Comparison

ChatBot Smart Assistant vs Knowledge Robo

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

Head to head
About

ChatBot Smart Assistant

Engage in intelligent conversations with an AI companion powered by advanced speech synthesis and ChatGPT integration. Transcribe your voice into text and enjoy context-aware dialogue for a personalized experience.

Highlights
  • Advanced speech synthesis
  • Voice transcription
  • ChatGPT integration
  • Context-aware conversations
  • Personalized voice and speed settings
Features
Read full description

Introducing Evan: AI Bot - your intelligent and interactive virtual companion that utilizes advanced speech synthesis, voice transcription, and seamless integration with ChatGPT. Enjoy the power of artificial intelligence right in your pocket and experience conversations like never before. Please note: The following features are only accessible with a paid subscription. Nevertheless, there is a free trial for evaluation of the app. - Advanced Speech Synthesis: Evan transforms text-to-speech with remarkable clarity and a natural-sounding voice, making conversations with your AI companion truly enjoyable. - Voice Transcription: Speak directly to Evan and watch your words convert to text in real-time, allowing for effortless and engaging conversations. - Seamless Integration with ChatGPT: Evan is powered by the cutting-edge ChatGPT, which enables it to understand context, ask questions, and provide meaningful answers. Engage in deep conversations, gather useful information, or just have fun with your AI friend. - Context-Aware Conversations: Evan retains the context of your discussions, allowing for smooth and coherent exchanges. No need to repeat information, as Evan picks up where you left off, ensuring a more natural and immersive experience. - Personalized Experience: Customize Evan's voice, speech speed, and more to create a truly unique and personalized AI companion. Transform your conversations and elevate your daily life with Evan: AI Bot – your personal AI-powered companion. Download the app today! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Knowledge Robo

This AI-powered assistant uses advanced models to answer questions, generate images, and assist with writing tasks. It supports multiple languages and offers organized conversations for a streamlined user experience.

Highlights
  • AI Chat with GPT and Gemini
  • AI Image Generation
  • Voice Input for AI Responses
  • Organized Conversations
  • Multi-language Support
  • Export and Share Conversations
  • AI Writing Assistance
Read full description

The Knowledge Robo is your personal AI Chat Assistant Powered by GPT and Gemini Models to make your life easier. It can clarify your doubts and provide you solutions in different areas and also generate images based on your inputs using AI. Key Features : ● Unlimited questions and answers ● Create organized conversations ● Enhanced search and management ● AI Chat ● AI Image Generation ● AI Responses with voice input ● Easy Interface ● Multi-language support ● Robo Chat ● Ask Anything You can inquire about anything you like with AI. With The Knowledge Robo, you can get immediate responses to all your questions, whether it's about science, history, pop culture, or general knowledge. You can export your conversations with AI Chat and share them with anyone. The Knowledge Robo AI Chat can help you streamline your writing, from idea generation to full paragraph composition, using its AI-driven writing assistance features. You can unlock your creativity with The Knowledge Robo and pen a rap song, author a poem, or weave a tale. With multilingual functionalities, you can engage in any language and translate texts effortlessly with AI Chat. Whether it's sports, politics, or science, It is always eager to chat about any topic. Its friendly and engaging tone creates an authentic conversation and provides personalized recommendations aligned with your preferences and interests. The Knowledge Robo can inspire out-of-the-box thinking and offer diverse perspectives for brainstorming and problem-solving. Try The knowledge Robo for invaluable career advice, job hunting strategies, and insights into various industries. Stay informed about the latest trends and news with The Knowledge Robo, whether it's tech and devices or fashion and pop culture. You can also enhance your skillset with The knowledge Robo by acquiring new skills or improving existing ones, from programming to culinary arts. Join the future and experience the most sophisticated, free chat assistant available on your device that harnesses the power of AI.

Screenshots

ChatBot Smart Assistant4 screens
Knowledge Robo4 screens

Verdict

The call

The clearest difference is review sentiment: Knowledge Robo at 100% against ChatBot Smart Assistant's 0%. Knowledge Robo also leads on monetization model (free vs free with in-app purchases) and update cadence (weekly vs fortnightly). ChatBot Smart Assistant's advantage is rating (4.0 vs 3.0) and ratings volume (9 vs 2). On price, ads and in-app purchases 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

Both are free to download. ChatBot Smart Assistant sells 3 in-app purchases, starting at $1.99 per 7 days and Knowledge Robo sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ChatBot Smart Assistant holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews complicate that: 0% of ChatBot Smart Assistant's written reviews are positive against 100% of Knowledge Robo's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

ChatBot Smart Assistant ships an update fortnightly, Knowledge Robo weekly. The most recent releases landed on August 27, 2026 and September 15, 2026 respectively.

Scorecard7 real differences · 3 level
ChatBot Smart Assistant versus Knowledge Robo: the parameters behind the verdict, then further details
ParameterChatBot Smart AssistantKnowledge Robo
PriceFreeFree
Rating4.0 (9 ratings) — better3.0 (2 ratings)
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings9 — better2
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.213.0 — better
Further details — not scored
Size23 MB67 MB
Age rating17+17+
DeveloperNicolo StanciuShashi Gupta

Customer experience

ChatBot Smart Assistant

All ratings9 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Knowledge Robo

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

ChatBot Smart Assistant

Subscriptions3
  • Evan AI Pro Weekly$1.997 Days
  • Evan AI Pro Monthly3 Days trial$2.991 Month
  • Evan AI Pro Yearly3 Days trial$22.991 Year
2 purchases

Knowledge Robo

One-time2
  • Coins Basic$0.99
  • Coins Premium$1.99

Questions

Is ChatBot Smart Assistant free?
ChatBot Smart Assistant is free to download, with in-app purchases available.
Is Knowledge Robo free?
Knowledge Robo is free to download, with in-app purchases available.
Which has better reviews, ChatBot Smart Assistant or Knowledge Robo?
ChatBot Smart Assistant is rated higher. ChatBot Smart Assistant averages 4.0 out of 5 from 9 ratings, while Knowledge Robo averages 3.0 from 2 ratings.
Do ChatBot Smart Assistant or Knowledge Robo have ads?
Neither ChatBot Smart Assistant nor Knowledge Robo shows ads.
Which is updated more often, ChatBot Smart Assistant or Knowledge Robo?
ChatBot Smart Assistant ships an update fortnightly, and Knowledge Robo weekly. Most recently, ChatBot Smart Assistant was updated on August 27, 2026 and Knowledge Robo on September 15, 2026.

Other comparisons