Recallfox · Office #58,177

What it is

Calls itself “spaced repetition flashcards”.

• Calls itself: spaced repetition flashcards

“Recallfox combines interactive Lessons and Learning Paths with spaced repetition flashcards that come back before you forget, helping knowledge stick.”

Where it puts itself

Rules out “subscription”.

• Says it will not: subscription

“Free, with no subscription needed”

What it costs

Monthly subscription and yearly plan. A free tier, free forever. Prices quoted: $0/month, $2.50/month, $29.99/year.

• Monthly: yes
• Yearly: yes
• Free plan: free forever
• Price: $0/month · $2.50/month · $29.99/year

“$29.99 billed yearly”

“Free to start, and you do not need any AI to use it.”

“Free, with no subscription needed”

Who it sells to

Sells to consumers. Made for engineers and students.

• Sells to: consumers
• Made for: engineers · students

“Built for students, engineers, and anyone learning something that matters.”

How it runs

A web app. Hosted in the cloud. Offers an API. AI is a side feature.

• Kind: web
• Runs where: cloud / hosted
• API: yes
• AI role: a side feature

“Open the app”

“Your cards are backed up continuously, so they are never lost.”

What it works with

Integrates with Claude, Claude Code and Cursor. Built on FSRS. Names ChatGPT on its pages.

• Integrates with: Claude · Claude Code · Cursor
• Built on: FSRS
• Names: ChatGPT

“ChatGPT”

“Claude”

What it offers as proof

Live, no waitlist. Claims “1,284 cards”. Try it without signing up. Publishes docs.

• Number claimed: 1,284 cards
• Instant signup: yes
• Trial asks for: nothing

“Open the app”

“Start for free”