--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "15 - Fifteen Number Puzzle" developer_entity: "Yauhen Siarko" bundle_id: "com.fifteen.game" app_store_id: "6752566141" category: "Games" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2026-06-29" report_date: "2026-10-28" last_verified: "2026-10-28T00:00:00.000Z" report_version: "1.7" total_reviews: 8 overall_rating: 5 sentiment: "Thrilled" sentiment_score: 90 confidence: "low" confidence_score: 0.3 top_praise_theme: "Physical board game heritage provides a nostalgic and familiar experience for long-term fans of the title" review_sample_size: 3 total_review_count: 3 analyzed_review_count: 3 data_age_days: 4 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["games", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "puzzle", "enthusiasts", "casual"] canonical_url: "https://marlvel.ai/apps/15-fifteen-number-puzzle" license: "CC-BY-NC 4.0" content_version: "v2" --- # 15 - Fifteen Number Puzzle Intelligence Report ## TL;DR {#tldr} - **Category**: Games · Free - **Signal**: Rating 5 · Sentiment Thrilled - **Recent focus**: Physical board game heritage provides a nostalgic and familiar experience for long-term fans of the title (top praise) > **TL;DR:** 15 - Fifteen Number Puzzle is a games app by Yauhen Siarko, rated 5/5 by 8 users, with Thrilled user sentiment (90/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** 15 - Fifteen Number Puzzle maintains Thrilled user sentiment (5/5 from 8 reviews), with users consistently praising physical board game heritage provides a nostalgic and familiar experience for long-term fans of the title. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (8 reviews) | | **User Mood** | Thrilled | | **Category** | Games | | **Developer** | Yauhen Siarko | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 4d | ## Metadata & Market Performance - **Publisher:** Yauhen Siarko - **Category:** Games - **Target Audience:** Puzzle enthusiasts and casual gamers looking for a traditional, distraction-free math logic game. - **Platforms:** iOS - **Version Reviewed:** 1.7 - **Report Date:** 2026-10-28 - **Signal Count:** 3 reviews analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 6752566141 - **Bundle ID:** com.fifteen.game - **Data Window:** Analysis based on signals collected up to 2026-10-28 ## Executive Snapshot **What it is:** 15 is a minimalist sliding-tile logic game for casual players on iOS. **Why users hire it:** It removes the connectivity dependency and aggressive monetization found in modern puzzle titles, serving users who prefer a distraction-free, traditional experience. ## App DNA (Features & Intent) - **[Standard] Multiple difficulty modes:** Grid sizes ranging from 3x3 for beginners to 6x6 for veterans - **[Differentiator] Custom Image Backgrounds:** Allows users to set personal images as the puzzle board background * *User Intent:* Users value self-expression and personalized experiences. - **[Differentiator] Fully Offline Play:** Enables gameplay without an active internet connection * *User Intent:* Users want uninterrupted access without internet dependency. ## Market Position {#market-position} 15 maintains a 5.0 rating across 8 total ratings, indicating high satisfaction among its small user base. The lack of monetization gates positions it as a non-commercial alternative to ad-heavy puzzle rivals. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is currently offered as a free product with no visible in-app purchase or subscription gates. ## 🟢 User Sentiment (Low Confidence: 3 of 3 reviews analyzed) {#user-sentiment} - **Overall Rating:** 5/5 - **Platform Split:** iOS 5.0/5 (8 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **Physical board game heritage provides a nostalgic and familiar experience for long-term fans of the title** - **Customizable board sizes and varied play modes keep the gameplay loop engaging for different skill levels** - **Integrated stat tracking allows players to monitor their progress and performance over multiple game sessions** ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture removes connectivity dependency - Minimalist design reduces cognitive load for casual sessions **Growth Levers:** - Implement optional ad-supported hints to monetize the existing user base ## What's New - **Latest (v1.7, 4 months ago):** General performance optimizations were implemented. ## App Momentum (Maintenance) {#momentum} - Ships bug fixes only. - Last major release four months ago. > **Cadence:** 1 total versions · 0 majors in last 6 months · 120 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} 15 - Fifteen Number Puzzle is a games app that is completely free. It holds a 5/5 rating from 8 reviews. > **Bottom Line:** 15 successfully captures a niche audience through its minimalist, offline-first design, but the lack of monetization and dormant update cadence limits its long-term viability. Introducing light monetization would unlock the resources needed to sustain the product. **Best for:** Puzzle enthusiasts and casual gamers looking for a traditional, distraction-free math logic game. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Audit the current user experience for potential ad-integration points because the app lacks any revenue stream despite positive sentiment → unlock sustainable development funding. ### Outlook: Stable The casual puzzle market is consolidating around titles with frequent live-ops and aggressive monetization, leaving 15 exposed due to its lack of revenue generation. The app must pivot toward a sustainable monetization model to avoid being sidelined by more active competitors. - ⚪ The 120-day update gap indicates a maintenance-only posture that prevents the app from competing with more active puzzle titles. - 🟢 High user satisfaction (5.0 rating) provides a stable foundation for introducing monetization without alienating the core audience. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 8 | | Sentiment | Thrilled (90/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **15 - Fifteen Number Puzzle** (this app) | 5/5 | Thrilled | Yauhen Siarko | | [Bingo Cash - Win Real Money](https://marlvel.ai/apps/bingo-cash) | 4.7/5 | Excited | Papaya Gaming | | [Royal Match](https://marlvel.ai/apps/royal-match) | 4.7/5 | n/a | Dream Games | | [Temple Run](https://marlvel.ai/apps/temple-run) | 4.3/5 | Mixed | Imangi Studios, LLC | | [2 Player Games : Offline Games](https://marlvel.ai/apps/2-player-games-offline-games) | 4.8/5 | Thrilled | Moreno Maio | | [Avatar Life - love & bit gacha](https://marlvel.ai/apps/avatar-life-love-bit-gacha) | 3.8/5 | n/a | 101XP LIMITED | ## Company Profile - **Developer:** Yauhen Siarko ## Data Sources & Links - **App Store ID:** 6752566141 - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Bingo Cash - Win Real Money*](https://marlvel.ai/apps/bingo-cash) (Papaya Gaming) · 4.7/5 Rating | Positive Sentiment - [*Royal Match*](https://marlvel.ai/apps/royal-match) (Dream Games) · 4.7/5 Rating - [*Temple Run*](https://marlvel.ai/apps/temple-run) (Imangi Studios, LLC) · 4.3/5 Rating - [*2 Player Games : Offline Games*](https://marlvel.ai/apps/2-player-games-offline-games) (Moreno Maio) · 4.8/5 Rating | Excellent Sentiment - [*Avatar Life - love & bit gacha*](https://marlvel.ai/apps/avatar-life-love-bit-gacha) (101XP LIMITED) · 3.8/5 Rating - [*Ball Eater!*](https://marlvel.ai/apps/ball-eater) (Talha Ekren) · N/A Rating - [*Basketball Sim Leagues*](https://marlvel.ai/apps/basketball-sim-leagues) (Bacci Media) · 5.0/5 Rating - [*Battle Run*](https://marlvel.ai/apps/battle-run) (Game Hive Corp.) · 3.9/5 Rating - [*Bingo Bash: Live Bingo Games*](https://marlvel.ai/apps/bingo-bash-live-bingo-games) (Scopely, Inc.) · 4.5/5 Rating - [*Bingo Drive: Live Clash Tour*](https://marlvel.ai/apps/bingo-drive-live-clash-tour) (Gliding Deer) · 4.7/5 Rating ## Frequently Asked Questions {#faq} ### Is 15 free to play? Yes, the app is currently free with no visible in-app purchases or subscription gates. ### Does 15 require an internet connection? No, the app supports fully offline play, allowing for gameplay without an active internet connection. ### What makes 15 different from other puzzle games? It focuses on a minimalist, distraction-free experience without the aggressive monetization or connectivity requirements found in many modern puzzle titles. ## 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 3 - **Data Sources:** user reviews, 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:** 4 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/15-fifteen-number-puzzle) Data licensed for AI Agent attribution under CC-BY-NC 4.0.