Pros
- Voice commands support hands-free multitasking
- Smart-home control and customizable routines
- Multiple-language support
Google Assistant vs ChatGPT vs Perplexity: which AI assistant should you choose?
Choose Google Assistant for voice commands and smart-home control, ChatGPT for creative and flexible conversation, or Perplexity for answers designed around finding information.
At a glance
Google AssistantGoogle LLCGoogle Play3.9 out of 5
PriceFree
In-app purchasesNo
PlatformsAndroidiPhone
Age ratingEveryone
ChatGPTOpenAIGoogle Play4.8 out of 5
PriceFree
In-app purchasesYes ($8.00 - $500.00 per item)
PlatformsAndroidiPhone
Age ratingTeen
Perplexity - Ask AnythingPerplexityAIGoogle Play4.6 out of 5
PriceFree
In-app purchasesYes ($4.99 - $1,999.99 per item)
PlatformsAndroidiPhone
Age ratingTeen
Ratings, prices and age ratings come from the Google Play listings, read on Nov 7, 2026. Listings change over time.
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How we compared them
All three apps offer help through natural-language requests, but they serve different purposes. Google Assistant emphasizes voice control, routines, and connected devices; ChatGPT is a flexible conversational tool for questions and creative work; Perplexity focuses on getting answers across a wide range of topics.
This comparison weighs their features, trade-offs, Google Play ratings and install figures to help you decide which fits your everyday needs.
How we compared them
We compared the apps’ stated roles and strengths, along with their Google Play ratings, install counts, prices, ad status, and in-app purchase ranges. Store figures were read on November 7, 2026.
Google Play declares that ChatGPT shares device or other IDs and collects several categories of user and app data; it says data is encrypted in transit and users can request deletion. No equivalent safety details are included here for Google Assistant or Perplexity, so we do not draw a comparison about their data practices.
Google Assistant
by Google LLC
3.9 out of 5 on Google Play
Best for: hands-free help and smart-home routines
Google Assistant is the clearest choice for voice-first tasks: commands can help with multitasking, and smart-home integration and customizable routines add practical automation. Its support for multiple languages also makes it useful across different language preferences.
Compared with ChatGPT and Perplexity, it is less suited to extended creative or research-style conversations. Most features require internet access, and responses can be inaccurate; voice data privacy and compatibility may also be considerations.
- Price
- Free
- Platforms
- Android, iOS
- Age rating
- Everyone
Cons
- Less suited to creative, open-ended conversation
- Most features need internet access
ChatGPT
by OpenAI
4.8 out of 5 on Google Play
Best for: creative writing and flexible conversations
ChatGPT is the most versatile conversational option of the three for generating creative content, answering questions, and adapting to different requests. It has the highest Google Play rating of these apps at 4.8, from 66,117,409 ratings.
Unlike Google Assistant, it is not centered on voice control or smart-home automation; unlike Perplexity, it is not positioned primarily around trusted answers. It can make mistakes, needs internet for full functionality, and Google Play says it collects several types of user and app data.
- Price
- Free
- Platforms
- Android, iOS
- Age rating
- Teen
Pros
- Creative content generation
- Flexible conversational help
- Highest Google Play rating among the three
Cons
- Can give incorrect or irrelevant answers
- Google Play declares collection of several user-data categories
Perplexity - Ask Anything
by PerplexityAI
4.6 out of 5 on Google Play
Best for: quick answers across a wide range of topics
Perplexity is the most directly focused on finding answers to questions, with coverage across diverse topics and a user-friendly interface. Its 4.6 Google Play rating is higher than Google Assistant’s 3.9, while its free download contains no ads.
It offers less emphasis on creative generation than ChatGPT and lacks Google Assistant’s smart-home routines and voice-command focus. It requires internet access, answers can sometimes be wrong, and customization is limited.
- Price
- Free
- Platforms
- Android, iOS
- Age rating
- Teen
Pros
- Focused on answering questions
- Covers diverse topics
- Free download with no ads
Cons
- Less focused on creative generation than ChatGPT
- Requires internet and offers limited customization
Which one should you pick?
Google Assistant
Best for voice control and smart homes
ChatGPT
Best for creative conversations
Perplexity - Ask Anything
Best for finding answers
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FAQ
Which app has the highest Google Play rating?
ChatGPT has the highest rating of the three at 4.8, compared with Perplexity at 4.6 and Google Assistant at 3.9.
Which app is best for controlling smart-home devices?
Google Assistant is the clearest fit because it supports smart-home control and customizable routines.
Which app should I choose for creative writing?
ChatGPT is the strongest fit for generating creative content and handling varied conversational requests.
Which app is free of ads?
Google Assistant and Perplexity are marked as containing no ads. ChatGPT is marked as containing ads.
Mobexer compares apps independently. We don't make, own or distribute any of these apps and have no affiliation with their developers, Google or Apple. Names, icons and trademarks belong to their owners; store details and prices are shown for reference and can change.