone improve their art, regardless of their art level and skill. It allows users to explore many aesthetics to find the ideal one that matches their needs. 

Who is it Best For?

Starry AI is best for artists and all users seeking reliable software to craft unique and impressive art for their passion for art. 

Pricing 

The free version of Starry AI provides up to 5 daily artworks without watermarks. 

The paid version of Starry AI is available at USD11.99/month with advanced features like Magic Avatars. 

#10. Perplexity AI: Best for Finding Relevant and Current Answers

Lastly, we have Perplexity AI, the best free AI app to help you find relevant answers to all your queries. Its AI technology effortlessly revolutionizes your quest for knowledge, enhancing your understanding. It allows guided AI search and threaded discussions for comprehensive insights and community learning. 

Major Highlights 

• Though responses with detailed explanations for deeper understanding 
• Supports multiple tasks like creating reports, solving problems, etc.
• Engage naturally in discussions and answer queries 
• Provide suggestions and feedback 
• Provides referential sources for all the generated information 

Disappointments/Scope for Improvement  

• It is inaccurate at times and requires manual proofreading 

What Made It in the Top 10

Perplexity AI allows users to generate information quickly and process language easily. Its AI technology saves time by providing referential sources for the generated information. 

Who is it Best For?

Perplexity AI is for every student, researcher, professional, or user looking for real-world information. It helps generate text and translates it into different languages to help users globally. 

User Reviews and Ratings 

Users regard Perplexity AI highly for its versatility as it helps them leverage advanced AI models on budget. 

G2: 5/5

Capterra: 5/5

Pricing 

The free version of Perplexity AI has limitations.

The Pro plan of Perplexity AI starts at USD 20/month.  

Best Free AI Apps Compared

Finding the best free AI apps is never easy unless you know your needs and requirements. Look at this comparative analysis to find the exact tool that fulfills your purpose and budget. 

Bonus Tip: Use UniFab All-In-One to Enhance Video with AI

Just like these best free AI apps help you with your daily chores and needs, one more software enables you to move a step forward in the digital arena. UniFab is the ultimate answer that provides a solution to all your video requirements: enlarging, upscaling, denoising, deinterlacing, enhancing, editing, and more.

UniFab All-In-One was developed to work on all Windows computers, including Windows 7 and later versions. It lets you import videos directly from its sister products (DVDFab or StreamFab) and upscale them in a few clicks. Its 50x faster GPU acceleration speed helps manage multiple scheduled tasks and complete them on time. 

Key Highlights of UniFab All-In-One 

• Smoothly enhance videos to 1080p full HD and 4K Ultra HD with AI
• Allows users to upmix audio to EAC3 5.1 and DTS 7.1 surround sound with AI
• Customize and compress video, retaining the original quality 
• Includes several tools for a complete software package 
• Losslessly converts video to HDR and Dolby Vision 

Use UniFab All-In-One to Enhance Video

Step 1: Launch UniFab on your PC and select the mode you require 

Launch and open the UniFab All-In-One program on your computer. Then, depending on your needs, select a desired mode from the left sidebar on the main interface. 

Step 2: Load the source video and edit the output video

Add the video you desire to enhance, upscale, remove noise from, deinterlace, smooth, etc. Adjust the video's output format, quality, audio, subtitle, etc., to meet your preferences.

Step 3: Get set and go

Preview the video settings. Then, tap the Start button to make the necessary changes to your video. UniFab will finish the task at blazing speed with GPU acceleration.

The Final Words

We have provided a detailed description of the best free AI apps for different uses. But before picking any tool, understand your needs and requirements. Also, consider its ease of use, pricing, additional features, and reputation before selling with your chosen best free AI app. You can trust UniFab All-In-One for complete video needs, as it excels in providing the necessary solution for all video queries. 

FAQs

Q. Can AI apps replace humans? 

AI apps can augment human creativity and skills but cannot replace them. These apps lack emotional intelligence and subjective judgment for contextual understanding. 

Q. Can beginners use AI tools? 

Yes. Many AI apps have simple UI for beginners to use and enhance their creativity. 

Q. Are AI apps safe to use? 

Each AI app has different security features. Always trust reputable tools with high ratings and user reviews. Also, review the privacy policy before uploading sensitive or personal data.