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SuperMemo

by SuperMemo

Free plan AndroidAPIiPhoneLinuxMacWeb+1

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SuperMemo's own site

What SuperMemo is

SuperMemo is a language-learning service offering courses in 25 languages with placement tests, personalized review, speech practice, and offline lessons. It runs through cloud, desktop, and mobile deployments, with support listed for Android, iOS, Linux, macOS, web, and Windows. A free plan is available, and a 30-day trial is 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, includes full AI features, and provides four times more multimedia storage than the monthly Premium plan. Learners can use placement results to begin at an appropriate level, then continue with personalized review and speech activities. Offline lessons support study when no connection is available. SuperMemo is made by a company founded in 1991 and headquartered in Poznań, Poland. Its combination of courses, review, speech, and cross-platform access supports structured independent study.

Who it suits

SuperMemo suits learners wanting language courses with placement, review, speech practice, and offline lessons. It fits people who need access across web, desktop, and mobile platforms.

What it does well

  • Courses offered in 25 languages
  • Placement tests and personalized review
  • Speech practice and offline lessons
  • Free plan and 30-day trial
  • Android, iOS, web, and desktop support

What to know first

  • Premium access starts at 35.99 PLN monthly
  • Annual Premium costs 359.00 PLN
  • Some listed features are tied to Premium plans

Plans

PlanBilled and limitsPrice
Premium 1 monthmonthly, automatic renewal · 25 languages · nearly 300 courses · unlimited MemoChat · AI Assistant · MemoTranslator · up to 100 private courses with 10,000 expressions each35.99 PLN a month
Premium 12 monthsyearly, automatic renewal · 25 languages · nearly 300 courses · full AI features · up to one million words in private courses · four times more multimedia storage359 PLN a year
API Scalemonthly · 500,000 repetitions/month · 1,000 requests/user/24h · 1 request/sec · estimated 300 users · maximum 500 users€399 a month
API Startermonthly · 50,000 repetitions/month · 1,000 requests/user/24h · 1 request/sec · estimated 30 users · maximum 50 users€49 a month
Single courseone-time course purchase · Selected course for one year · two MemoChat dialogues per day · limited AI Assistant and MemoTranslator · private courses up to 10,000 words59.90 PLN a year
API Growmonthly · 100,000 repetitions/month · 1,000 requests/user/24h · 1 request/sec · estimated 60 users · maximum 100 users€89 a month
API Enterprisecustom · Custom limits tailored to product and user baseOn request

As supermemo.com lists them, read 14 Oct 2026. The maker's own page has the final word.

Verdict

SuperMemo provides broad language coverage with placement, review, speech, and offline study tools. The free plan offers an entry point, while paid plans add course access and AI features.

Facts from SuperMemo's own pages

AI Assistant
The AI Assistant answers study questions and can provide explanations, translations and usage examples. · supermemo.com, 14 Oct 2026
API authentication
The API requires project-specific API keys supplied as Bearer tokens in the Authorization header. · api.supermemo.com, 14 Oct 2026
API availability
SuperMemo introduced an external API in 2026 that exposes its SM-20 spaced-repetition technology to developers. · supermemo.com, 14 Oct 2026
API capabilities
Documented endpoints process reviews, optimize SM-20 weights, import CSV histories, query next reviews and retrieve review histories. · api.supermemo.com, 14 Oct 2026
API documentation depth
The API reference is presented as OpenAPI 3.1.0 and includes Shell/Curl client examples. · api.supermemo.com, 14 Oct 2026
Company founding
SuperMemo World was founded on July 5, 1991 by Krzysztof Biedalak and Piotr Woźniak in Poznań. · supermemo.com, 14 Oct 2026
Company headquarters
SuperMemo World lists ul. Dąbrowskiego 77A, 60-529 Poznań, Poland as its address. · supermemo.com, 14 Oct 2026
Company legal identity
The maker identifies itself as SuperMemo World sp. z o.o., registered in Poland under KRS 0000027598. · supermemo.com, 14 Oct 2026
Company size
LinkedIn lists SuperMemo World as a privately held e-learning company with 11–50 employees and 23 discoverable employees. · linkedin.com, 14 Oct 2026
Course catalogue
The service offers nearly 300 courses across 25 languages, including vocabulary, grammar, business and exam-oriented material. · supermemo.com, 14 Oct 2026
Deployment
cloud, desktop, mobile · supermemo.com, 19 Sept 2026
Founded
1991 · supermemo.com, 23 Sept 2026
Free plan
Yes · supermemo.com, 19 Sept 2026
Funding and ownership
Crunchbase lists SuperMemo World sp. z o.o. as a private, for-profit company and does not show disclosed funding. · crunchbase.com, 14 Oct 2026
Headquarters
Poznań, Poland · supermemo.com, 23 Sept 2026
Languages offered
25 · supermemo.com, 19 Sept 2026
Learning plans
Users can set daily card goals and repetition limits to tailor study workload. · supermemo.com, 14 Oct 2026
Licence
SuperMemo’s commercial algorithm implementations remain proprietary trade secrets rather than open-source software. · supermemo.com, 14 Oct 2026
Limit: bugs and synchronization
Apple reviewers report bugs, purchased-course synchronization problems and difficulty logging out or starting courses. · apps.apple.com, 14 Oct 2026
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. · supermemo.com, 14 Oct 2026
Limit: interface and usability
An independent review describes the classic desktop product as having an aged interface and user experience. · pleasurable-learning.com, 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. · play.google.com, 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. · pleasurable-learning.com, 14 Oct 2026
MemoChat
MemoChat provides AI-driven role-play conversations for practicing reading, writing, speaking and listening. · supermemo.com, 14 Oct 2026

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