---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Constituição Federal Brasileir"
developer_entity: "F&E System Apps"
bundle_id: "cf.fesystemapps.com.AOTNRDUCIRTBEPWEB"
app_store_id: "388052700"
category: "Books & Reference"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2025-07-02"
report_date: "2026-05-19"
last_verified: "2026-05-19T13:21:58.323Z"
report_version: "7.0"
total_reviews: 4
overall_rating: 2.25
confidence: "low"
confidence_score: 0.05
data_age_days: 43
momentum_velocity: "maintenance"
intelligence_version: 2
tags: ["books & reference", "paid", "mobile app", "app review", "app analysis", "students,", "legal", "professionals,"]
canonical_url: "https://marlvel.ai/intel-report/books-reference/cf-fesystemapps-com-aotnrducirtbepweb"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Constituição Federal Brasileir App Audit

## TL;DR {#tldr}

- **Category**: Books & Reference · Paid
- **Signal**: Rating 2.25

> **TL;DR:** Constituição Federal Brasileir is a books & reference app by F&E System Apps, rated 2.25/5 by 4 users, available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Constituição Federal Brasileir is a books & reference app by F&E System Apps.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 2.25/5 (4 reviews) |
| **Category** | Books & Reference |
| **Developer** | F&E System Apps |
| **Pricing** | Paid |
| **Platforms** | iOS & Android |
| **Confidence** | Low (0.05/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** F&E System Apps
- **Category:** Books & Reference
- **Target Audience:** Law students, legal professionals, and citizens seeking a portable, searchable version of the Brazilian Constitution.
- **Platforms:** iOS & Android
- **Version Audited:** 7.0
- **Audit Date:** 2026-05-19
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.05/1.0)
- **App Store ID (iOS):** 388052700
- **Bundle ID:** cf.fesystemapps.com.AOTNRDUCIRTBEPWEB
- **Google Play ID:** cf.fesystemapps.com.AOTNRDUCIRTBEPWEB
- **Data Window:** Analysis based on signals collected up to 2026-05-19
- **Short Description:** Buy now at $ (actual) using a national credit card.

<!-- section:executive-snapshot -->
## Executive Snapshot
Constituição Federal Brasileira provides a digital reference for the 1988 Brazilian Federal Constitution, sourced from official government public records. The app includes study-oriented tools such as text editing, keyword search, and audio note-taking to assist users in navigating legal texts.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Automatic Updates:** The app automatically checks for and applies updates to the Constitution text upon launch.
- **[Standard] Study Tools:** Users can record audio notes via microphone and edit, bold, or highlight text within the document.
- **[Standard] Search and Export:** Includes keyword search functionality and the ability to share chapters via email or PDF.
  * *User Intent:* Users seek social connection and competitive engagement with peers.
- **[Standard] Text-to-Speech:** The application provides a feature to read the constitution text aloud.
  * *User Intent:* Users seek enhanced value through premium features.
<!-- /section:features -->

## Monetization Strategy
- **Model:** Paid
- **Price:** iOS: $12.90 | Android: $5.99

<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

Last updated 321d ago. 5 versions tracked.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 321 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Constituição Federal Brasileir is an established books & reference app that is a paid app.
With a 2.25/5 rating from 4 reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** This is a paid reference tool designed for studying the Brazilian Constitution, featuring offline-accessible text with integrated annotation and search capabilities.
<!-- speakable-end -->

**Best for:** Law students, legal professionals, and citizens seeking a portable, searchable version of the Brazilian Constitution.

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 2.25/5 |
| Total Reviews | 4 |
| Confidence | Low |
| Pricing Model | Paid |
| Platforms | iOS & Android |
| Key Features | 4 analyzed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Constituição Federal Brasileir** (this app) | 2.25/5 | N/A | F&E System Apps |
| [stewww](https://marlvel.ai/intel-report/books-reference/stewww) | N/A/5 | N/A | rechor |
| [ReaderHive - Novels & Books](https://marlvel.ai/intel-report/books-reference/readerhive-novels-books) | N/A/5 | N/A | VetraShort |
| [Fossil Id : Fossil Identifier](https://marlvel.ai/intel-report/books-reference/fossil-id-fossil-identifier) | 4.5/5 | N/A | TLUTech |
| [Idioms and Slang Dictionary](https://marlvel.ai/intel-report/books-reference/idioms-and-slang-dictionary) | 4.6/5 | N/A | TheFreeDictionary.com – Farlex |
| [Adel - Narrate Bedtime Stories](https://marlvel.ai/intel-report/books-reference/adel-narrate-bedtime-stories) | 4.1/5 | N/A | MOBIVERSITE YAZILIM BILISIM REKLAM VE DANISMANLIK |

## Company Profile
- **Developer:** F&E System Apps
- **Website:** [https://www.fesystemapps.com.br](https://www.fesystemapps.com.br)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/br/app/constitui%C3%A7%C3%A3o-federal/id388052700?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=cf.fesystemapps.com.AOTNRDUCIRTBEPWEB)
- **Dev Site:** [Official Website](https://www.fesystemapps.com.br)
- **Sources:** App store metadata.

## Related Intel Reports
- [*stewww*](https://marlvel.ai/intel-report/books-reference/stewww) (rechor) — N/A Rating | N/A Sentiment
- [*ReaderHive - Novels & Books*](https://marlvel.ai/intel-report/books-reference/readerhive-novels-books) (VetraShort) — N/A Rating | N/A Sentiment
- [*Fossil Id : Fossil Identifier*](https://marlvel.ai/intel-report/books-reference/fossil-id-fossil-identifier) (TLUTech) — 4.5/5 Rating | N/A Sentiment
- [*Idioms and Slang Dictionary*](https://marlvel.ai/intel-report/books-reference/idioms-and-slang-dictionary) (TheFreeDictionary.com – Farlex) — 4.6/5 Rating | N/A Sentiment
- [*Adel - Narrate Bedtime Stories*](https://marlvel.ai/intel-report/books-reference/adel-narrate-bedtime-stories) (MOBIVERSITE YAZILIM BILISIM REKLAM VE DANISMANLIK) — 4.1/5 Rating | N/A Sentiment
- [*Ewe and English Bible offline*](https://marlvel.ai/intel-report/books-reference/ewe-and-english-bible-offline) (LeafeCodes) — 4.8/5 Rating | Positive Sentiment
- [*VI Editor Assistant*](https://marlvel.ai/intel-report/books-reference/vi-editor-assistant) (AppDevGenie) — 4.0/5 Rating | N/A Sentiment
- [*네이버 - NAVER*](https://marlvel.ai/intel-report/books-reference/naver) (NAVER Corp.) — 3.3/5 Rating | Terrible Sentiment
- [*Thesaurus Pro*](https://marlvel.ai/intel-report/books-reference/thesaurus-pro) (SpeedyMarks) — 4.9/5 Rating | N/A Sentiment
- [*French Dictionary & Thesaurus*](https://marlvel.ai/intel-report/books-reference/french-dictionary-thesaurus) (TheFreeDictionary.com – Farlex) — 4.7/5 Rating | N/A Sentiment

## 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 and evidence quoting.
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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** 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:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/books-reference/cf-fesystemapps-com-aotnrducirtbepweb)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.