1
added 2026
Freemium
Paid from $6.99/mo
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11 Spaced Repetition tools
Every listed tool supports Spaced Repetition. No reader votes yet, so reviews and saves set the order. 8 have a free way in.
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4 data-backed ways into the list.
Top 5, side by side
The 5 most-voted tools on the facts readers ask about.
What this costs
Here’s how all 11 tools break down by starting price.
Median entry price $9/moCheapest paid $5.99/moFree plan available 8 of 11
BoostedSponsored, does not affect rank
Your tool, in front of 11 competitors
Paid placements appear above the ranking, labelled honestly.
All 11 tools
Ordered by reviews and saves until readers vote.
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Showing all 11 tools. No reader votes yet, so reviews and saves set the order, then A to Z.
2
added 2026
Freemium
Paid from $9.99/mo
3
added 2025
Paid
From $19.99/mo
4
added 2026
Free
Free plan
5
added 2026
Freemium
Custom pricing
6
added 2026
Freemium
Paid from $7.99/mo
7
added 2026
Freemium
Custom pricing
8
KardsAI
Cheapest
added 2025
Freemium
Paid from $5.99/mo
9
added 2026
Paid
From $14.99/mo
10
added 2026
Paid
From $1,969/mo
11
added 2026
Freemium
Paid from $8/mo
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4 questions
Common questions
Answers derived from the tools on this page.
How many Spaced Repetition tools are there?
Siteefy's live index currently tracks 11 Spaced Repetition tools, with 9 added in 2026. The count updates automatically as tools are published or retired.
Are there free Spaced Repetition tools?
Yes. 1 of the 11 tools is completely free and 7 offer a free plan alongside paid tiers.
How much do Spaced Repetition tools cost?
Paid plans start at $5.99/mo (KardsAI). Each row in the list above shows the tool's pricing model and starting price.
How is this Spaced Repetition list ranked?
The list is waiting for its first reader votes. Voting on any tool creates the ranking, star ratings come from community reviews, and anyone can suggest a missing tool.