Duolingo English Test: Write About The Topic vs Magoosh GMAT Prep

The course is praised for clear, structured explanations of the Write About the Topic task type — covering what the prompt expects, how the scoring rubric works, timing strategies, and common mistakes. Reviewers from the DET preparation community consistently describe the instruction as practical and actionable rather than generic. However, the content is scoped to a single question type in a test that has multiple distinct task formats, and it was last updated in February 2021. The 2024 Duolingo English Test format update introduced Interactive Writing and revised Fill in the Blanks mechanics; those changes are not reflected in this course. For learners focused purely on written production within the pre-2024 DET format, the content quality is high. For a learner preparing holistically for the current test, it covers only one slice of what they need.

Luke Jones carries a verified 4.6/5 instructor rating on Udemy across 22,763 students and 4,613 total ratings spanning his three courses. Learners across multiple sources describe his instructional style as clear, methodical, and easy to follow — he explains the rationale behind every strategy rather than just listing tips. His DET preparation community has helped hundreds of learners, and score-improvement stories tied to his advice (120 overall on a first attempt, scores of 130 and 140 after following his guidance) appear across multiple independent blogs. The instructor is the strongest single asset of this course, and the consistently high aggregate rating across a large student base is a reliable signal of teaching quality.

At Udemy's standard sale pricing (typically $10-15), a 2.5-hour course focused on one DET task type is a reasonable supplementary purchase for a learner who already has a broader study plan. The honest concern is that the course is narrow in scope, has not been updated since 2021, and does not cover the full DET. Learners expecting a complete preparation package at this price are likely to feel shortchanged. As a targeted supplement — bought specifically to sharpen performance on written production tasks — the value-for-money calculus is much more favourable. The 30-day Udemy money-back guarantee provides a safety net, but the gap between the course's actual scope and what many DET learners are searching for is a real value-perception risk.

The course includes model responses and worked examples for Write About the Topic prompts, which reviewers find helpful for understanding the standard to aim for. However, the practice-question bank is limited within a 2.5-hour course, and there are no adaptive mock-test environments, no full DET simulations, and no AI-generated feedback on learner responses. Dedicated DET practice platforms such as DET Ready (detready.com) offer 750,000+ users and AI-scored practice at a different scale. For raw practice volume, this course cannot compete with purpose-built DET drill tools; its value is in the strategy instruction that sits alongside any practice resource, not in providing that practice itself.

Score-improvement outcomes tied to Luke Jones's instruction are consistently positive across sources: learners report achieving 120, 130, and 140 overall DET scores after applying his strategies. One learner specifically attributes a production subscore improvement from 75 to 100 to targeted instruction. A learner passed on their first attempt with 120. These outcomes are credible given the instructor's large following and high aggregate satisfaction. The caveat is that the testimonials cannot be attributed exclusively to this Udemy course versus Jones's YouTube channel, website resources, or other course material — his DET content spans multiple formats. Learners seeking a guaranteed score lift should treat this course as one component of a multi-resource study plan rather than a standalone preparation solution.

Magoosh GMAT Prep covers all three GMAT Focus Edition sections — Quantitative, Verbal, and Data Insights — across 340+ short on-demand video lessons, and the curriculum was rebuilt after the Focus Edition replaced the classic GMAT on February 1, 2024. The Quant content is the standout: GMAT Club reviewers (Aabhash777, BelronMajes, GMATking94) repeatedly praise it for teaching from the basics and deriving formulas "from root level" rather than asking students to memorise. The consistent content weakness is Verbal, which multiple reviewers call "old," in need of "refurbishment," and structurally confusing with no continuity. Data Insights coverage exists but several students wanted more practice volume there given how central DI now is to the Focus Edition. The slideshow-with-voiceover format is instructionally sound but, as Test Prep Insight notes, "lacks production value."

The lessons are anchored by long-time Magoosh GMAT expert Mike McGarry, whose Quant explanations are described as crisp, well-organised, and conceptually grounded. Reviewers on GMAT Club call the videos "clear, concise" and "easy to consume," and students specifically credit the instruction with teaching strategic shortcuts they would not have found alone ("their lessons were phenomenal and they greatly helped me figure out strategic shortcuts"). The format is voiceover-over-slides with no instructor on screen, which several reviewers find effective but visually flat compared to Manhattan Prep or TTP. The Verbal teaching draws the most criticism: GMATking94 said the "Verbal course seems very old and needs refurbishment," a recurring theme that pulls the instructor score below the Quant-only ceiling it would otherwise reach.

Value is Magoosh's single strongest dimension and the near-universal reason reviewers recommend it. Premium GMAT access runs roughly $199 for 6 months or $249 for 12 months — about one-third the price of Kaplan (~$1,000) and Princeton Review (~$800), and a fraction of premium platforms like TTP or e-GMAT. Payment plans start around $54. GMAT Club reviewers repeatedly use the exact phrase "bang for buck," and Test Prep Insight rated the course 9.1/10 calling it "the best bang for your buck in GMAT prep." A 12-month access window, a 4.5-rated mobile app, a free 7-day trial (30+ lessons, 30 questions), and a tiered score guarantee all reinforce that a low price does not signal a thin product. For budget-conscious or first-attempt test-takers, the value case is hard to beat.

The course includes 1,300+ practice questions, each paired with both a text and a video explanation — a genuinely distinctive feature, since most prep companies do not film an explanation for every single problem. A custom practice tool lets students build targeted quizzes by topic and difficulty. The limitations are real and frequently cited. There are only 2 full-length practice tests, and they are generated from the same question pool as the drills, so heavy users hit repeated questions (reviewer whatsarc flagged "repetitive practice questions"). Several students wanted "more questions in quant," more Data Insights items, and additional mocks. Some also found the Verbal questions diverge from real GMAT difficulty (BelronMajes: "Verbal questions differ significantly from actual test"). It is enough to learn on, but most reviewers pair it with the Official Guide and free official mocks.

Magoosh's own review page documents seven student entries with gains of +100 to +250 points, landing final scores of 700–730, with quotes like "over the last few months, Magoosh improved my score from 490 to 710." The company advertises an average improvement of roughly 90 points and backs a tiered guarantee: up to a 70-point increase for baseline scores below 630, 50 points for 640–690, and 10 points for 700+, or your money back. GMAT Club reviewers report concrete gains of +40 to +140 points and final scores from the high-500s (Focus scale) up to 760 (11Karan, +50). The caveat is honest: the strongest gains cluster around Quant, and a minority flagged the in-product score predictor as inaccurate, so the headline averages should be read as outcomes for committed self-studiers, not guarantees for everyone.