Datacircle is a free, AI-agent-ready benchmark of GTM data APIs that scores 1,018 providers across 120 API types on price, accuracy and speed, with an MCP server and open API.
Modernizing how people learn new things with AI




Repeto: AI flashcard app that makes cards from notes, PDFs, article links, audio/video and photos, and schedules reviews with FSRS spaced repetition; imports/exports Anki decks. Free: 10 AI cards/week; Pro $3.99/mo.
| Pricing model | Freemium |
|---|---|
| Free tier | Yes · Unlimited manual cards and FSRS reviews; 10 AI card generations a week; Anki import/export; 100 MB media · no credit card required |
| Starting price | $3.99 / month |
| Data residency | Not verified |
| Compliance (as stated by vendor) | GDPR (claimed) |
| Integrations | Anki, Pexels |
| Public API | Not verified |
| Self-hostable | Not verified |
| Official site | Online (auto-checked 2026-10-26) |
| Can a general AI assistant replace it? | A general LLM can draft flashcards from text, but does not schedule reviews or sync decks across devices. Anki (free) plus an LLM covers the same ground with more manual work. |
| Last verified | 2026-09-26 by editor |
Datacircle is a free, AI-agent-ready benchmark of GTM data APIs that scores 1,018 providers across 120 API types on price, accuracy and speed, with an MCP server and open API.
SnapRender is a screenshot API that captures any website as PNG, JPEG, WebP or PDF in real Chrome, with cookie banners removed and a hosted MCP server for AI agents.
Wayground, formerly Quizizz, is a K-12 platform for assessments, presentations, flashcards and videos with AI and accommodations. The Basic plan is free for every teacher.
SchoolAI lets teachers build AI-guided learning Spaces for students and see how each student is doing. A free trial gives 5 Space launches per year; Pro and Scale plans are quoted.
Khanmigo is Khan Academy's AI assistant for teachers, learners and families. Teacher tools are free; learner and family plans are $4 per month, and districts request pricing.
Class Companion gives students AI tutoring and instant feedback on assignments teachers create or upload. The Teacher plan is free; school and district plans are quoted.
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