Shortlist by what you need
Start here if you know why you are leaving KnowBuddy.ai.
Want the closest match?
Shmooz AIMost similar to KnowBuddy.ai in what it does, its category and its price.
Visit (opens Shmooz AI in a new tab)Need a free plan?
AutoResponder.aiHas a free plan, rated 4.0 out of 5. KnowBuddy.ai has none.
Visit (opens AutoResponder.ai in a new tab)Want the lowest price?
Chatmate AIFrom $9.9/mo, the lowest starting price here.
Visit (opens Chatmate AI in a new tab)Want the best rated?
MobileGPTRated 3.5 out of 5 in our review, against 3.1 for KnowBuddy.ai.
Visit (opens MobileGPT in a new tab)
At a glance
Green means better than KnowBuddy.ai, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 KnowBuddy.aiBaseline | 3.1 | Not listed | No | AI without the faff - text it on WhatsApp like a friend, no app download or password. It remembers what matters to you and can reach out first when something's worth knowing. | |
| Shmooz AI | 3.2+0.1 | $3.99/mo | No | One AI assistant across WhatsApp, Telegram, and web - chat, generate images with Flux, make short video clips, summarize PDFs, and transcribe voice notes, no app download required. | vs KnowBuddy.ai |
| Chatmate AI | 2.9−0.2 | $9.9/mo | YesKnowBuddy.ai has none | AI companions with simulated personalities to chat, voice call, and generate photos with - free tier included, Premium at $9.90/month. | vs KnowBuddy.ai |
 WhatGPT | 3.0−0.1 | Free | YesKnowBuddy.ai has none | ChatGPT, built into WhatsApp - ask a question, get a concise answer, no login expiration, no app to install, start chatting immediately. | vs KnowBuddy.ai |
 WhatsGPT | 3.0−0.1 | Free | YesKnowBuddy.ai has none | GPT-powered chat, voice, and image support across WhatsApp, Telegram, and Messenger - answer customer questions, draft contracts, and generate reports, no app download required. | vs KnowBuddy.ai |
| MobileGPT | 3.5+0.4 | Free | YesKnowBuddy.ai has none | AI assistant built into WhatsApp, no app download or account needed - send a photo and it reads the label, or hand off an actual task: Smart Agents send the email, book the calendar slot, post to LinkedIn. | vs KnowBuddy.ai |
| AutoResponder.ai | 4.0+0.9 | $3.33/mo | YesKnowBuddy.ai has none | An Android app sends automatic, rule-based replies across WhatsApp, Messenger, Instagram, Telegram, and other messengers. | vs KnowBuddy.ai |
The alternatives in detail
In order of how closely each one matches KnowBuddy.ai.
Shmooz AI
3.2$3.99/mo
vs KnowBuddy.ai+0.1
One AI assistant across WhatsApp, Telegram, and web - chat, generate images with Flux, make short video clips, summarize PDFs, and transcribe voice notes, no app download required.
- Works natively in WhatsApp and Telegram, no app download
- Multi-model access - OpenAI's ChatGPT, Claude, and more
- Flux-powered text-to-image generation
Genuinely multi-modal - text, image, video, and audio in one assistant
No free tier - $3.99/month minimum to start
Chatmate AI
2.9$9.9/mo
vs KnowBuddy.ai−0.2Free plan
AI companions with simulated personalities to chat, voice call, and generate photos with - free tier included, Premium at $9.90/month.
- AI companions ("mates") with simulated personalities and emotional framing
- Text chat and voice chat (English) with your companion
- Photo generation of your AI companion
Free tier available to try before subscribing
Free tier is tightly capped (50 messages/3 photos per week)
WhatGPT
3.0Free
vs KnowBuddy.ai−0.1Free plan
ChatGPT, built into WhatsApp - ask a question, get a concise answer, no login expiration, no app to install, start chatting immediately.
- ChatGPT-powered assistant built directly into WhatsApp
- Concise, conversational responses optimized for messaging
- Quick reply suggestions to minimize typing
Genuinely frictionless entry - no signup or app install
Free tier is quite limited - just 5 messages monthly
WhatsGPT
3.0Free
vs KnowBuddy.ai−0.1Free plan
GPT-powered chat, voice, and image support across WhatsApp, Telegram, and Messenger - answer customer questions, draft contracts, and generate reports, no app download required.
- GPT-powered chat across WhatsApp, Telegram, and Messenger
- Voice message and image support
- Multi-language audio messaging
Works inside messaging apps people already have installed
Specific pricing isn't detailed on the page
MobileGPT
3.5Free
vs KnowBuddy.ai+0.4Free plan
AI assistant built into WhatsApp, no app download or account needed - send a photo and it reads the label, or hand off an actual task: Smart Agents send the email, book the calendar slot, post to LinkedIn.
- GPT-powered AI assistant built directly into WhatsApp
- Image recognition and image generation
- Smart Agents - email, calendar, and social media posting taken as real actions
No separate app download or account creation required
Specific paid-plan pricing isn't published
AutoResponder.ai
4.0$3.33/mo
vs KnowBuddy.ai+0.9Free plan
An Android app sends automatic, rule-based replies across WhatsApp, Messenger, Instagram, Telegram, and other messengers.
- Automatic replies across WhatsApp, Messenger, Instagram, Telegram, Signal, and Viber
- Unlimited custom rules matching incoming messages to specific automated responses
- ChatGPT, Gemini, and Dialogflow integration for AI-generated replies instead of static text
Broad messenger coverage (six platforms) in one app instead of separate tools per platform
Android-only, no iOS version, which rules out a large share of business users
FAQ
Questions people ask
Is KnowBuddy.ai free?
KnowBuddy.ai does not list a free plan. Check its pricing page for current plans.
What is the best free alternative to KnowBuddy.ai?
AutoResponder.ai is the highest-rated alternative here with a free plan (4.0 out of 5). Other free options: MobileGPT, WhatGPT, WhatsGPT.
What is the cheapest alternative to KnowBuddy.ai?
Among paid plans, AutoResponder.ai has the lowest starting price (from $3.33/mo). If you need it free, start with AutoResponder.ai.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.