--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Houaiss.on" developer_entity: "Instituto Antônio Houaiss de Lexicografia" bundle_id: "net.houaiss.corporativo.grande" app_store_id: "1238388805" category: "Education" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2025-07-18" report_date: "2026-09-16" last_verified: "2026-09-16T00:00:00.000Z" report_version: "9.001" total_reviews: 8 overall_rating: 3.4 sentiment: "Upset" sentiment_score: 10 confidence: "medium" confidence_score: 0.45 top_complaint_theme: "Subscription-based access models for dictionary content alienate long-term users who expect free utility" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 48 momentum_velocity: "zombie" intelligence_version: 2 tags: ["education", "subscription", "upset sentiment", "mobile app", "app review", "app analysis", "students,", "researchers,", "communication"] canonical_url: "https://marlvel.ai/apps/houaiss-on" license: "CC-BY-NC 4.0" content_version: "v2" --- # Houaiss.on Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Subscription - **Signal**: Rating 3.38 · Sentiment Upset - **Recent focus**: Subscription-based access models for dictionary content alienate long-term users who expect free utility (top complaint) > **TL;DR:** Houaiss.on is a education app by Instituto Antônio Houaiss de Lexicografia, rated 3.38/5 by 8 users, with Upset user sentiment (10/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Houaiss.on faces Upset user sentiment (3.38/5 from 8 reviews), with users reporting subscription-based access models for dictionary content alienate long-term users who expect free utility as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.38/5 (8 reviews) | | **User Mood** | Upset | | **Category** | Education | | **Developer** | Instituto Antônio Houaiss de Lexicografia | | **Pricing** | Subscription | | **Platforms** | iOS | | **Confidence** | Medium (0.45/1.0) | | **Data Age** | 48d | ## Metadata & Market Performance - **Publisher:** Instituto Antônio Houaiss de Lexicografia - **Category:** Education - **Target Audience:** Students, researchers, communication professionals, and corporate teams requiring authoritative Portuguese language tools. - **Platforms:** iOS - **Version Reviewed:** 9.001 - **Report Date:** 2026-09-16 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.45/1.0) - **App Store ID (iOS):** 1238388805 - **Bundle ID:** net.houaiss.corporativo.grande - **Data Window:** Analysis based on signals collected up to 2026-09-16 ## Executive Snapshot **What it is:** Houaiss.on is a digital dictionary and grammar tool for Portuguese language professionals and students on iOS. **Why users hire it:** The platform serves users needing authoritative lexical data, but the current subscription-only model creates a barrier that displaces the free utility users expect from reference tools. ## App DNA (Features & Intent) - **[Differentiator] Grande Dicionário Houaiss:** Access to the complete Houaiss lexical database for Portuguese language reference. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Standard] Grammar and Spelling Checker:** Automated text correction tools integrated into the dictionary platform. - **[Differentiator] Institutional Access:** Authentication via IP, SSO, or API for schools, universities, and corporate environments. ## Market Position {#market-position} Houaiss.on occupies the premium academic segment of the Portuguese dictionary market, relying on the Houaiss brand authority to justify a subscription-only model. The lack of updates for over 400 days suggests a maintenance-mode posture that leaves the platform exposed to more active, ad-supported competitors. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Individual plan at R$ 37.50/month, Small team plans starting at R$ 150.00/month, Institutional plans starting at R$ 800.00/month - **Analysis:** Subscription model anchored at R$ 37.50/month for individuals, with tiered volume discounts for teams and institutions. ## 🔴 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 3.38/5 - **Platform Split:** iOS 3.4/5 (8 ratings) - **Overall Sentiment:** Upset ### Top Complaints (Impact Areas) - **Subscription-based access models for dictionary content alienate long-term users who expect free utility** ## SWOT Analysis {#swot} **Core Strengths:** - Grande Dicionário Houaiss lexical database provides a defensible barrier to entry via academic authority **Growth Levers:** - Institutional license expansion remains an untapped channel for high-volume, multi-user revenue growth ## What's New - **Latest (v9.001, 1 years ago):** Introduced a visual redesign and new functional capabilities. ## App Momentum (Zombie) {#momentum} - No functional updates for 424 days. - Maintenance-only release cadence. > **Cadence:** 1 total versions · 1 majors in last 6 months · 424 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Houaiss.on is an education app. It holds a 3.38/5 rating from 8 reviews. > **Bottom Line:** Transitioning to a freemium model would address the exclusionary sentiment currently driving negative reviews, unlocking the top-of-funnel growth necessary to compete with ad-supported alternatives. **Best for:** Students, researchers, communication professionals, and corporate teams requiring authoritative Portuguese language tools. