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Mocko.ai not good for TEF preparation. ⚠️ Broken AI Service & No Customer Support [Update: I successfully got all my money back via bank dispute.] I spent $202.72 on Mocko.ai(purchased in Dec, 2025) for TEF preparation, and it is a total failure. The AI is broken — it marks correct answers as "Wrong" even when they match the audio perfectly. The product does not do what it promises. My Evidence (Screenshots: https://drive.google.com/drive/folders/1GgneM32b3BEMZd7P82tjxnYgDwV37N2_?usp=sharing): 1. 100% Error Rate: I did 5 random tests. Each time, I answered only the first listening question, recorded the audio, took a screenshot then went to result. Every single time, the AI marked my correct answer as "Wrong." 2. Unable to review any listening question in mock exam: The review page crashed with a coding error: "Something went wrong while showing your report. examContext.Provider is missing!" 3. No Correct Answers Provided: In the listening mock exam, the system flags your answers as "Wrong" but doesn't tell you the correct answers. 4. Inaccurate Grading: I recorded a full listening test in mock exam and converted the audio to text. The AI claimed I got 29 wrong (especially a weird pattern from Q3 to Q14). I compared these with ChatGPT and Gemini, and both confirmed that my answers should be 29 correct and 11 wrong.

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