Best for Google ecosystem integration
Google Gemini vs ChatGPT vs Microsoft 365 Copilot: which AI productivity app should you choose?
Choose Gemini for Google ecosystem integration, ChatGPT for a highly rated general-purpose assistant, or Microsoft 365 Copilot for Office-focused work and collaboration.
At a glance
| App | Google Play rating | Price | In-app purchases | Platforms | Age rating |
|---|---|---|---|---|---|
| Google GeminiGoogle LLC | 4.6 out of 539,339,906 ratings | Free | No | Android, iOS | Teen |
 ChatGPTOpenAI | 4.8 out of 566,117,409 ratings | Free | Yes ($8.00 - $500.00 per item) | Android, iOS | Teen |
 Microsoft 365 CopilotMicrosoft Corporation | 4.5 out of 59,116,983 ratings | Free | Yes ($0.49 - $199.99 per item) | Android, iOS | Teen |
Ratings, prices and age ratings come from the Google Play listings, read on Nov 7, 2026. Listings change over time.
How we compared them
Google Gemini, ChatGPT, and Microsoft 365 Copilot are free-to-download AI productivity apps for writing, planning, answering questions, and creating content. All three have more than 1 billion installs on Google Play and are rated for teens.
Their strongest fits differ: Gemini connects naturally with Google services, ChatGPT is the highest-rated of the three, and Copilot centers on Microsoft 365 tools. This comparison weighs their Play Store ratings, pricing and ads alongside their stated strengths and trade-offs, so you can match an app to your workflow.
How we compared them
We compared Google Play ratings, install counts, free-to-download status, in-app purchases, and ad disclosures as recorded on November 7, 2026. Those figures offer a broad popularity and cost snapshot, not a measure of answer quality or performance.
We also considered each app's stated purpose, strengths, and trade-offs. Google Play declares that ChatGPT shares device or other IDs and collects several categories of account, interaction, content, and diagnostics data; it says data is encrypted in transit and users can request deletion. No data-safety details are included here for Gemini or Copilot.
Google Gemini
Google LLC4.6 out of 5 on Google Play
Best for people who rely on Google services for everyday tasks
Gemini is a natural fit for users who want an AI assistant alongside Google's services. Its intuitive interface, collaboration features, and broad integration options give it an edge over ChatGPT and Copilot for people already working in Google's ecosystem.
The app is free to download with no in-app purchases or ads, but its known trade-offs include limited offline functionality, occasional sync issues, and high battery consumption. Initial setup can also be complex.
- Price
- Free, no ads
What we like
- Broad integration options for Google users
- Intuitive interface and collaboration features
- No in-app purchases or ads
What to know
- Limited offline functionality and occasional sync issues
- High battery consumption and complex setup
ChatGPT
OpenAI4.8 out of 5 on Google Play
Best for people seeking a versatile, highly rated AI assistant
ChatGPT has the highest Google Play rating of these three apps, at 4.8 from 66,117,409 ratings. Its broad role as an assistant for writing, search, image generation, and questions makes it the most general-purpose choice in this comparison, with support for multiple languages.
It is free to download, but offers in-app purchases and is marked as containing ads. It requires an internet connection, can give generic answers or struggle with complex queries, and may be slow during busy periods. Google Play also reports that it shares device or other IDs and collects several types of user and diagnostic data.
- Price
- Free, with ads
What we like
- Highest Play rating of the three
- Supports writing, search, and image generation
- Supports multiple languages
What to know
- Requires an internet connection
- May give generic answers or struggle with complex queries
Microsoft 365 Copilot
Microsoft Corporation4.5 out of 5 on Google Play
Best for Microsoft 365 users creating and coordinating work documents
Copilot is the most directly oriented toward Office-based work, with Microsoft 365 integration, professional templates, and collaboration tools. Its cloud-service connections and cross-platform compatibility make it a practical fit for teams already working with Microsoft tools.
The app is free to download but offers in-app purchases and is marked as containing ads; full features require a subscription. Its interface can be complex for new users, and limited offline functionality and occasional OneDrive sync issues may disrupt workflows.
- Price
- Free, with ads
What we like
- Integration with Microsoft 365 and cloud services
- Professional templates for work content
- Collaboration tools and cross-platform compatibility
What to know
- Full features require a subscription
- Limited offline functionality and occasional OneDrive sync issues
Which one should you pick?
Best-rated general-purpose assistant
ChatGPT
Best for Microsoft 365 workflows
Microsoft 365 Copilot
Frequently Asked Questions
Which app has the highest Google Play rating?
ChatGPT has the highest rating of the three at 4.8 from 66,117,409 ratings. Gemini is rated 4.6, and Microsoft 365 Copilot is rated 4.5.
Are Gemini, ChatGPT, and Microsoft 365 Copilot free?
All three are free to download. Gemini has no in-app purchases; ChatGPT and Copilot offer in-app purchases, and Copilot requires a subscription for full features.
Which app is best for Microsoft Office work?
Microsoft 365 Copilot is the clearest fit for Office-focused work because it integrates with Microsoft 365 and offers professional templates and collaboration tools.
Which of these apps shares data according to Google Play?
ChatGPT's Google Play data-safety declaration says it shares device or other IDs and collects several categories of personal, interaction, content, and diagnostic data. It also says data is encrypted in transit and deletion can be requested.