We've compared 2 tools across pricing, features, ratings, and reviews to help you make an informed decision. No paid placements — just facts.
Compare different tools →| Feature |  DET Practice AI Writing & Content |  Teachable Productivity & Automation |
|---|---|---|
| Rating | No reviews yet | No reviews yet |
| Pricing | — | $59/mo as of Sep 3, 2026 |
| Pricing Model | Freemium | Freemium |
| Free Plan | ||
| Free Trial | Yes | 14 days |
| API Available |
| Verified | Verified |
| Founded | — | 2014 |
| HQ | London, United Kingdom | New York, NY |
| Team Size | — | 201-500 |
| Platforms | — | Web |
| Top Integrations | Google (sign-in)Duolingo English Test | StripePayPalConvertKitMailchimp+1 more |
| Key Features |
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| Description | DET Practice is a Duolingo English Test (DET) preparation platform and official Platinum Partner offering 18,000+ practice questions, full-length adaptive mock tests, AI scoring, and AI writing/speaking correction. It's built for students and ESL learners preparing to take the DET who want realistic exam simulation and detailed, section-by-section feedback. Its main differentiator is combining the largest DET-focused question bank with AI-scored mock tests and exclusive perks like free 24-hour DET scoring and a 10% test-fee discount. | Teachable is the all-in-one platform that empowers creators to build, market, and sell online courses, coaching, and digital downloads. Used by 100,000+ creators including New York Times bestselling authors and Fortune 500 trainers. |
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