--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Trigonometry for Beginners" developer_entity: "Aswian Editri Sutriandi" bundle_id: "alza.web.id.Trigonometry4Beginners" app_store_id: "6741252065" google_play_id: "com.alza.quiz.trigonometry" category: "Education" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-08-21" report_date: "2026-09-20" last_verified: "2026-09-20T00:00:00.000Z" report_version: "1.01" total_reviews: 111 overall_rating: 4.6 sentiment: "Mixed" sentiment_score: 55 confidence: "medium" confidence_score: 0.5 top_praise_theme: "Trigonometry refresher content helps older users recall forgotten mathematical concepts through a structured learning format" top_complaint_theme: "Excessive advertisement frequency during the learning experience disrupts the flow of study sessions" review_sample_size: 12 total_review_count: 12 analyzed_review_count: 12 data_age_days: 52 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["education", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "beginners", "students", "seeking"] canonical_url: "https://marlvel.ai/apps/trigonometry-for-beginners" license: "CC-BY-NC 4.0" content_version: "v2" --- # Trigonometry for Beginners Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Freemium - **Signal**: Rating 4.56 · Sentiment Mixed - **Recent focus**: Excessive advertisement frequency during the learning experience disrupts the flow of study sessions (top complaint) · Trigonometry refresher content helps older users recall forgotten mathematical concepts through a structured learning format (top praise) > **TL;DR:** Trigonometry for Beginners is a education app by Aswian Editri Sutriandi, rated 4.56/5 by 111 users, with Mixed user sentiment (55/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Trigonometry for Beginners shows Mixed sentiment (4.56/5 from 111 reviews) - users praise trigonometry refresher content helps older users recall forgotten mathematical concepts through a structured learning format but report issues with excessive advertisement frequency during the learning experience disrupts the flow of study sessions. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.56/5 (111 reviews) | | **User Mood** | Mixed | | **Category** | Education | | **Developer** | Aswian Editri Sutriandi | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.5/1.0) | | **Data Age** | 52d | ## Metadata & Market Performance - **Publisher:** Aswian Editri Sutriandi - **Category:** Education - **Target Audience:** Beginners and students seeking to learn or refresh fundamental trigonometry concepts through structured lessons. - **Platforms:** iOS & Android - **Version Reviewed:** 1.03 - **Report Date:** 2026-09-20 - **Signal Count:** 12 reviews analyzed - **Confidence:** Medium (0.5/1.0) - **App Store ID (iOS):** 6741252065 - **Bundle ID:** alza.web.id.Trigonometry4Beginners - **Google Play ID:** com.alza.quiz.trigonometry - **Data Window:** Analysis based on signals collected up to 2026-09-20 ## Executive Snapshot **What it is:** Trigonometry for Beginners is an education app for students and adult learners, structured around progressive, level-based trigonometry lessons on iOS and Android. **Why users hire it:** The app removes the cognitive friction of traditional textbooks by providing a structured, interactive path for users to recall or learn trigonometry concepts. ## App DNA (Features & Intent) - **[Standard] Progressive Level System:** Curriculum structured into levels requiring star completion for advancement, creating a retention loop that increases ad-impression inventory. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Interactive Exercises:** Hands-on trigonometry problems with instant feedback, expanding ad-inventory per active user. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Ad-Free Unlock:** One-time purchase to remove advertisements, monetizing power users who want to bypass ad-supported sessions. ## Market Position {#market-position} Trigonometry for Beginners serves a niche education segment, holding a 4.6-star average rating across 111 total platform reviews. The lack of recent feature expansion relative to the 3-month update cadence suggests a focus on maintenance over aggressive market share acquisition. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free with ads, One-time purchase to remove ads - **Analysis:** The freemium model relies on ad-supported free play with a single IAP to remove ads permanently. ## 🟡 User Sentiment (Medium Confidence: 12 of 12 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.56/5 - **Platform Split:** iOS 4.6/5 (29 ratings) | Android 4.5/5 (82 ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Trigonometry refresher content helps older users recall forgotten mathematical concepts through a structured learning format** - **Simple and accessible interface design allows users to start learning without complex setup requirements** ### Top Complaints (Impact Areas) - **Excessive advertisement frequency during the learning experience disrupts the flow