Comparison

Fast AI vs Robochat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fast AI

This AI chatbot offers personalized conversations and instant assistance using advanced natural language processing. Powered by ChatGPT, it can help with daily tasks, answer questions, provide writing assistance, and engage in conversations.

Highlights
  • AI-powered conversations
  • Instant assistance
  • Natural language processing
  • Writing help
  • Text completion
  • Powered by ChatGPT
Features
Read full description

Introducing Fast.ai, a revolutionary AI chatbot that provides personalized conversations and instant assistance at your fingertips. With its advanced natural language processing capabilities, our chatbot can understand your queries and respond with relevant and accurate information. POWERED BY CHATGPT Fast.ai is powered by the advanced ChatGPT (GPT 3.5 Turbo, GPT4 with Fast.ai PRO), offering you advanced AI to deliver any powered search, text completion, conversation, writing help, and many powerful AI features. ASK ANYTHING Whether you need help with daily tasks, have a question, need help for problem, or simply want to chat, our chatbot is always ready to assist you. Say goodbye to waiting on hold or searching for information online, and say hello to our chatbot iOS app - your new personal assistant. HAVE A CHAT Fast.ai uses cutting-edge AI technology to understand and respond to a wide range of topics and conversations. EASY TO USE The app is easy to use: simply enter your question or your sentence in the chat. Fast.ai's intuitive interface ensures a seamless and enjoyable experience. Any question or comment? Contact us: contact@advenworks.com Terms of Use: https://advenworks.com/terms-of-use/?game=Fast.ai Privacy Policy: https://advenworks.com/privacy-policy-sub/?game=Fast.ai

About

Robochat

Engage in real-time conversations with advanced AI. This app provides interactive dialogue, speech-to-text, and text-to-speech functionalities. Access your chat history and customize API requests for a personalized AI experience.

Highlights
  • Interactive AI dialogue
  • Conversation history
  • Speech-to-text
  • Text-to-speech
  • Customizable API requests
  • Message sharing
Features
Read full description

Robochat - is an iOS app for exploring the limitless possibilities of artificial intelligence. With easy access to the world's most advanced AI API, Robochat offers a smooth and engaging chat experience that will leave you amazed. * To get started with the app, you'll need to grab an OpenAI API Key. Don't worry, it's super easy and we're here to help you every step of the way! * Key features include interactive AI dialogue, where you can chat in real-time with artificial intelligence and receive instant responses to your questions, advice, and ideas, or simply engage in entertaining conversations. You can also retrieve all your past conversations with the AI and consult them at any time with the conversation history feature. Our app offers effortless speech-to-text and text-to-speech functionalities that are user-friendly. Our app provides a conversational context, allowing you to pick up right where you left off in your previous chat To use the app, simply enter your API key and start chatting. Thanks to the built-in settings, customize the API requests according to your preferences and needs. Easily share messages received from the AI with your friends, family, or colleagues via social media, SMS, or email with the message-sharing feature. Robochat does not take responsibility for user-generated content and does not store any user data. Check out our general conditions of use and privacy at [Privacy Policy](https://rotemd2.sg-host.com/privacy-policy/)

Screenshots

Fast AI4 screens
Robochat4 screens

Verdict

The call

The clearest difference is price: Fast AI at Free against Robochat's $1.99. Fast AI also leads on ratings volume (3 vs 1). Robochat's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 1). On update cadence, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Fast AI is free to download; Robochat costs $1.99 up front. Fast AI sells 1 in-app purchase, starting at $5.99 per 7 days. Robochat asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Robochat holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

Fast AI ships an update every 2 weeks, Robochat weekly. The most recent releases landed on June 1, 2026 and August 12, 2026 respectively.

Scorecard7 real differences · 4 level
Fast AI versus Robochat: the parameters behind the verdict, then further details
ParameterFast AIRobochat
PriceFree — better$1.99
Rating3.0 (3 ratings)5.0 (1 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings3 — better1
Update frequencyEvery 2 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#198 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size150 MB15 MB
Age rating4+17+
DeveloperAdvenworks Ltd.Rotem Doron

Customer experience

Fast AI

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%

Robochat

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

1 purchases

Fast AI

Subscriptions1
  • Fast.ai Pro3 Days trial$5.997 Days
None

Robochat

No in-app purchases

Questions

Is Fast AI free?
Fast AI is free to download, with in-app purchases available.
Is Robochat free?
Robochat costs $1.99, with no in-app purchases.
Which has better reviews, Fast AI or Robochat?
Robochat is rated higher. Fast AI averages 3.0 out of 5 from 3 ratings, while Robochat averages 5.0 from 1 ratings.
Do Fast AI or Robochat have ads?
Fast AI shows ads; Robochat does not.
Which is updated more often, Fast AI or Robochat?
Fast AI ships an update every 2 weeks, and Robochat weekly. Most recently, Fast AI was updated on June 1, 2026 and Robochat on August 12, 2026.

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