--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "World Stamps Collecting" developer_entity: "Amir Wald" bundle_id: "com.Ulan.worldstamps" app_store_id: "6443606220" google_play_id: "com.colnect.stamps_catalog.world" category: "Education" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-04-16" report_date: "2026-08-10" last_verified: "2026-08-10T00:00:00.000Z" report_version: "1.4.6" total_reviews: 333 overall_rating: 3.7 sentiment: "Frustrated" sentiment_score: 25 confidence: "medium" confidence_score: 0.45 top_complaint_theme: "Users report the app lacks essential list management features required for effective collection tracking" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 6 intelligence_version: 3 tags: ["education", "freemium", "frustrated sentiment", "mobile app", "app review", "app analysis", "philatelists", "stamp", "collectors"] canonical_url: "https://marlvel.ai/apps/world-stamps-collecting" license: "CC-BY-NC 4.0" content_version: "v2" --- # World Stamps Collecting Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Freemium - **Signal**: Rating 3.69 · Sentiment Frustrated - **Recent focus**: Users report the app lacks essential list management features required for effective collection tracking (top complaint) > **TL;DR:** World Stamps Collecting is a education app by Amir Wald, rated 3.69/5 by 333 users, with Frustrated user sentiment (25/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** World Stamps Collecting faces Frustrated user sentiment (3.69/5 from 333 reviews), with users reporting users report the app lacks essential list management features required for effective collection tracking as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.69/5 (333 reviews) | | **User Mood** | Frustrated | | **Category** | Education | | **Developer** | Amir Wald | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.45/1.0) | | **Data Age** | 6d | ## Metadata & Market Performance - **Publisher:** Amir Wald - **Category:** Education - **Target Audience:** Philatelists and stamp collectors seeking to catalog their physical collections and participate in a global trading community. - **Platforms:** iOS & Android - **Version Reviewed:** 1.2.5 - **Report Date:** 2026-08-10 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.45/1.0) - **App Store ID (iOS):** 6443606220 - **Bundle ID:** com.Ulan.worldstamps - **Google Play ID:** com.colnect.stamps_catalog.world - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-08-10 ## Executive Snapshot **What it is:** World Stamps Collecting is a catalog and marketplace app for philatelists on iOS and Android. **Why users hire it:** Users hire the app to identify physical stamps and participate in the Colnect trading community, but the lack of native tracking tools forces them to seek external alternatives. ## App DNA (Features & Intent) - **[Standard] Global Stamp Catalog:** Access to a database of over 1.6 million stamps with details on country, year, and face value. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] Advanced Filtering:** Search and sort stamps by specific criteria including perforation, watermark, designer, and printer. * *User Intent:* Users want to quickly find relevant content or features. - **[Differentiator] Personal Collection Management:** Tools to track personal inventory, swap lists, and wish lists synced with the Colnect account. * *User Intent:* Users expect seamless access across multiple devices. ## Market Position {#market-position} The app maintains a presence in the Education category across multiple international markets, including #71 Grossing in Canada and #51 Grossing in Romania. The reliance on Colnect marketplace traffic suggests a focus on transaction volume over standalone subscription revenue. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free access to catalog and community features, In-app purchases for marketplace-related activities - **Analysis:** The app operates as a mobile interface for the Colnect community, utilizing ad-supported engagement to drive traffic to the primary marketplace. ## 🔴 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 3.69/5 - **Platform Split:** iOS 4.5/5 (13 ratings) | Android 3.7/5 (320 ratings) - **Overall Sentiment:** Frustrated ### Top Complaints (Impact Areas) - **Users report the app lacks essential list management features required for effective collection tracking** ## SWOT Analysis {#swot} **Core Strengths:** - Integrated marketplace hook into the Colnect ecosystem drives transaction-based revenue **Growth Levers:** - Untapped B2B potential for partnerships with physical stamp societies ## Recent Changes (v2 → v3) {#recent-changes} The app pivoted to a freemium marketplace model while failing to address core user requests for native inventory management, resulting in a negative sentiment trend. **Overall trend**: Mixed **Compared at**: 2026-08-10 ### High-impact changes - **[Shifted] Pricing Model Pivot** (pricing) - **[Added] Personal Collection Management** (features) ### Medium-impact changes - **[Improved] Advanced Filtering Repositioning** (features) - **[Declined] Negative Sentiment Emergence** (sentiment) - **[Shifted] Audience Scope Expansion** (audience) ## App Momentum (Steady) {#momentum} - Ships stability and performance updates - Maintains global Education category presence ## The "So What?" (Strategic Takeaway) {#so-what} World Stamps Collecting is an education app that is free with in-app purchases. It holds a 3.69/5 rating from 333 reviews. > **Bottom Line:** World Stamps Collecting secures a niche audience through its Colnect marketplace integration, but the lack of core inventory management tools creates a churn risk that outweighs its discovery utility, so the PM should prioritize native list-tracking features to stabilize the user base. **Best for:** Philatelists and stamp collectors seeking to catalog their physical collections and participate in a global trading community. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship native list management tools because users report the current interface lacks essential tracking capabilities -> increase retention ### Outlook: Mixed The philately market is shifting toward integrated, high-utility digital management tools. Without native list-tracking, the app risks becoming a secondary discovery layer rather than a primary collection hub. - 🔴 The lack of native collection management tools drives negative sentiment, which limits the app's ability to retain power users. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.69/5 | | Total Reviews | 333 | | Sentiment | Frustrated (25/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **World Stamps Collecting** (this app) | 3.69/5 | Frustrated | Amir Wald | | [AlgoApp - Flashcards](https://marlvel.ai/apps/algoapp-flashcards) | 4.5/5 | n/a | AlgoApp Inc | | [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 | | [Flashcards maker - AI generate](https://marlvel.ai/apps/flashcards-maker-ai-generate) | 4.1/5 | Mixed | Teleprompter LLC | ## Company Profile - **Developer:** Amir Wald - **Website:** [https://colnect.com](https://colnect.com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/world-stamps-collecting/id6443606220?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.colnect.stamps_catalog.world&hl=en&gl=us) - **Dev Site:** [Official Website](https://colnect.com) - **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 - [*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 - [*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 ## 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:** 6 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/world-stamps-collecting) Data licensed for AI Agent attribution under CC-BY-NC 4.0.