# 노답노트 > Solve math problems with just one photo! An AI-powered tutoring app for elementary, middle, high school, and CSAT math that explains step-by-step. Automatic generation of similar problems. Canonical page: [https://chrome-stats.com/d/com.ycse.nodoubtnote](https://chrome-stats.com/d/com.ycse.nodoubtnote) ## Overview - **ID:** `com.ycse.nodoubtnote` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** YES.DEV - **Category:** EDUCATION - **Downloads:** 41 - **Version:** 1.1.9 - **Last updated:** 2026-08-27 - **First published:** 2026-01-15 - **Publisher country:** KR - **Size:** 36 MB - **Data as of:** 2026-09-10 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.ycse.nodoubtnote) - **Website:** [https://nodoubtnote.com](https://nodoubtnote.com/) - **Privacy policy:** [https://nodoubtnote.com/privacy.html](https://nodoubtnote.com/privacy.html) ## Description Solving math problems with just a single photo.

Nodap Note is a math problem-solving app where AI recognizes math problems via photos and kindly explains the step-by-step solution process. From elementary school students to middle schoolers, high schoolers, and even those preparing for the CSAT—just take a picture and upload it, and an AI math tutor will be by your side 24/7.

The AI, trained with truly high-quality problems, operates solely for your high CSAT score.

It doesn't matter if you are an elementary, middle, or high school student.

We will make sure you see the light on your CSAT day.

[Key Features]

■ AI Photo Solving - Take a picture of a math problem, and it will automatically recognize and start solving it.

■ Step-by-Step Solution - Explains everything step-by-step, from deriving the equation to the correct answer.

■ AI Chat Tutoring - Ask questions immediately about what you don't understand, and the AI ​​will provide an instant response.

■ Automatic Generation of Similar Problems - Repetitive learning with practice problems of similar types.

■ Weakness Analysis - The AI ​​pinpoints areas where you frequently get things wrong.

■ Formula & Graph Rendering - Neatly renders LaTeX formulas and geometric graphs.

[Recommended for These Students]

· Elementary, middle, and high school students who feel overwhelmed by the math problem-solving process.

· Students who frequently get stuck while studying alone.

· Students who need more practice problems and similar problems.

· High school students who want to master both CSAT math and school math.

· Students who want to strengthen their math skills every day with an AI math tutor.

[Supported Grades]

Elementary school lower and upper grades, middle school, and all high school grades. ## Rankings - #2,329,781 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.CAMERA` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_EXTERNAL_STORAGE` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.RECORD_AUDIO` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.anddoes.launcher.permission.UPDATE_COUNT` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.google.android.providers.gsf.permission.READ_GSERVICES` - `com.hihonor.android.launcher.permission.CHANGE_BADGE` - `com.hihonor.android.launcher.permission.READ_SETTINGS` - `com.hihonor.android.launcher.permission.WRITE_SETTINGS` - `com.htc.launcher.permission.READ_SETTINGS` - `com.htc.launcher.permission.UPDATE_SHORTCUT` - `com.huawei.android.launcher.permission.CHANGE_BADGE` - `com.huawei.android.launcher.permission.READ_SETTINGS` - `com.huawei.android.launcher.permission.WRITE_SETTINGS` - `com.majeur.launcher.permission.UPDATE_BADGE` - `com.sec.android.provider.badge.permission.READ` - `com.sec.android.provider.badge.permission.WRITE` - `com.sonyericsson.home.permission.BROADCAST_BADGE` - `com.sonymobile.home.permission.PROVIDER_INSERT_BADGE` - `com.vivo.notification.permission.BADGE_ICON` - `com.ycse.nodoubtnote.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Math AI Photo Solver](https://chrome-stats.com/d/com.ai.mathscanai) — 1,915 users - [Math AI: Homework Solver](https://chrome-stats.com/d/com.productshake.mathid) — 4 users - [Math Homework & Quiz Solver AI](https://chrome-stats.com/d/com.gistdev.mathsolver) — 36 users - [Math Solver - AI Tutor](https://chrome-stats.com/d/com.aitutormath.mathsolver.homeworkhelper) — 5,406 users - [MathPad](https://chrome-stats.com/d/ai.mathpad.twa) — 63 users - [Math Solver:AI Homework Helper](https://chrome-stats.com/d/org.aigeeks.mathsolver) — 4,060 users - [Ai Math Solver](https://chrome-stats.com/d/com.solveraimath.appid) — 29 users - [AI Math: Math Problem Solver](https://chrome-stats.com/d/com.tbraimath.cameramathsolver.aimath.aiphotomath) — 11,857 users - [AI Math Problem Solver](https://chrome-stats.com/d/com.umair.mathsolver) — 377 users - [Math AI - Homework Solver](https://chrome-stats.com/d/com.yaroslav12.mathAI) — 36 users - [Solveon: AI Math Solver App](https://chrome-stats.com/d/com.math.ai.ai.math.app) — 12,296 users - [MathSolver - Easy Math](https://chrome-stats.com/d/com.pitowai.mathproblemsolver) — 59 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.ycse.nodoubtnote)