Redação Online

What Redação Online does

Redação Online is a Florianópolis-based Brazilian EdTech specializing in human expert essay correction for the country's three major essay-bearing exams: ENEM (national high-school exam), vestibulares (institutional university entrance exams such as FUVEST, UNICAMP, UERJ, UNESP), and concursos públicos (civil service exams from CESPE, FGV, FCC, VUNESP, IBFC, among others). Founded in 2015 by Prof. Otavio Pinheiro, the company positions itself as the only Brazilian platform producing ENEM Nota 1000 scoring students (5 out of the 12 nationwide perfect scorers in 2024), with corrections performed by a curated team of masters and doctorate holders from USP, UNICAMP, UFRJ, UFSC, and UFPA following INEP 5-competency rubrics and bank-specific criteria.

The core product is subscription-based human essay correction delivered through a self-serve web platform (app.redacaonline.com.br), supplemented by an AI text chatbot (Liah) for 24/7 Q&A, a 1,200+ theme bank organized across 8 thematic axes and updated weekly, mock exams, video lessons, a Book Club (Clube do Livro) for cultural repertoire, group mentorship with Medicine-approved students, and competency-level performance analytics. A B2B school platform extends the same correction engine into institutional deployments. The product is part of the broader Ennia Education ecosystem, which also includes Provas Online (digital evaluation), Dashboards Educacionais, and Recrutamento RH.

Commercially, Redação Online operates a product-led growth model with six subscription tiers ranging from R$190.90 (basic, 5 corrections) to R$1,437.60 (Concursos plan, 50 corrections) on monthly billing with 12x installment options (R$23.94-R$35.94 per installment). Acquisition runs through content marketing (SEO blog, educational guides), social media (1.5M followers, largest essay community in Brazil), WhatsApp direct sales, and event-driven campaigns timed to ENEM and vestibular cycles. The company is privately held and reports 32,000+ approved students cumulatively, 96% approval rate, and 8.7/10 Reclame Aqui satisfaction, though no revenue, ARR, or funding figures are disclosed.

Name

Redação Online

Legal name

Redação Online

Website

https://redacaonline.com.br

Company type

Private

Founded year

2015

Operating status

Operating

Headcount range

1–10 employees

Short description

Redação Online is a Brazilian EdTech platform providing human expert essay correction for ENEM, vestibulares, and concursos públicos, serving tens of thousands of exam candidates with tiered subscriptions, an AI chatbot (Liah), a 1,200+ theme bank, and B2B school deployments via the Ennia Education ecosystem.

Ownership category

akta.pro rank

Product category

Test Preparation Services

NAICS

Exam Preparation and Tutoring (611691), Educational Support Services (61171), Educational Services (611)

SIC

Services-Educational Services (8200), Services-Prepackaged Software (7372)

akta.pro industry

PRIMARYEDAGADAC

Higher Education Admissions & Placement Exam Prep (GRE/GMAT/LSAT/MCAT)

Education/Educational Publishing & Learning Content/Assessment, Testing & Exam Prep Publishing

SECONDARYEDAFADAA

Online Exam Delivery & Test Administration Platforms

Education/Education Technology (EdTech) & Digital Learning/Assessment, Testing, Proctoring & Credentialing Platforms

Keywords

• Essay correction services
• Exam preparation platform
• Online education subscriptions
• Writing assessment tools
• ENEM preparation courses

Headquarters

HQ city

Florianópolis

HQ country

Brazil

HQ region

Latin America

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Others

Revenue model

1. Subscription Plans - Essay Corrections: Recurring subscription model with 6 plan tiers ranging from basic (5 corrections) to Nota 1000 (unlimited corrections). Plans include varying quantities of essay corrections, access to video lessons, mentorship sessions, book club, and AI mentor. Billing occurs monthly with 12x installment option. Cost per correction decreases as plan tier increases, ranging from R$38.18 (basic) to R$17.49 (complete).

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

Redação Online provides professional essay correction services for Brazilian students preparing for ENEM, vestibulares (university entrance exams), and public concursos. Corrections are delivered by human specialists holding master's and doctoral degrees from top Brazilian universities using the INEP 5-competency framework with a 24-hour turnaround. The core service is bundled through tiered monthly subscription plans that include AI assistance (Liah), theme libraries, mock exams, group mentorship, video lessons, a Book Club, and foundational writing courses.

