--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "FX Position Size Calculator" developer_entity: "Do Tri" bundle_id: "TriDo.PositionSize" app_store_id: "1640692777" category: "Finance" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2026-03-30" report_date: "2026-05-08" report_version: "2.3" total_reviews: 220 overall_rating: 4.7 confidence: "low" confidence_score: 0.05 data_age_days: 69 intelligence_version: 2 tags: ["finance", "free", "mobile app", "app review", "app analysis", "beginner", "professional", "forex"] canonical_url: "https://marlvel.ai/apps/fx-position-size-calculator-1" license: "CC-BY-NC 4.0" content_version: "v2" last_verified: "2026-05-08T13:15:06.198Z" --- ## ⚠ 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. --- # FX Position Size Calculator App Audit ## TL;DR {#tldr} - **Category**: Finance · Free - **Signal**: Rating 4.66 > **TL;DR:** FX Position Size Calculator is a finance app by Do Tri, rated 4.66/5 by 220 users, available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** FX Position Size Calculator is a finance app by Do Tri. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.66/5 (220 reviews) | | **Category** | Finance | | **Developer** | Do Tri | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 69d | ## Metadata & Market Performance - **Publisher:** Do Tri - **Category:** Finance - **Target Audience:** Beginner and professional forex traders seeking to standardize their risk management process. - **Platforms:** iOS - **Version Audited:** 2.3 - **Audit Date:** 2026-05-08 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 1640692777 - **Bundle ID:** TriDo.PositionSize - **Data Window:** Analysis based on signals collected up to 2026-05-08 ## Executive Snapshot The FX Position Size Calculator is a financial tool designed to help traders calculate optimal trade sizes based on account risk and stop-loss distance. It supports major and cross currency pairs while offering offline functionality for risk management calculations. ## App DNA (Features & Intent) - **[Standard] Risk-Based Calculation:** Determines position size using either a percentage of the account or a fixed monetary amount. - **[Standard] Currency Pair Support:** Provides compatibility with all major and cross currency pairs with adjustable exchange rates. * *User Intent:* Users seek enhanced value through premium features. - **[Standard] Offline Functionality:** Allows users to perform calculations without an active internet connection. * *User Intent:* Users want uninterrupted access without internet dependency. - **[Standard] Calculation Persistence:** Automatically saves the most recent calculation parameters for quick reuse. ## Monetization Strategy - **Model:** