--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "English Basic Grammar Book For Tense With Quizzes" developer_entity: "Sirinthip Rungratikulthon" bundle_id: "com.kidsfunplayground.fgrammar" app_store_id: "1264982550" category: "Entertainment" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2017-07-29" report_date: "2026-09-11" last_verified: "2026-09-11T00:00:00.000Z" report_version: "1.0" total_reviews: 1 overall_rating: 5 confidence: "low" confidence_score: 0 data_age_days: 19 momentum_velocity: "zombie" intelligence_version: 2 tags: ["entertainment", "free", "mobile app", "app review", "app analysis", "beginners", "learning", "english"] canonical_url: "https://marlvel.ai/apps/english-basic-grammar-book-for-tense-with-quizzes" license: "CC-BY-NC 4.0" content_version: "v2" --- # English Basic Grammar Book For Tense With Quizzes Intelligence Report ## TL;DR {#tldr} - **Category**: Entertainment · Free - **Signal**: Rating 5 > **TL;DR:** English Basic Grammar Book For Tense With Quizzes is a entertainment app by Sirinthip Rungratikulthon, rated 5/5 by 1 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** English Basic Grammar Book For Tense With Quizzes is a entertainment app by Sirinthip Rungratikulthon. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (1 review) | | **Category** | Entertainment | | **Developer** | Sirinthip Rungratikulthon | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0/1.0) | | **Data Age** | 19d | ## Metadata & Market Performance - **Publisher:** Sirinthip Rungratikulthon - **Category:** Entertainment - **Target Audience:** Beginners learning English grammar and sentence structure. - **Platforms:** iOS - **Version Reviewed:** 1.0 - **Report Date:** 2026-09-11 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0/1.0) - **App Store ID (iOS):** 1264982550 - **Bundle ID:** com.kidsfunplayground.fgrammar - **Data Window:** Analysis based on signals collected up to 2026-09-11 ## Executive Snapshot **What it is:** English Basic Grammar Book For Tense With Quizzes is a static educational reference app for English grammar and verb tenses on iOS. **Why users hire it:** It serves users seeking a simple, no-cost reference for sentence structure, displacing the need for physical grammar handbooks. ## App DNA (Features & Intent) - **[Standard] Grammar Instruction:** Lessons covering English sentence structure and word ordering. - **[Standard] Tense Quizzes:** Interactive assessments focused on English verb tenses. ## Market Position {#market-position} English Basic Grammar Book For Tense With Quizzes maintains a legacy presence with a 5-star rating from a single review. The lack of updates since 2017 signals a complete absence of competitive pressure in the current education market. ## Monetization Strategy - **Model:** Free - **Tiers:** Free application - **Analysis:** The app is distributed as a free tool with no observable monetization mechanisms. ## SWOT Analysis {#swot} **Core Strengths:** - Zero-cost distribution model removes financial barriers for entry-level learners **Growth Levers:** - Repurposing existing grammar content into a modern, gamified mobile interface ## App Momentum (Zombie) {#momentum} - Dormant since July 2017 release. - No updates in over nine years. > **Cadence:** 1 total versions · 1 majors in last 6 months · 3331 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} English Basic Grammar Book For Tense With Quizzes is an entertainment app that is completely free. It holds a 5/5 rating from 1 review. > **Bottom Line:** English Basic Grammar Book For Tense With Quizzes functions as a static repository for grammar rules, but the lack of updates since 2017 makes it a sunset-stage asset that cannot compete with adaptive learning platforms. **Best for:** Beginners learning English grammar and sentence structure. ### PM Action Plan (Next Best Moves) - [ ] [SUNSET] Sunset the application because the nine-year development gap makes maintenance unviable → reclaim developer resources. ### Outlook: Declining The education category is consolidating around adaptive, subscription-based platforms that prioritize daily engagement and progress tracking. English Basic Grammar Book For Tense With Quizzes remains static, ensuring its continued decline as users migrate to platforms that offer interactive feedback and regular content updates. - 🔴 The nine-year update hiatus indicates the developer has abandoned the project, leaving the app vulnerable to OS-level deprecation. - 🔴 The absence of modern engagement loops ensures the app will continue to lose relevance against active language-learning competitors. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 1 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 2 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **English Basic Grammar Book For Tense With Quizzes** (this app) | 5/5 | N/A | Sirinthip Rungratikulthon | | [BESTPLAY Play to earn & donate](https://marlvel.ai/apps/bestplay-play-to-earn-donate) | 4.6/5 | n/a | Bestplay | | [JustPlay: Earn Money or Donate](https://marlvel.ai/apps/justplay-earn-money-or-donate) | 4.4/5 | n/a | JustPlay GmbH | | [BIBLIOTECA LDM](https://marlvel.ai/apps/biblioteca-ldm) | 4.8/5 | Mixed | Esteban Gonzalez | | [DramaBox - Stream Drama Shorts](https://marlvel.ai/apps/dramabox-stream-drama-shorts-1) | 4.7/5 | n/a | STORYMATRIX | | [DramaWave - Dramas & Reels](https://marlvel.ai/apps/dramawave-dramas-reels) | 4.7/5 | Mixed | SKYWORK AI PTE LTD | ## Company Profile - **Developer:** Sirinthip Rungratikulthon ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/english-basic-grammar-book-for-tense-with-quizzes/id1264982550?uo=4) - **Sources:** App store metadata. ## Related Intel Reports - [*BESTPLAY Play to earn & donate*](https://marlvel.ai/apps/bestplay-play-to-earn-donate) (Bestplay) · 4.6/5 Rating - [*JustPlay: Earn Money or Donate*](https://marlvel.ai/apps/justplay-earn-money-or-donate) (JustPlay GmbH) · 4.4/5 Rating - [*BIBLIOTECA LDM*](https://marlvel.ai/apps/biblioteca-ldm) (Esteban Gonzalez) · 4.8/5 Rating - [*DramaBox - Stream Drama Shorts*](https://marlvel.ai/apps/dramabox-stream-drama-shorts-1) (STORYMATRIX) · 4.7/5 Rating - [*DramaWave - Dramas & Reels*](https://marlvel.ai/apps/dramawave-dramas-reels) (SKYWORK AI PTE LTD) · 4.7/5 Rating - [*Ghost Science M3*](https://marlvel.ai/apps/ghost-science-m3) (Michael Weber) · 3.1/5 Rating | Positive Sentiment - [*JustPlay: Earn Loyalty Rewards*](https://marlvel.ai/apps/justplay-earn-loyalty-rewards) (Gimica GmbH) · 4.7/5 Rating - [*Leprecam*](https://marlvel.ai/apps/leprecam) (Asinine Games Inc) · 4.3/5 Rating - [*PLAYZONE - Play & Earn Rewards*](https://marlvel.ai/apps/money-well-earn-rewards) (Vanessa Calatayud Gomis) · 2.5/5 Rating - [*TikTok Pro - Events*](https://marlvel.ai/apps/com-ss-iphone-ugc-tiktok-pro) (TikTok Ltd.) · 4.7/5 Rating ## Frequently Asked Questions {#faq} ### Is English Basic Grammar Book For Tense With Quizzes free to use? Yes, the app is distributed as a free tool with no observable monetization or subscription tiers. ### Does this app receive regular updates? No, the app has not been updated since its initial release in July 2017. ### What is a modern alternative to this grammar book? Users seeking interactive grammar practice should consider modern language learning platforms that offer daily lessons, progress tracking, and adaptive feedback, which this app lacks. ## 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:** 0/1.0 (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:** 19 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/english-basic-grammar-book-for-tense-with-quizzes) Data licensed for AI Agent attribution under CC-BY-NC 4.0.