of study sessions** ## SWOT Analysis {#swot} **Core Strengths:** - Progressive level system creates a retention loop via star-based completion requirements **Growth Levers:** - Accessible design improvements would differentiate the app from standard education rivals ## What's New - **Latest (v1.01, 4 weeks ago):** Introduced major UI/UX enhancements with full support for edge-to-edge display and dark mode. ## App Momentum (Maintenance) {#momentum} - Ships bug fixes at 3-month cadence. - Latest release added dark mode support. > **Cadence:** 2 total versions · 1 majors in last 6 months · 29 days since last update · 184 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Trigonometry for Beginners is an education app that is free with in-app purchases. With a 4.56/5 rating from 111 reviews, it shows mixed user reception. > **Bottom Line:** The current ad-supported model creates a friction point that undermines the app's value as a learning tool. Addressing session-flow interruptions and figure accessibility would unlock higher retention among the core user base, which is currently limited by these usability barriers. **Best for:** Beginners and students seeking to learn or refresh fundamental trigonometry concepts through structured lessons. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Audit ad frequency during lessons because high ad volume is the top complaint → reduce churn ### Outlook: Mixed The education market for trigonometry is consolidating around accessible, high-utility tools. Trigonometry for Beginners remains exposed due to accessibility barriers and ad-density issues, which will likely compress long-term user retention if not addressed in the next two quarters. - 🔴 Excessive ad frequency during study sessions disrupts the learning flow, which erodes the daily active habit for free-tier users. - ⚪ The app maintains a stable, maintenance-only update cadence, which limits the risk of regression but prevents expansion into advanced trigonometry topics. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.56/5 | | Total Reviews | 111 | | Sentiment | Mixed (55/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Trigonometry for Beginners** (this app) | 4.56/5 | Mixed | Aswian Editri Sutriandi | | [Catbus Student](https://marlvel.ai/apps/catbus-student) | 4.3/5 | N/A | Cohota Join Stock Company | | [Money Matrix (CAD)](https://marlvel.ai/apps/money-matrix-cad) | 5.0/5 | N/A | Blooming Kids Software LLC | | [Quran Treasure Island for Kids](https://marlvel.ai/apps/quran-treasure-island-for-kids) | 4.9/5 | Mixed | Akeela Manekia | | [Valencia College - MyVC](https://marlvel.ai/apps/valencia-college-myvc) | 5.0/5 | N/A | Valencia College | | [Verbi: Learn a New Language](https://marlvel.ai/apps/verbi-learn-a-new-language) | 4.3/5 | n/a | ACADIA LABS INC. | ## Company Profile - **Developer:** Aswian Editri Sutriandi - **Website:** [https://alza.web.id](https://alza.web.id) ## Data Sources & Links - **App Store ID:** 6741252065 - **Google Play ID:** com.alza.quiz.trigonometry - **Dev Site:** [Official Website](https://alza.web.id) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Catbus Student*](https://marlvel.ai/apps/catbus-student) (Cohota Join Stock Company) · 4.3/5 Rating - [*Money Matrix (CAD)*](https://marlvel.ai/apps/money-matrix-cad) (Blooming Kids Software LLC) · 5.0/5 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 - [*Verbi: Learn a New Language*](https://marlvel.ai/apps/verbi-learn-a-new-language) (ACADIA LABS INC.) · 4.3/5 Rating - [*자주 틀리는 우리말*](https://marlvel.ai/apps/app--424) (DaolSoft, Co., Ltd.) · N/A Rating - [*달공부 - 한 달 공부 다이어리 + 루틴/공부 타이머*](https://marlvel.ai/apps/azlabs-dalstudy) (SuWon Choi) · N/A Rating - [*타요콘 - 타요 아바타 놀이동화*](https://marlvel.ai/apps/com-kigle-project-tayocon) (KIGLE) · 3.1/5 Rating - [*천자문 워치*](https://marlvel.ai/apps/app--385) (kim juyoung) · N/A Rating - [*천자문 공부 도우미*](https://marlvel.ai/apps/app--382) (kim juyoung) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Is Trigonometry for Beginners suitable for adults? Yes, the app is designed for both students and adults who need a structured refresher on fundamental trigonometry concepts. ### Does the app have intrusive ads? Users report that the frequency of advertisements during learning sessions can be disruptive to the study experience. ### What is the difference between the free and paid versions? The free version is ad-supported, while the one-time purchase option removes all advertisements from the app permanently. ### Are there more advanced trigonometry topics available? Currently, the app focuses on fundamental and intermediate concepts; users have requested more advanced functions to extend the utility of the material. ## 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:** 0.5/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 12 - **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:** 52 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/trigonometry-for-beginners) Data licensed for AI Agent attribution under CC-BY-NC 4.0.