In this article, we'll dive into the world of AI-assistant apps and explore the best options available for both iOS and Android users. With ChatGPT leading the pack since its launch in 2022, it's no surprise that other big players like Google, Microsoft, and X have joined the fray. But can they really catch up to ChatGPT? To find out, we'll be reviewing 12 top AI-assistant apps side by side.

AI-Assistant Apps for Android & iOS: A Comparison

Here are the top AI-assistant apps for both Android and iOS users:

  • Microsoft Copilot
  • Claude
  • Poe AI
  • Merlin AI
  • Google Gemini AI
  • Perplexity AI
  • ChatGPT
  • DeepSeek AI
  • Grok
  • Gemmy AI
  • ChatOn AI
  • Chatbot AI

If you prefer a quick comparison overview, check out the full comparison table of all AI-assistant apps.

Microsoft Copilot: A Game-Changer for Workflow

Microsoft Copilot surprised us with how well it actually works. With 4.8-star ratings on both Android and iOS, it's clear that people are really liking it. After using it for a while, we can see why: it's not just another AI chat app, but something that actually feels like it belongs in your workflow, especially if you're already using Microsoft stuff.

Key Features:

  • Chat with AI: Ask questions, get help with writing, or just have a conversation
  • Create Images: Describe what you want and the AI makes pictures for you
  • Talk to AI: Use your voice instead of typing
  • Translate Text: Get help with multiple languages
  • Works with Office: Use AI directly in Word, Excel, and PowerPoint
  • Write for You: Help with emails, resumes, and other writing tasks

Pros & Cons:

Pros:

  • Free to use with good features
  • Works great with Microsoft Office
  • Can create images from text
  • Voice commands work well
  • Syncs across your devices
  • Easy to use

Cons:

  • Pro version is expensive at $20/month
  • Some cool features cost money
  • Excel features still being worked on

Who is this great for?

Microsoft Copilot is perfect for anyone already using Microsoft Office or Windows regularly. If you're a student, professional, or business user who relies on Word, Excel, or PowerPoint, Copilot will feel like a natural extension of your workflow.

Compared to others

Microsoft Copilot holds its own against ChatGPT in most areas, though ChatGPT still has the edge in conversation quality and overall AI capabilities. When compared to Claude, Copilot's Microsoft Office integration gives it a clear advantage for productivity users, while Claude excels in privacy and detailed reasoning. Against Google Gemini, Copilot offers better Office integration, but Gemini has stronger multimodal capabilities and Google ecosystem integration.

Detailed Comparisons

  • Microsoft Copilot vs ChatGPT
  • Microsoft Copilot vs Claude
  • Microsoft Copilot vs Google Gemini

Claude: A Private AI Assistant

Claude by Anthropic has quickly become one of the most trusted AI assistants out there. With over 5 million downloads and a strong focus on privacy, it's clear why people are choosing Claude over other options.

What really sets Claude apart is its commitment to user privacy and its ability to handle complex reasoning tasks. Unlike some other AI assistants that feel like they're collecting data at every turn, Claude feels genuinely respectful of your information.

Key Features:

  • Instant Answers: Get quick responses to any question or task
  • Extended Reasoning: Advanced models for step-by-step problem solving
  • Image & File Analysis: Attach files or photos for real-time analysis
  • Cross-Device Sync: Continue conversations across web and mobile
  • Privacy-Focused: Designed with user privacy in mind

Pros & Cons:

Pros:

  • Quick answers
  • Strong privacy
  • Easy to use
  • Works on phone and computer
  • No ads

Cons:

  • Chat limits in free version
  • No memory between chats
  • Some features cost extra

Who is this great for?

Claude is perfect for anyone who values privacy and wants a reliable AI assistant that can handle both simple questions and complex reasoning tasks. If you're working on detailed projects that require step-by-step thinking, or if you're concerned about data privacy, Claude should be at the top of your list.

Compared to others

Claude stands out for its privacy focus and reasoning capabilities when compared to ChatGPT, though ChatGPT has the edge in conversation flow and creative tasks. Against Microsoft Copilot, Claude offers better privacy and reasoning, while Copilot excels in Office integration and image creation. When compared to Google Gemini, Claude provides stronger privacy protections, but Gemini offers better multimodal capabilities and Google ecosystem integration.

Detailed Comparisons

  • Claude vs ChatGPT
  • Claude vs Microsoft Copilot
  • Claude vs Google Gemini