What is Doubtnut App?
Doubtnut (often typed as doubt nut or doutnut) is one of India's most used free doubt-solving apps for school and entrance exam students. Created by Doubtnut and now associated with Allen Career Institute, the Doubtnut app helps students who cannot afford full-time coaching in Kota or big cities. Stuck on a Class 10 maths problem at night, an NCERT physics numerical, or a JEE practice question? Doubtnut gives you help through your phone camera — no long wait for replies.
How it works: open the app, take a photo of a printed or handwritten question, and within seconds you get a step-by-step video solution from a teacher. You do not need to type complex equations or post in WhatsApp groups. That is why students in Tier 2 and Tier 3 cities — studying in Hindi or English medium on everyday Android phones — rely on it daily.
Doubtnut covers Maths, Physics, Chemistry, and Biology from Class 6 to 12, plus IIT JEE (JEE Main and JEE Advanced), NEET UG, NDA, CUET, and many state boards. Hindi and English solutions are available. The basic version stays free: scan doubts, watch videos, and use NCERT solutions without payment.
Searching is Doubtnut free? Yes — daily doubt solving and NCERT videos are free. Premium (from about ₹199/month) adds more live classes, test series, and PDF notes, but homework and board revision are possible on the free plan. Need a working Doubtnut app download? Some sites show broken links; this guide gives clear Google Play and APK steps for version 7.10.51.
Before apps like this, many students waited hours for teacher replies or paid for every small doubt. Today, a Class 10 student in Patna can fix trigonometry at 10 PM, a NEET aspirant in Coimbatore can clear a biology diagram before a test, and a JEE student in Jaipur can learn how to solve a tough integral — without leaving home. Doubtnut is popular during CBSE boards, JEE Main, and NEET season for quick revision of NCERT, exemplar, and coaching questions — you learn the method, not just the final answer.
Parents like that basic help costs nothing. Doubtnut does not replace school or coaching, but it fills the gap when doubts come up after class. Compared to other apps, its photo-to-video scan for Indian textbooks remains a major advantage.
How Doubtnut Works — 3 Simple Steps
Most doubts are solved in under 10 seconds after install. New user? Read our step-by-step how-to guide.
1
Open Doubtnut & tap the camera icon
Launch the app from your home screen after download. Sign in with your mobile number — it is free.
2
Take a photo of your question
Hold your phone steady over the textbook or notebook. Works for maths, physics, chemistry, and biology problems.
3
Get instant video solution
Watch an expert teacher explain each step. Pause, rewind, and practice similar questions.
Doubtnut Free vs Premium — What's Different?
Not sure about Doubtnut free vs paid? Here is what you get on each plan:
| Feature | Free Plan | Premium Plan |
| Video Solutions | ✅ Unlimited | ✅ Unlimited |
| NCERT Solutions | ✅ All | ✅ All |
| Live Classes | Limited | ✅ All access |
| PDF Notes | Limited | ✅ All subjects |
| Test Series | Limited | ✅ Full JEE/NEET |
| Doubt Chat | ✅ Yes | ✅ Priority |
| Price | Rs. 0 | Rs. 199/mo+ |
How to Download & Install Doubtnut on Android
- Tap the Download APK button above or visit our download page.
- Go to Settings > Security (or Privacy on newer Android).
- Enable Install Unknown Apps for your browser or file manager.
- Open your Downloads folder.
- Tap the Doubtnut APK file (v7.10.51).
- Tap Install — wait about 15 seconds.
- Open Doubtnut, create a free account, and scan your first question!
💡 Tip: Prefer the easy route? Search "Doubtnut" on Google Play — install in one tap and get updates automatically.
Doubtnut App Screenshots
Preview of the camera scan, video solutions, NCERT library, and exam prep sections inside the app.
Doubtnut vs Other Learning Apps
Many students ask about Doubtnut vs BYJU'S, Physics Wallah, and Vedantu. Here is a simple comparison:
| Feature | Doubtnut | BYJU'S | Physics Wallah | Vedantu |
| Camera Scan | ✅ | ❌ | ❌ | ❌ |
| Free Video Solutions | ✅ | Limited | ✅ | Limited |
| IIT JEE Content | ✅ | ✅ | ✅ | ✅ |
| NEET Content | ✅ | ✅ | ✅ | ✅ |
| Fully Free | ✅ | ❌ | ✅ | ❌ |
| Hindi Medium | ✅ | ✅ | ✅ | Partial |
| Board + JEE + NEET in one app | ✅ | ✅ | ✅ | ✅ |
Who Should Download Doubtnut?
Class 6–8: Build basics in Maths and Science with NCERT video help. Class 9–10: Revise CBSE board topics exercise by exercise. Class 11–12: Balance school syllabus with JEE or NEET prep in the same app.
JEE aspirants can scan questions from RD Sharma, HC Verma, and coaching modules. NEET aspirants should focus on NCERT Biology lines and diagram-based MCQs — videos often explain diagrams better than text. NDA and CUET students get useful Maths support too.
New to the app? Start with how to use Doubtnut for scan tips and offline video help.