What is the AI app everyone is using​? Discover the top trends of 2025

In 2025, the question “What is the AI app everyone is using?” is more relevant than ever. ChatGPT had over 546 million monthly mobile users in January 2025 (Backlinko), and nearly two billion people worldwide now use AI tools (Menlo Ventures). 

AI is no longer niche it’s part of how we communicate, create, and work. This article explores the top AI apps of 2025, why they’re popular, and how to choose the right one for you.

Popularity Statistics of AI Apps in 2025

In 2025, AI use has surged worldwide. According to Statista, monthly AI app users have tripled since 2023. As searches for what is the AI app everyone is using grow, it’s clear that AI tools have become essential for work, creativity, and communication.

Here are some key statistics highlighting this massive adoption:

• According to Statista, the number of monthly AI app users has tripled compared to 2023.
• Data from Similarweb and Exploding Topics shows that over 42% of global internet users now use at least one AI-powered app every month.
• Chat-based AI assistants, AI writing tools, and image-generation platforms are the most widely adopted categories in 2025.
• The U.S., China, India, and the U.K. remain the largest AI markets, but Southeast Asia — especially Vietnam, Indonesia, and Thailand — is among the fastest-growing regions for AI adoption.
• The growing popularity of tools like ChatGPT, Canva, and Grammarly shows how AI is now deeply integrated into communication, creativity, and productivity.

In short, AI apps have gone fully mainstream. From classrooms to boardrooms, millions of people now rely on these tools every day to work smarter, create faster, and innovate more effectively.

What is the AI app everyone is using​?

ChatGPT (OpenAI)

ChatGPT by OpenAI is the world’s most popular conversational AI tool, with over 500 million users each month. It can write, code, answer questions, and even tell stories. With its smart responses and easy integration, ChatGPT has become a trusted assistant for people around the world.

Advantages:

• Produces context-aware and accurate responses across diverse topics.
• Ideal for writing, brainstorming, and generating structured content.
• Regularly updated with new features like image generation and voice interaction.
• Compatible with many productivity tools and APIs.

Disadvantages:

• Free version lacks real-time internet access.
• May produce biased or outdated information.
• Full features require a paid subscription.

ChatGPT is a helpful tool for everyday productivity. Writers can polish their drafts, students can explore new ideas, and professionals can save time by automating content. At DevDay 2025, OpenAI also introduced a new Apps SDK, allowing developers to build mini-apps inside ChatGPT — such as Spotify, Canva, or Coursera — so users can complete tasks without leaving the chat.

Perplexity AI

Perplexity AI blends real-time web search with AI chat to give clear, fact-based answers. It now has about 10 million active users. Fast and accurate, it’s a smart alternative to traditional search engines. In 2025, it stands out as a top choice for people who want instant and reliable information.

Advantages:

• Provides source citations for every answer.
• Delivers fast, conversational, and evidence-based responses.
• Great for research, summaries, and topic exploration.
• Simple and clean user interface.

Disadvantages:

• Limited personalization options.
• May struggle with highly technical or niche subjects.
• Relies on internet access for up-to-date results.

Perplexity AI Pricing Plans

In October 2025, Perplexity AI made headlines with several key updates. The company launched its Comet AI browser for free, previously exclusive to paid users, and introduced a new background assistant for its Max plan. It also partnered with PayPal to enable in-chat payments, letting users book or shop directly through Perplexity.

Claude (Anthropic)

Developed by Anthropic, Claude is designed to be ethical, transparent, and safe for enterprise use. It is well-known for its empathetic, thoughtful responses and strong emphasis on user privacy. Many professionals choose Claude for its ability to handle complex business communication securely.

Advantages:

• Prioritizes privacy and data protection.
• Generates detailed, well-reasoned long-form content.
• Understands context across lengthy documents.
• Excellent tone control for professional communication.

Disadvantages:

• Access is limited in some regions.
• Slightly slower response speed for complex tasks.
• Fewer integrations compared to competitors.

Claude works best in business and enterprise settings. It focuses on security, ethics, and professionalism. It’s ideal for consulting, education, and internal documentation.

In 2025, Anthropic released Claude Sonnet 4.5, featuring better reasoning, memory tools, and editable context. The company also added Claude Code plugins, letting developers build custom extensions directly inside Claude.

Stable Diffusion & DALL·E

Stable Diffusion and DALL·E (by OpenAI) lead the way in AI image generation. They turn text prompts into beautiful visuals in seconds. Designers, marketers, and creators love them for quick, low-cost content. As people ask what is the AI app everyone is using, these tools often top the list for making AI art easy and accessible in 2025.

Advantages:

• Creates high-quality images in seconds.
• Offers flexibility across various artistic styles.
• Enables users to fine-tune results for professional use.
• Saves time and resources for creative teams.

Disadvantages:

• Results depend heavily on prompt quality.
• May produce inconsistent or unrealistic details.
• Commercial use can raise copyright concerns.

These tools are ideal for visual storytelling  whether you’re creating ad visuals, digital art, or social media content that stands out.

Stable Diffusion has recently partnered with NVIDIA to launch Stable Diffusion 3.5 NIM, offering faster performance and easier enterprise deployment. Meanwhile, AMD introduced a version optimized for its Ryzen AI laptops, allowing users to generate images locally without the cloud. 

Optimo

Optimo is an AI marketing assistant that automates content and ad optimization. It helps users write better copy, manage campaigns, and track results across platforms. This makes it a powerful tool for digital marketers.

Advantages:

• Automates ad copywriting and content optimization.
• Provides SEO and keyword insights.
• Supports A/B testing and performance tracking.
• Simple interface for non-technical marketers.

Disadvantages:

• Limited functions outside marketing.
• Premium features may be expensive for small businesses.
• Results still require human review for tone and accuracy.

