v1.0 — AI Fact Checker for Bangladesh

SONDHAN

Real-time AI-powered fact checking. Paste a URL, upload a screenshot, or type a claim — Sondhan searches the web and tells you the truth in seconds.

Download APK — Free See how it works →
GPT-4o
Fact Engine
3
Input Methods
100%
Free to Use
What is Sondhan

Stop believing.
Start verifying.

Sondhan is a real-time AI fact-checking app built for the age of misinformation. In seconds, it tells you whether a claim is TRUE, FALSE, or MISLEADING — with evidence, sources, and a confidence percentage.

Social media is full of fake news, misleading headlines, and viral misinformation. Sondhan gives every person the power of a fact-checking team in their pocket.

Powered by OpenAI's GPT-4o and Google's Gemini AI, Sondhan searches the web, cross-checks multiple sources, and gives you a clear, honest verdict — every time.

Fact-checks any claim in under 10 seconds
Works with URLs, screenshots, and pasted text
Shows real sources you can verify yourself
Built-in AI chatbot for deeper discussions
Features

Everything you need
to fight misinformation.

URL Fact Check

Paste any link — news articles, blog posts, Facebook URLs, Reddit threads. Sondhan reads the content and verifies it.

Auto Scraping

Screenshot Check

Upload a screenshot from any app. Sondhan reads the text using AI vision and fact-checks it automatically.

OCR + AI Vision

Text Check

Copy and paste any claim, headline, or statement. Sondhan searches the web and cross-checks it against reliable sources.

Instant Verify

Confidence Score

Every result includes a confidence percentage — so you know exactly how certain the AI is about the verdict.

GPT-4o Powered

AI Summary

One tap generates a clear 10-sentence summary of the full fact-check context, written in plain language.

10 Sentences

Sondhan AI Chat

Talk to Sondhan AI directly. It already knows your search context and answers follow-up questions intelligently.

Gemini Powered
Verdicts

Three possible verdicts.
Always with evidence.

Every fact-check ends with a clear verdict backed by real sources from across the web.

TRUE

The claim is verified by multiple reliable sources. The information checks out.

88%
FALSE

The claim contradicts verified information from credible sources. It is misinformation.

94%
MISLEADING

The claim contains some truth but is framed in a way that creates a false impression.

71%
How It Works

From claim to verdict
in seconds.

Submit your content

Open Sondhan and choose your input method. Paste a URL, upload a screenshot, or type the claim directly into the text box.

🔗 URL 🖼️ Image 📝 Text

AI extracts the claim

For URLs, Sondhan visits the page and reads it. For images, GPT-4o Vision extracts all visible text. For text, it goes directly to verification.

Web search & cross-check

GPT-4o searches the web for evidence, visits reliable sources, and cross-checks the claim against verified information from multiple outlets.

Verdict is delivered

You receive a clear TRUE / FALSE / MISLEADING verdict with a confidence percentage and a list of clickable sources to verify yourself.

Summarize or chat

Tap Get Summary for a 10-sentence breakdown, or open the Sondhan AI chatbot to ask follow-up questions with full search context.

How to use Sondhan.

Step-by-step guide for first-time users.

1
Download and Install

Click the Download APK button. Open the downloaded file on your Android phone and tap Install. Allow unknown sources if prompted.

2
Create Your Account

Open Sondhan and tap Create Account. Enter your name, email, and password. Your account stores fact-check history privately.

3
Choose Input Method

On the home screen, choose the URL, Image, or Text tab depending on how you found the claim you want to check.

4
Paste URL or Upload Image

For URL: copy and paste the link. For Image: select a screenshot from your gallery. For Text: type or paste the claim directly.

5
Tap Fact Check

Hit the blue Fact Check button. Wait 5–10 seconds while Sondhan searches the web. The result appears automatically.

6
Read the Verdict

You'll see TRUE, FALSE, or MISLEADING with a confidence percentage. Scroll to see sources. Tap any source to open it in your browser.

7
Get Summary or Chat with Sondhan AI

Tap Get Summary for a clear 10-sentence breakdown of the full fact-check. Or tap Chat with Sondhan to open the AI chatbot — it already knows everything about your search and answers any follow-up questions about the claim, the sources, or the context.

8
View Your History Anytime

Tap the History tab at the bottom to see all past fact-checks organized by type — URL, Image, and Text checks. Tap any card for full details, or tap Re-check to verify it again with fresh results.

Built with the best AI.

GPT-4o
Fact Checking + Images
Gemini AI
Sondhan Chatbot
Apify
Facebook Scraping
Firebase
Auth + Database
Download Now

STOP SCROLLING.
START CHECKING.

Download Sondhan for free. Install directly on your Android device. No Play Store needed.

Download Sondhan APK — Free
Android 8.0+ required ~15 MB No account needed to download
Download APK