Product overview

Redação Online is a comprehensive essay correction and writing preparation platform that operates as a multi-product ecosystem. The core offering is professional human-powered essay correction for ENEM, vestibular exams, and public service competitions. This core is delivered through tiered subscription plans (SUPERMED, ENEM Intensivo, and Concursos Preparação Intensiva) that bundle corrections with supporting services including an AI assistant (Liia), topic database (1,200+ themes), mock exams, group mentoring, video lessons, a Book Club, performance analytics, and foundational courses. The platform also offers a dedicated institutional product for schools to manage whole-class essay practice with automated correction and reporting. All essay corrections are performed by human specialists (master's and doctoral degree holders) using official INEP and examination board criteria, with AI辅助仅用于辅助学习和内容推荐，而非取代人工批改。

Differentiator

Problem solved

Functional benefit

Products and services

• Correção de Redação Online Professional essay correction service delivered by human specialists holding master's and doctoral degrees from top Brazilian universities. Provides paragraph-by-paragraph feedback within 24 hours following the official INEP 5-competency framework. Targets Brazilian students preparing for ENEM, vestibulares, and public concursos.
• Correção para Vestibulares Essay correction service tailored to specific Brazilian vestibular exams (FUVEST, UNICAMP, UERJ, UNESP, UFRGS, UFPR, UFVM), following each institution's specific evaluation criteria including literary analysis and collectânea interpretation. Targets pre-university students targeting competitive universities.
• Correção para Concursos

Quantifiable outcome

• 5 students achieved ENEM 1000 score (only 12 nationwide)
• +5 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature4 records

Partnerships

One partnership is on record.

• Ennia EducationcoreOthersRedação Online is part of Ennia Education, a global education and HR technology company offering solutions for exams, essays, dashboards, and recruitment. Ennia Education includes: Provas Online (digital evaluation platform), Redação (core essay correction business), Dashboards Educacionais (educational performance dashboards for schools), and Recrutamento RH (HR evaluation and selection solutions). The relationship is parent company to subsidiary.

Scale indicators10 records

Recent moves6 records

Expansion highlights5 records

Others

• Pravaler: Brazilian student financing platform serving ENEM and vestibular-bound students. Adjacent ecosystem participant; not a direct competitor but operates in the same student lifecycle and could form partnerships.

Broad incumbents

• Descomplica: One of Brazil's largest online education platforms offering ENEM, vestibular, and concurso prep with live classes, video lessons, and essays correction. Much broader portfolio (full K-12, graduate) but overlaps with Redação Online on ENEM essay correction.
• Princeton Review (TPR Education): US-based test prep incumbent covering SAT, ACT, GRE, GMAT with online courses and essay grading. Comparable business model in admissions-focused test prep; relevant international benchmark for unit economics.

Direct peers

• Stoodi: Brazilian online ENEM and vestibular prep platform with video lessons, exercises, and essay correction. Subscription-based with similar price points and target audience to Redação Online.
• Aprova Total: Brazilian online test prep with subscription plans covering ENEM, vestibulares, and concursos. Similar product structure to Redação Online with video lessons, exercises, and essay content.
• Estratégia Vestibulares e Militares: Leading Brazilian online platform for vestibular and concurso prep with subscription-based access to courses, PDF materials, and question banks. Overlaps with Redação Online's vestibular/concurso essay correction value proposition.
• Me Salva!: Brazilian online test prep platform covering ENEM and vestibulares with video lessons and exercises. Subscription-based with strong social media presence; competes for the same B2C student segment as Redação Online.

Regional players

• Ferretto Vestibulares: Brazilian vestibular and ENEM prep brand offering online and hybrid courses. Comparable target audience and content offering, particularly in southern Brazil where Redação Online is headquartered.

Emerging players

• Kuadro: Online vestibular prep platform with focus on personalized study plans and content for university entrance exams. Overlaps with Redação Online in targeting vestibular-bound students via subscription model.
• Blog do Enem: Content-driven Brazilian ENEM prep site with study guides, theme analyses, and free tips. Overlaps with Redação Online's content marketing approach and competes indirectly for student attention/followers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCzB8xG8VmW1_3V0r0
• Xx.com/redacaonline

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds3 records

Investors5 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Redação Online