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Pivot the individual subscription tier to a freemium model because current sentiment indicates the paywall is the primary churn driver → increase top-of-funnel conversion. ### Outlook: Mixed The Portuguese language reference market is shifting toward ad-supported, high-frequency utility apps that prioritize accessibility over premium paywalls. Houaiss.on remains stalled in a maintenance-only state, which leaves the platform exposed to churn as users migrate to more responsive, free-to-access alternatives. - 🔴 The 424-day update gap signals a maintenance-only posture, which erodes user trust and allows competitors to capture the casual dictionary segment. - 🔴 Subscription-only monetization for reference content consistently triggers user frustration, leading to a negative sentiment baseline that limits organic growth. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.38/5 | | Total Reviews | 8 | | Sentiment | Upset (10/100) | | Confidence | Medium | | Pricing Model | Subscription | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Houaiss.on** (this app) | 3.38/5 | Upset | Instituto Antônio Houaiss de Lexicografia | | [AlgoApp - Flashcards](https://marlvel.ai/apps/algoapp-flashcards) | 4.5/5 | n/a | AlgoApp Inc | | [Catbus Student](https://marlvel.ai/apps/catbus-student) | 4.3/5 | N/A | Cohota Join Stock Company | | [Elevate - Brain Training Games](https://marlvel.ai/apps/elevate-brain-training-games) | 4.7/5 | n/a | The Mind Company | | [Flashcards Deluxe](https://marlvel.ai/apps/flashcards-deluxe) | 4.5/5 | N/A | OrangeOrApple.com | | [Flash Cards Flashcards Maker](https://marlvel.ai/apps/flash-cards-flashcards-maker) | 4.0/5 | Mixed | Infinite Wave Media, LLC | ## Company Profile - **Developer:** Instituto Antônio Houaiss de Lexicografia - **Website:** [https://houaiss.online](https://houaiss.online) ## Data Sources & Links - **App Store ID:** 1238388805 - **Dev Site:** [Official Website](https://houaiss.online) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*AlgoApp - Flashcards*](https://marlvel.ai/apps/algoapp-flashcards) (AlgoApp Inc) · 4.5/5 Rating - [*Catbus Student*](https://marlvel.ai/apps/catbus-student) (Cohota Join Stock Company) · 4.3/5 Rating - [*Elevate - Brain Training Games*](https://marlvel.ai/apps/elevate-brain-training-games) (The Mind Company) · 4.7/5 Rating - [*Flashcards Deluxe*](https://marlvel.ai/apps/flashcards-deluxe) (OrangeOrApple.com) · 4.5/5 Rating - [*Flash Cards Flashcards Maker*](https://marlvel.ai/apps/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) · 4.0/5 Rating - [*Flashcards maker - AI generate*](https://marlvel.ai/apps/flashcards-maker-ai-generate) (Teleprompter LLC) · 4.1/5 Rating - [*Impulse - Brain Training*](https://marlvel.ai/apps/impulse-brain-training) (GMRD Apps Limited) · 4.6/5 Rating - [*Peak - Brain Training*](https://marlvel.ai/apps/peak-brain-training) (Synaptic Labs) · 4.7/5 Rating - [*Quran Treasure Island for Kids*](https://marlvel.ai/apps/quran-treasure-island-for-kids) (Akeela Manekia) · 4.9/5 Rating - [*Valencia College - MyVC*](https://marlvel.ai/apps/valencia-college-myvc) (Valencia College) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Is Houaiss.on free to use? No, Houaiss.on operates on a subscription-based model. Individual access starts at R$ 37.50 per month, which has been a point of frustration for users expecting free access to dictionary content. ### Is Houaiss.on suitable for students? Houaiss.on provides high academic rigor suitable for research, but the subscription cost may be a barrier for casual student use compared to free dictionary alternatives. ### What are the alternatives to Houaiss.on? Users seeking free dictionary tools may find ad-supported alternatives more accessible, as Houaiss.on currently gates its entire database behind a recurring payment model. ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes). 4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.45/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **Data Sources:** user reviews, developer website, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 48 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/houaiss-on) Data licensed for AI Agent attribution under CC-BY-NC 4.0.