Best for voice commands and smart-home control
Google Assistant vs ChatGPT vs Perplexity: which AI assistant should you choose?
Choose Google Assistant for voice commands and smart-home control, ChatGPT for broad conversational help and writing, or Perplexity for quick answers grounded in web search.
At a glance
| App | Google Play rating | Price | In-app purchases | Platforms | Age rating |
|---|---|---|---|---|---|
| Google AssistantGoogle LLC | 3.9 out of 51,346,810 ratings | Free | No | Android, iOS | Everyone |
 ChatGPTOpenAI | 4.8 out of 566,117,409 ratings | Free | Yes ($8.00 - $500.00 per item) | Android, iOS | Teen |
 Perplexity - Ask AnythingPerplexityAI | 4.6 out of 52,094,615 ratings | Free | Yes ($4.99 - $1,999.99 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
All three apps offer free ways to ask questions and get help, but they serve different needs. Google Assistant focuses on voice commands, everyday tasks, and connected devices; ChatGPT is a flexible conversational tool; Perplexity centers on finding answers through search.
This comparison weighs their Play Store ratings and availability alongside their stated strengths, trade-offs, pricing, and ad status. It will help you decide which approach fits your daily tasks.
How we compared them
We compared the Google Play ratings, install counts, prices, in-app purchases, and ad status read on November 7, 2026. These figures indicate popularity and store feedback, not a guarantee that an app will suit every user.
We also considered each app’s stated purpose and strengths and weaknesses. The only data-safety declaration available for this comparison is ChatGPT’s: Google Play says it shares device or other IDs, collects several categories of account, interaction, content, and diagnostic data, encrypts data in transit, and lets users request deletion.
Google Assistant
Google LLC3.9 out of 5 on Google Play
Best for hands-free tasks and smart-home control
Google Assistant is the clearest choice for spoken commands, managing everyday tasks, and controlling compatible smart-home devices. It supports multiple languages and personalized recommendations, making it more oriented toward action and device control than ChatGPT or Perplexity.
Its free, ad-free offering is appealing, but it depends on an internet connection and has limited offline functionality. Accents can be misunderstood, and privacy concerns and potential battery drain are trade-offs to consider.
- Price
- Free, no ads
What we like
- Voice commands for hands-free tasks
- Smart-home device integration
- Free and ad-free
What to know
- Limited offline functionality
- May misunderstand some accents
ChatGPT
OpenAI4.8 out of 5 on Google Play
Best for writing help and open-ended conversation
ChatGPT is the most highly rated of the three on Google Play, with a 4.8 rating from 66,117,409 ratings. Its conversational format and writing assistance make it a versatile choice for exploring ideas and getting detailed responses across many topics.
It requires internet access, may give generic answers or struggle with complex queries, and can be slow during peak times. Google Play also indicates in-app purchases and ads; its data-safety declaration covers sharing device IDs and collecting a range of user and diagnostic information.
- Price
- Free, with ads
What we like
- Highest Google Play rating of the three
- Useful for writing and detailed responses
- Supports multiple languages
What to know
- Requires an internet connection
- May give generic answers or struggle with complex queries
Perplexity - Ask Anything
PerplexityAI4.6 out of 5 on Google Play
Best for search-led answers to questions
Perplexity is built around getting answers to questions, with a search-oriented approach that makes it the natural fit when you want to explore a topic. It has a 4.6 Google Play rating and is described as fast and easy to use, while covering a wide range of subjects.
It is free to start and has no ads shown on Google Play, but in-app purchases are available. Like the other two, it requires an internet connection; some answers may lack depth, and its offline features are limited.
- Price
- Free, no ads
What we like
- Search-focused answers across many topics
- 4.6 Google Play rating
- No ads shown on Google Play
What to know
- Limited offline features
- Some answers may lack depth
Which one should you pick?
Best for writing and conversation
ChatGPT
Best for search-led answers
Perplexity - Ask Anything
Frequently Asked Questions
Which app has the highest Google Play rating?
ChatGPT has the highest rating of the three: 4.8 from 66,117,409 ratings. Perplexity is rated 4.6, and Google Assistant 3.9.
Which app is best for controlling smart-home devices?
Google Assistant is the strongest fit because it supports smart-home device control and voice commands.
Which app is best for finding answers through search?
Perplexity is the search-focused option. ChatGPT is a better fit for conversational help and writing, while Google Assistant is oriented toward voice commands and everyday tasks.
Are these apps free, and do they show ads?
All three are free to download. Google Play shows no ads or in-app purchases for Google Assistant, in-app purchases and ads for ChatGPT, and in-app purchases but no ads for Perplexity.