Case Study - An adaptive English level test built for Spanish speakers
Inglexam is our own product: it estimates your English level from A1 to C2 and explains your mistakes in Spanish.
- Client
- Inglexam
- Year
- Service
- Own product · Product design, Web, Content
- Problem
- Most English level tests return just a label (A2, B1, C1) without saying what to practise, and ignore the typical mistakes of Spanish speakers.
- Our role
- Our own product: we design, build and run it.
- What we built
- Adaptive test that gets harder or easier based on the answers
- A1 to C2 result explained in Spanish, by level and skill
- Level guides to keep practising
- Runs on ALLIE, our adaptive assessment engine
- Stack
- ALLIE
- PostgreSQL
- React
- Hono
- Vercel
- Fly.io
- Result
- Since October 7, 2026, 112 people have visited and completed 49 tests (PostHog).
- Link