Learn to code free with hands-on lessons and instant playgrounds
lingoXpress records 9,658 monthly visits with -68% month-over-month growth and Free pricing. Prep Edu records 1,414,975 monthly visits with -19.8% growth and Paid pricing.

Language learning for exotic, rare, and constructed languages
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | lingoxpress.com | prepedu.com |
| Pricing Model | Free | Paid |
| Monthly Visits | 9.66K (9,658) | 1.41M (1,414,975) |
| MoM Traffic Delta | -20.57K (-68%) | -349.68K (-19.8%) |
| Primary Market & Share | 🇺🇸 United States (69.7%) | 🇻🇳 Vietnam (78%) |
| Direct Visits / mo | 3.21K | 479.07K |
| User Rating | 3.8 | 4.1 |
| Supported Platforms | Website | Website |

Language learning for exotic, rare, and constructed languages
Study languages that mainstream platforms skip, from lesser-known living tongues to extinct and constructed ones.
Work through vocabulary and phrase material at your own speed with no fixed class schedule.
Structured word lists and drills help you build a foundation in languages with limited learning resources.
A free daily email subscription delivers new vocabulary so you keep in touch with the language between sessions.
Study smarter for IELTS, TOEIC and HSK with AI speaking and writing rooms
Rehearse exam-style speaking tasks with AI scoring and multi-layer feedback covering grammar, pronunciation, fluency, vocabulary and how well your ideas are organised.
Submit written answers and receive automated scoring with suggestions on structure, vocabulary range and accuracy to raise your band score.
A companion that answers questions, walks through difficult tasks and keeps learners motivated between lessons.
Structured IELTS, TOEIC and HSK programmes, a PrepTalk English speaking course, entry tests and mock exams that mirror the real format.
Learn to code free with hands-on lessons and instant playgrounds
Focuses heavily on PTE and IELTS exam practice with robust AI scoring, similar to Prep Edu's test rooms.
Focuses heavily on PTE and IELTS exam practice with robust AI scoring, similar to Prep Edu's test rooms.
SpecialistAI English speaking coach with instant pronunciation feedback

Provides online exam prep and instant AI scoring for PTE and IELTS, but with a simpler course structure.
Provides online exam prep and instant AI scoring for PTE and IELTS, but with a simpler course structure.

SpecialistLearn a new language by talking to lifelike AI tutors
SpecialistLearn a new language by talking to lifelike AI tutors

AI-powered adaptive math and coding practice for kids aged 4–14
Delivers automated AI scoring for major English proficiency exams, though less focused on structured video lessons than Prep.
Delivers automated AI scoring for major English proficiency exams, though less focused on structured video lessons than Prep.

SpecialistSpeak a new language from day one with human-like AI and expert human tutors
SpecialistSpeak a new language from day one with human-like AI and expert human tutors
Offers excellent AI speaking coaching for IELTS, but lacks the comprehensive written course library found in Prep.
Offers excellent AI speaking coaching for IELTS, but lacks the comprehensive written course library found in Prep.
Specializes specifically in Duolingo English Test preparation with adaptive mock exams, whereas Prep covers multiple exams.
Specializes specifically in Duolingo English Test preparation with adaptive mock exams, whereas Prep covers multiple exams.

Speak a new language out loud with AI tutors and instant feedback
Speak a new language out loud with AI tutors and instant feedback
Your personal AI tutor — generate a course on anything in seconds
Your personal AI tutor — generate a course on anything in seconds