SuperMemo
SuperMemo is a language-learning service with courses in 25 languages, placement tests, personalized review, speech practice and offline lessons.
What SuperMemo is
SuperMemo is a language-learning service with courses in 25 languages, placement tests, personalized review, speech practice and offline lessons. It is available through cloud, desktop and mobile deployments, with support listed for Android, iOS, Linux, macOS, web and Windows. A free plan and a 30-day trial are listed. Premium 1 month costs 35.99 PLN a month and includes access to all listed courses and languages, MemoChat, AI Assistant, MemoTranslator and up to 100 private courses. Premium 12 months costs 359 PLN a year and includes the full AI features and four times the multimedia storage of the monthly Premium plan. SuperMemo is made by a company founded in 1991 and headquartered in Poznań, Poland. Placement tests offer a starting point for learners, while personalized review and speech practice support continued study. Offline lessons allow learners to use lesson material without a connection.
Good
- Courses in 25 languages
- Personalized review and placement tests
- Offline lessons and speech practice
- Supports web, mobile and desktop platforms
Watch out
- Premium monthly plan costs 35.99 PLN a month
- Premium annual plan costs 359 PLN a year
Who it suits
SuperMemo suits language learners looking for courses with placement tests, review and speech practice. Its listed desktop, mobile and web options may suit learners who want access across device types.
Verdict
SuperMemo offers language courses alongside placement, review and speech tools, with offline lessons and broad platform support. A free plan and trial are available, while the listed Premium options have distinct monthly and annual prices and features.
Plans and prices
From SuperMemo's own pricing page, checked 14 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Premium 1 month | zł35.99 a month | 25 languages · nearly 300 courses · unlimited MemoChat · AI Assistant · MemoTranslator · up to 100 private courses with 10,000 expressions each · monthly, automatic renewal |
| Premium 12 months | zł359 a year | 25 languages · nearly 300 courses · full AI features · up to one million words in private courses · four times more multimedia storage · yearly, automatic renewal |
| API Starter | €49 a month | 50,000 repetitions/month · 1,000 requests/user/24h · 1 request/sec · estimated 30 users · maximum 50 users · monthly |
| Single course | zł59.90 a year | Selected course for one year · two MemoChat dialogues per day · limited AI Assistant and MemoTranslator · private courses up to 10,000 words · one-time course purchase |
| API Grow | €89 a month | 100,000 repetitions/month · 1,000 requests/user/24h · 1 request/sec · estimated 60 users · maximum 100 users · monthly |
| API Scale | €399 a month | 500,000 repetitions/month · 1,000 requests/user/24h · 1 request/sec · estimated 300 users · maximum 500 users · monthly |
| API Enterprise | Priced on request | Custom limits tailored to product and user base · custom |
The facts
Each one read from SuperMemo's own pages, with the date it was checked.
What it does
- AI Assistant
- The AI Assistant answers study questions and can provide explanations, translations and usage examples.checked 14 Oct 2026
- API authentication
- The API requires project-specific API keys supplied as Bearer tokens in the Authorization header.checked 14 Oct 2026
- API availability
- SuperMemo introduced an external API in 2026 that exposes its SM-20 spaced-repetition technology to developers.checked 14 Oct 2026
- API capabilities
- Documented endpoints process reviews, optimize SM-20 weights, import CSV histories, query next reviews and retrieve review histories.checked 14 Oct 2026
- API documentation depth
- The API reference is presented as OpenAPI 3.1.0 and includes Shell/Curl client examples.checked 14 Oct 2026
- Course catalogue
- The service offers nearly 300 courses across 25 languages, including vocabulary, grammar, business and exam-oriented material.checked 14 Oct 2026
- Deployment
- cloud, desktop, mobilechecked 19 Sep 2026
- Languages offered
- 25checked 19 Sep 2026
- Licence
- SuperMemo’s commercial algorithm implementations remain proprietary trade secrets rather than open-source software.checked 14 Oct 2026
- Limit: bugs and synchronization
- Apple reviewers report bugs, purchased-course synchronization problems and difficulty logging out or starting courses.checked 14 Oct 2026
- Limit: interface and usability
- An independent review describes the classic desktop product as having an aged interface and user experience.checked 14 Oct 2026
- Limit: search and dark mode
- Google Play reviewers report that accented-character search is faulty and that a dark mode is still missing.checked 14 Oct 2026
- Limit: standards and media support
- The same independent review reports weak support for PDF, Markdown and LaTeX and problems with some video, GIF and image handling.checked 14 Oct 2026
- MemoChat
- MemoChat provides AI-driven role-play conversations for practicing reading, writing, speaking and listening.checked 14 Oct 2026
The company
- Company founding
- SuperMemo World was founded on July 5, 1991 by Krzysztof Biedalak and Piotr Woźniak in Poznań.checked 14 Oct 2026
- Company headquarters
- SuperMemo World lists ul. Dąbrowskiego 77A, 60-529 Poznań, Poland as its address.checked 14 Oct 2026
- Company legal identity
- The maker identifies itself as SuperMemo World sp. z o.o., registered in Poland under KRS 0000027598.checked 14 Oct 2026
- Company size
- LinkedIn lists SuperMemo World as a privately held e-learning company with 11–50 employees and 23 discoverable employees.checked 14 Oct 2026
- Founded
- 1991checked 23 Sep 2026
- Funding and ownership
- Crunchbase lists SuperMemo World sp. z o.o. as a private, for-profit company and does not show disclosed funding.checked 14 Oct 2026
- Headquarters
- Poznań, Polandchecked 23 Sep 2026
Money
- Free plan
- Yeschecked 19 Sep 2026
- Learning plans
- Users can set daily card goals and repetition limits to tailor study workload.checked 14 Oct 2026
Where it runs
- Limit: discontinued legacy apps
- The Windows app, app.supermemo.com browser version and an older Android release were discontinued in September 2025 because their technologies blocked further development.checked 14 Oct 2026
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