Preview. These maps are our reading of public sources and haven't been checked with the projects' maintainers yet.
Lex
A web toolkit for 34 languages: leveled reading with tap-to-translate, saved-word exercises, and essay writing with AI feedback.
lex.schoolActive
Blog posts dated 2026-10-13 to 2026-10-25 (lex.school/blog); privacy policy last updated 2026-07-10. (checked 2026-10-25)
In Language learning apps
Where it stands apart
- Do you need an account to use it? account required (20% of 15 others)
- Which shared standard or format does it mainly build on? CEFR levels (A1–C2, Goethe/telc exams) (10% of 20 others)
- How many languages can you learn with it? If it works with content in any language, pick 'any language'. more than 10 languages (16% of 19 others)
- How does a learner pay? paid after a free trial (5% of 20 others)
What it shares with most of the community
- Is it actively maintained? active (85% of 20 others)
- How is the main thing licensed? proprietary or closed source (60% of 20 others)
- Who is it for? non-developers (85% of 20 others)
- Does it use game mechanics (streaks, hearts, XP, leaderboards, mini-games)? no game mechanics (69% of 16 others)
Not documented
The public sources we read don't say:
- Where does the material you learn from mainly come from?
Nearest neighbors
- LingQ (reference) 77% of 13 shared answers match
- ReadPlusOne 71% of 14 shared answers match
- B1 Sprechen 69% of 13 shared answers match
Every answer
| Question | Answer | Source |
|---|---|---|
| Is it actively maintained? | active | source 2026-10-26 |
| How is the main thing licensed? | proprietary or closed source | source 2026-10-26 |
| How is it mainly sustained? | individual with revenue (paid app, tier, ads, or donations) Operated by an individual entrepreneur in Azerbaijan; $4-$19/month plans. | source 2026-10-26 |
| Can it run entirely on your own device or infrastructure, without the maker's servers? | no, it needs the maker's servers | source 2026-10-26 |
| Do you need an account to use it? | stands apart account required Except a basic essay-level check. | source 2026-10-26 |
| Who is it for? | non-developers | source 2026-10-26 |
| Which shared standard or format does it mainly build on? | stands apart CEFR levels (A1–C2, Goethe/telc exams) Leveled reading A1–C2. | source 2026-10-26 |
| Which learning method does the maker put first? | comprehensible input (reading or listening to real or leveled content) Reading leveled texts first, then vocabulary practice and writing. Judgment call. | source 2026-10-26 |
| What does AI do in the product? | AI only assists (translation, lookups, transcription, or grading) OpenAI models for essay feedback, translation, and text generation on the Max tier. | source 2026-10-26 |
| How many languages can you learn with it? If it works with content in any language, pick 'any language'. | stands apart more than 10 languages Page says 35 and 34 in different places. | source 2026-10-26 |
| Where does the material you learn from mainly come from? | Not documented Leveled texts plus pasted texts; origin of leveled texts not stated. | source 2026-10-26 |
| How does a learner pay? | stands apart paid after a free trial 3-day trial; Basic $4, Pro $9, Max $19 per month. | source 2026-10-26 |
| Does it use game mechanics (streaks, hearts, XP, leaderboards, mini-games)? | no game mechanics Billed as 'calm'; none mentioned. | source 2026-10-26 |
| Where is your learning progress kept? | on the maker's servers Supabase. | source 2026-10-26 |
| What is the main way you use it? | web app in the browser | source 2026-10-26 |
Sources
This page was derived from:
- Web page · lex.school · read 2026-10-25
- Web page · lex.school/blog · collected 2026-10-26
- Web page · lex.school/privacy · collected 2026-10-26
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