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StudyH, Anki, Quizlet, RemNote, Notion, Obsidian, ChatGPT and Gemini side by side, with the source of every fact. Plus the platforms that schools buy.
Each tool covers one part of studying. Anki and RemNote handle spaced repetition; Quizlet has ready-made sets; Notion and Obsidian organize notes; ChatGPT and Gemini talk about any subject. StudyH brings together class material, ENEM questions, essays, the Feynman Method and ABNT papers, for the individual student; its app is in Portuguese. See below what each one does, with source and date.
Dollars converted with the Central Bank of Brazil PTAX selling rate of 16/10/2026: US$ 1 = R$ 5.0826, without taxes or card spread.
StudyH is individual today: it has no offer for schools, no teacher dashboard and no school integration. The platforms below are bought by the institution. Prices are per institution and per student and cannot be compared with an individual subscription.
Google's package for schools; since August 2026, Gemini in Classroom is available to students of all ages.
Education Fundamentals free for qualified institutions; Education Plus US$ 6 per user per year (≈ R$ 2.54 per student per month); AI Pro for Education US$ 20 per user per month (≈ R$ 101.65). [40][47][48]
Somos Educação's platform for schools, with its own AI (Plu).
Adaptive learning platform for schools; families pay in the app store with the school's code.
On request. [51]
Sells to students and to governments: ENEM questions since 2013 and 30 AI essay corrections a month in the student plan.
Student: 12 × R$ 49.90 for 14 months (≈ R$ 42.77 a month). Niterói (public contract): 250 licenses for R$ 54,800. [52][53]
Khan Academy is free; in Brazil, Khanmigo is in public school pilots.
Khan is free. Khanmigo Enterprise Starter US$ 10 per student per year (≈ R$ 4.24 a month), US only. [54][55][56]
Bulk Quizlet licenses for schools.
On request, from 10 accounts. [38]
One-to-one comparisons in Compare.