PTE Academic・PTE Coreを無料で練習、スピーキングとライティングはAI採点
OETStudy は月間 4,738 訪問、前月比成長率 +264.2%、料金体系無料を記録しています。TOEFL Practice は月間 24,709 訪問、成長率 -45.4%、料金体系フリーミアムを記録しています。

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.

TOEFL Practice is an online platform offering 50+ TOEFL mock tests with AI-powered grading, instant section-level scores, and detailed feedback across Reading, Listening, Speaking, and Writing. It is aligned with the 2026 TOEFL iBT format and includes a guided video course on the Premium tier.
| 項目 / 指標 | ![]() | ![]() |
|---|---|---|
| 公式ドメイン | oetstudy.com | toeflpractice.io |
| 料金モデル | 無料 | フリーミアム |
| 月間訪問数 | 4738 (4,738) | 2.47万 (24,709) |
| 前月比トラフィック増減 | +3437 (+264.2%) | -2.05万 (-45.4%) |
| 主要市場とシェア | 🇺🇸 アメリカ合衆国 (100%) | 🇹🇷 トルコ (19.1%) |
| 月間ダイレクト訪問数 | 1537 | 8547 |
| ユーザー評価 | 4.4 | 4.3 |
| 対応プラットフォーム | ウェブサイト | ウェブサイト |

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.

TOEFL Practice is an online platform offering 50+ TOEFL mock tests with AI-powered grading, instant section-level scores, and detailed feedback across Reading, Listening, Speaking, and Writing. It is aligned with the 2026 TOEFL iBT format and includes a guided video course on the Premium tier.
Speaking and Writing responses are graded automatically, returning section-level scores and specific improvement suggestions in seconds rather than days.
A large practice library covering Reading, Listening, Speaking, and Writing, built to match the official TOEFL iBT format, timing, and difficulty.
Question types and test structure are kept up to date with the revised 2026 TOEFL iBT format so practice matches what test takers will face.
A dashboard tracks results across all four sections over time, making it easy to spot weaker skills and measure improvement.
PTE Academic・PTE Coreを無料で練習、スピーキングとライティングはAI採点
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.
即時フィードバックを返すAIチューターと本物の英会話練習
AI で英語スピーキング練習、CEFR 判定と面接対策まで
AI採点と18,000問以上の問題でDuolingo English Testを突破
ETSルーブリック準拠のAI TOEFLスピーキング採点練習
AIフィードバックで英語スピーキングの自信を育てる