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LeechBlock vs SuperMemo

LeechBlock and SuperMemo are both Productivity tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.

Side-by-side comparison

AttributeLeechBlockSuperMemo
VendorJames AndersonSuperMemo World
Rating★ 4.6★ 4.4
PricingFreePaid
PlatformsFirefox, Chrome, EdgeWindows, Web
Key featuresSchedules, Block sets, FreeOriginal SRS, Incremental reading, Windows-first
HeadquartersOpen sourcePoland
Founded20071987
Open sourceNoNo

Key differences

  • LeechBlock has a higher user rating (4.6★ vs 4.4★).
  • LeechBlock is Free, while SuperMemo is Paid.
  • LeechBlock runs on Firefox, Chrome, Edge; SuperMemo runs on Windows, Web.

Frequently asked questions

Is LeechBlock or SuperMemo better?

By user rating, LeechBlock scores higher (4.6★ vs 4.4★). Both are capable Productivity tools, so review the feature comparison for your use case.

Which is cheaper, LeechBlock or SuperMemo?

LeechBlock is Free and SuperMemo is Paid. Check each product page for current plan details.

Are LeechBlock and SuperMemo open source?

No — neither LeechBlock nor SuperMemo is open source.

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