--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Currency Calculator - Exchange Rate" developer_entity: "学成 黄" bundle_id: "com.newsky.CurrencyTrip" app_store_id: "975040188" category: "Travel" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2017-03-15" report_date: "2026-08-15" last_verified: "2026-08-15T00:00:00.000Z" report_version: "4.0.0" total_reviews: 0 confidence: "low" confidence_score: 0.15 data_age_days: 1 momentum_velocity: "zombie" intelligence_version: 3 tags: ["travel", "free", "mobile app", "app review", "app analysis", "travelers", "individuals", "seeking"] canonical_url: "https://marlvel.ai/apps/currency-calculator-exchange-rate" license: "CC-BY-NC 4.0" content_version: "v2" --- ## ⚠ Content Warning This report covers topics classified as sensitive (finance). Information is aggregated from public sources for informational purposes only. This is not financial or investment advice. Always do your own research. --- # Currency Calculator - Exchange Rate Intelligence Report ## TL;DR {#tldr} - **Category**: Travel · Free > **TL;DR:** Currency Calculator - Exchange Rate is a travel app by 学成 黄, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Currency Calculator - Exchange Rate is a travel app by 学成 黄. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Travel | | **Developer** | 学成 黄 | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.15/1.0) | | **Data Age** | 1d | ## Metadata & Market Performance - **Publisher:** 学成 黄 - **Category:** Travel - **Target Audience:** Travelers and individuals seeking basic currency conversion and educational information on foreign exchange markets. - **Platforms:** iOS - **Version Reviewed:** 4.0.0 - **Report Date:** 2026-08-15 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.15/1.0) - **App Store ID (iOS):** 975040188 - **Bundle ID:** com.newsky.CurrencyTrip - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-15 ## Executive Snapshot **What it is:** Currency Calculator - Exchange Rate is a travel utility app that provides currency conversion and educational text on foreign exchange mechanics for iOS users. **Why users hire it:** The app serves users who need a conceptual understanding of exchange rates and historical economic context, rather than just a real-time conversion tool. ## App DNA (Features & Intent) - **[Standard] Currency Exchange Calculation:** Converts values between two currencies based on exchange rates. - **[Differentiator] Economic Context Education:** Provides textual explanations of exchange rate mechanics, gold standard history, and import/export impacts. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Currency Calculator - Exchange Rate holds a legacy position in the Travel category, with no updates since 2017. The absence of live market data integration positions it as a static educational reference rather than a competitive financial tool. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is listed as free with no observable in-app purchases or subscription tiers. ## SWOT Analysis {#swot} **Core Strengths:** - Educational content provides conceptual differentiation **Growth Levers:** - Live market data integration could restore utility ## Recent Changes (v2 → v3) {#recent-changes} The app's competitive positioning shifted from a failed financial tool to a static educational reference. No functional updates or changes to the core product occurred. **Overall trend**: Stable **Compared at**: 2026-08-15 ### Medium-impact changes - **[Shifted] Refined Market Positioning** (positioning) ### Low-impact changes - **[Shifted] SWOT Item Rephrasing** (swot) ## What's New - **Latest (v4.0.0, 9 years ago):** General bug fix and stability update. ## App Momentum (Zombie) {#momentum} - Dormant since March 2017. - No feature updates in nine years. > **Cadence:** 1 total versions · 0 majors in last 6 months · 3439 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Currency Calculator - Exchange Rate is a travel app that is completely free. > **Bottom Line:** Currency Calculator - Exchange Rate functions as a static educational reference, but the lack of live rate updates limits its utility for modern travelers. **Best for:** Travelers and individuals seeking basic currency conversion and educational information on foreign exchange markets. ### PM Action Plan (Next Best Moves) - [ ] [SUNSET] Sunset the app because the lack of live data makes it obsolete for travelers → reduce maintenance overhead ### Outlook: Declining The travel utility market has consolidated around apps providing real-time, automated exchange rates. Currency Calculator - Exchange Rate remains in a dormant state, which makes it increasingly irrelevant as a functional tool for current travelers. - 🔴 The nine-year update gap signals a complete lack of maintenance, which ensures the app cannot compete with modern, live-data travel tools. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 2 analyzed | | Trend | Stable | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Currency Calculator - Exchange Rate** (this app) | N/A/5 | N/A | 学成 黄 | | [กิจวัตรมุสลิมไทย](https://marlvel.ai/apps/th-co-mtel-muslimdailythai) | N/A/5 | N/A | Mudarmeen Munlin | | [108 Divyadesam Navigator](https://marlvel.ai/apps/com-rsunda12-divyadesams) | N/A/5 | N/A | Rajagopal Sundarrajan | | [1Call Taxi](https://marlvel.ai/apps/1call-taxi) | 5.0/5 | N/A | Ardalan Hussein | | [1st Central Connect](https://marlvel.ai/apps/1st-central-connect) | 3.0/5 | N/A | Cambridge Mobile Telematics Inc. | | [24Seven Taxi Driver](https://marlvel.ai/apps/24seven-taxi-driver) | 5.0/5 | N/A | 24Seven Taxi Dispatch, LLC | ## Company Profile - **Developer:** 学成 黄 - **Website:** [https://doutushe.com](https://doutushe.com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/currency-calculator-exchange-rate/id975040188?uo=4) - **Dev Site:** [Official Website](https://doutushe.com) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*กิจวัตรมุสลิมไทย*](https://marlvel.ai/apps/th-co-mtel-muslimdailythai) (Mudarmeen Munlin) · N/A Rating - [*108 Divyadesam Navigator*](https://marlvel.ai/apps/com-rsunda12-divyadesams) (Rajagopal Sundarrajan) · N/A Rating - [*1Call Taxi*](https://marlvel.ai/apps/1call-taxi) (Ardalan Hussein) · 5.0/5 Rating - [*1st Central Connect*](https://marlvel.ai/apps/1st-central-connect) (Cambridge Mobile Telematics Inc.) · 3.0/5 Rating - [*24Seven Taxi Driver*](https://marlvel.ai/apps/24seven-taxi-driver) (24Seven Taxi Dispatch, LLC) · 5.0/5 Rating - [*24Seven Taxi Service*](https://marlvel.ai/apps/24seven-taxi-service) (My Taxi Ride Inc.) · N/A Rating - [*2 one day trips Tokyo suburbs*](https://marlvel.ai/apps/2-one-day-trips-tokyo-suburbs) (mlet co.,ltd) · N/A Rating - [*360 Central Park AR NYC Map*](https://marlvel.ai/apps/com-vues-360centralpark) (Vadym Ustymenko) · N/A Rating - [*360 LA Los Angeles AR Map*](https://marlvel.ai/apps/360-la-los-angeles-ar-map) (Vadym Ustymenko) · 5.0/5 Rating - [*360 NYC: New York City AR Map*](https://marlvel.ai/apps/com-vues-360nyc) (Vadym Ustymenko) · 4.0/5 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:** 0.15/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 1 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/currency-calculator-exchange-rate) Data licensed for AI Agent attribution under CC-BY-NC 4.0.