
특화 강점Cross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
특화 강점Cross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
OETStudy는 월간 방문 4,738, 전월 대비 성장률 +264.2%, 무료 가격 모델을 기록합니다. ZeroGPT는 월간 방문 32,864,541, 성장률 +19.7%, 무료+유료, 유료 가격 모델을 기록합니다.

OETStudy is a free practice platform for the Duolingo English Test. It offers a large bank of exam-style questions, AI-powered scoring for speaking and writing tasks, CEFR vocabulary checks, and progress analytics to help learners target a higher score.
| 항목 / 지표 | ![]() | |
|---|---|---|
| 공식 도메인 | oetstudy.com | zerogpt.com |
| 가격 모델 | 무료 | 무료+유료, 유료 |
| 월간 방문 수 | 4.74천 (4,738) | 3286.45만 (32,864,541) |
| 전월 대비 트래픽 변화량 | +3.44천 (+264.2%) | +541.1만 (+19.7%) |
| 주요 시장 및 점유율 | 🇺🇸 미국 (100%) | 🇺🇸 미국 (43%) |
| 월 직접 방문 수 | 1.54천 | 822만 |
| 사용자 평점 | 4.4 | 3.8 |
| 지원 플랫폼 | 웹사이트 | 웹사이트 |

OETStudy is a free practice platform for the Duolingo English Test. It offers a large bank of exam-style questions, AI-powered scoring for speaking and writing tasks, CEFR vocabulary checks, and progress analytics to help learners target a higher score.
A large bank of DET-style items spanning speaking, writing, listening, and reading, graded by difficulty so you can practise at the level you need.
Speaking and writing submissions are scored automatically, evaluating pronunciation, fluency, grammar, and content structure with suggestions for improvement.
Check your vocabulary level against CEFR bands and build word lists clustered around the question types you practise most.
Practice statistics and score analysis highlight weak areas and show how your performance changes over time.
ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.
Paste up to 15,000 characters or upload a file and get a highlighted breakdown of which sentences appear AI-written, plus an overall percentage score and a downloadable PDF report.
Beyond text, ZeroGPT offers an AI image detector and an AI video detector that performs frame-level analysis to flag generated or manipulated visuals.
Compare your text against billions of sources through the plagiarism checker, or rewrite and humanize AI text with the paraphraser and AI humanizer while keeping the original meaning.
A bundled writing suite covers summarization, grammar and spelling correction, translation across many languages, a dictionary, word and character counting, citation generation, and an AI email writer.

특화 강점Cross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
특화 강점Cross-platform writing assistant focused on real-time grammar and tone correction rather than AI content detection.
특화 강점Popular paraphrasing assistant focused on rewriting and grammar correction, but lacks dedicated AI detection scanners.
특화 강점Popular paraphrasing assistant focused on rewriting and grammar correction, but lacks dedicated AI detection scanners.
교육계에서 신뢰받는 업계 표준 AI 탐지 도구로, ZeroGPT와 유사한 강력한 문장별 분석을 제공합니다.

특화 강점Academic editing platform pairing AI plagiarism detection with professional human proofreaders for student papers.
특화 강점Academic editing platform pairing AI plagiarism detection with professional human proofreaders for student papers.
신뢰할 수 있는 AI 감지 기능과 고급 텍스트 휴머니제이션 도구를 결합하여 기계 생성 콘텐츠를 자연스럽게 재작성합니다.
신뢰할 수 있는 AI 감지 기능과 고급 텍스트 휴머니제이션 도구를 결합하여 기계 생성 콘텐츠를 자연스럽게 재작성합니다.

여러 언어로 AI 텍스트, 이미지, 소스 코드를 감지하는 기업용 콘텐츠 검증 스위트입니다.
PTE Academic·PTE Core를 무료로 연습하고 말하기·쓰기는 AI 채점

디지털 퍼블리셔를 위해 정밀한 AI 감지 및 표절 검사에 특화된 종합 콘텐츠 무결성 플랫폼입니다.
디지털 퍼블리셔를 위해 정밀한 AI 감지 및 표절 검사에 특화된 종합 콘텐츠 무결성 플랫폼입니다.
Prep Edu is an online language-learning and exam-preparation platform combining structured IELTS, TOEIC and HSK courses with AI-powered practice. Its Prep AI Virtual Speaking Room and Virtual Writing Room simulate real exam conditions and return feedback on grammar, pronunciation, vocabulary, ideas and logic, while the Teacher Bee AI companion offers round-the-clock guidance. Learners get a personalised roadmap, mock tests, progress tracking and mobile access for studying at home.
Prep Edu is an online language-learning and exam-preparation platform combining structured IELTS, TOEIC and HSK courses with AI-powered practice. Its Prep AI Virtual Speaking Room and Virtual Writing Room simulate real exam conditions and return feedback on grammar, pronunciation, vocabulary, ideas and logic, while the Teacher Bee AI companion offers round-the-clock guidance. Learners get a personalised roadmap, mock tests, progress tracking and mobile access for studying at home.
문장별 상세 점수와 글쓰기 무결성 도구를 제공하는 다국어 AI 콘텐츠 감지 플랫폼입니다.