Optimo works best for businesses and marketers who want to scale campaigns quickly. It helps them save time and reduce the need for a large marketing team. 

In August 2025, Optimo added new AI marketing tools to help businesses work faster and be more creative. The platform now covers SEO, ads, copywriting, video, social media, and email. Users can quickly create blog titles, ad copy, video scripts, and Instagram captions.

Canva

Canva has evolved from a simple design tool into an AI-powered creative platform. It includes tools like Magic Write, Magic Design, and Text-to-Image that make creating visuals easy for everyone. With over 278 million monthly visits, Canva often tops lists when people ask what is the AI app everyone is using, thanks to its smart mix of creativity and AI innovation.

Advantages:

• Extremely user-friendly drag-and-drop interface.
• AI automates design suggestions and visual generation.
• Vast library of templates and brand kits.
• Enables seamless team collaboration.

Disadvantages:

• Some advanced assets require Canva Pro.
• Limited offline functionality.
• AI-generated designs can feel repetitive if not customized.

Canva is great for social media managers, small business owners, and teachers. It helps them create beautiful designs fast and at a low cost.

In 2025, Canva introduced Visual Suite 2.0, which combines design and productivity tools in one platform. It includes Canva Sheets, Magic Charts, and Magic Studio to make creating easier and faster. Canva also added support for 16 new languages and 31 cultural styles, helping users make more personalized designs. 

Grammarly

Grammarly is one of the most trusted AI writing tools in the world. It checks grammar, clarity, and tone in real time. Millions of people use it to improve their writing for school and work.

Advantages:

• Detects grammar, spelling, and punctuation errors instantly.
• Offers tone, clarity, and engagement suggestions.
• Works across browsers, email clients, and Word documents.
• Premium version includes plagiarism checks.

Disadvantages:

• Internet connection required for full functionality.
• Less effective for highly creative writing.
• Premium pricing may deter casual users.

Grammarly is a must-have tool for anyone who writes often. It helps students, professionals, and business leaders improve their writing. Every message becomes clear, confident, and free of mistakes.

In August 2025, Grammarly introduced eight specialized AI agents within its new writing platform, "Docs." These agents assist with tasks such as finding credible sources, checking originality, predicting reader reactions, and evaluating content against grading rubrics. 

Microsoft Copilot

Microsoft Copilot works inside Microsoft 365 apps like Word, Excel, and Outlook. It brings AI features into tools people already use. It can summarize meetings, write drafts, and handle repetitive tasks for millions of users.

Advantages:

• Deep integration with the Microsoft ecosystem.
• Enhances efficiency by automating document and data tasks.
• Summarizes meetings and emails intelligently.
• Enterprise-grade security and compliance.

Disadvantages:

• Available mainly through Microsoft 365 subscriptions.
• Requires user training to leverage full potential.
• Limited outside the Microsoft environment.

Microsoft Copilot works best in offices and professional settings. It helps teams who use Microsoft apps every day. The tool boosts productivity and makes workflows smoother.

In October 2025, Microsoft Copilot added new features to make work easier. It can now access Gmail and Outlook, helping users read emails and manage calendars directly in the chat. Copilot also allows users to create Word, Excel, PowerPoint, and PDF files from prompts without switching apps

Additional Notable AI Apps

Besides the big AI names, many other tools are growing fast in 2025. They may not be as famous, but they help people work and create more easily. Here are a few worth knowing:

• DeepL — A top choice for translations. It gives accurate, natural results in over 30 languages and keeps the meaning and tone of the original text.
• Genius — Helps you come up with ideas. You can use it to write lyrics, scripts, or outlines. It’s great for writers and creators who need quick inspiration.
• Talkie AI — Turns text into lifelike speech. It’s used in games, education, and storytelling to make voices sound real and emotional.
• Remini — Improves old or blurry photos and videos. It sharpens details and fixes lighting, making pictures look clear and natural in seconds.

How to Choose the Right AI App for You

With so many AI tools available, choosing the right one can be difficult. Many people asking what is the AI app everyone is using soon realize there’s no single answer. The best app depends on your goals — like improving productivity, boosting creativity, or growing your business. Here are a few tips to help you decide.

• Identify your main objectives: Determine what you want to achieve — for example, writing content, managing marketing campaigns, designing visuals, or automating workflows. Clear goals make it easier to narrow down tools suited to your needs.
• Test and compare different apps: Many AI platforms offer free trials or demo versions. Experiment with several to evaluate usability, accuracy, and integration with your existing tools before committing to one.
• Assess value beyond price: While cost matters, also consider scalability, available features, and data security. A slightly higher-priced app may deliver more reliable results and better long-term value.
• Look for active community and support: Choose tools with an engaged user base, regular updates, and accessible support channels. A strong community can help you troubleshoot and discover creative use cases.
• Maximize AI efficiency through practice: Learn how to prompt effectively and explore advanced features. The more you use and refine your approach, the more powerful and accurate your AI outcomes will become.

By combining experimentation with clear goals, you can find an AI app that not only fits your workflow but also amplifies your creativity and productivity over time.

Last thoughts

As AI continues to evolve, one thing is clear — there isn’t just one definitive answer to what is the AI app everyone is using. Instead, there’s an entire ecosystem of tools reshaping how we work, learn, and create. 

From intelligent chatbots like ChatGPT and Claude to creative powerhouses like DALL·E and Canva, each app serves a unique role in making technology more personal and accessible. The right choice ultimately depends on your goals — whether you’re aiming to boost productivity, spark creativity, or simply explore what’s possible with AI. 

One thing is certain: in 2025 and beyond, understanding and leveraging these tools will be key to staying ahead in an increasingly intelligent world.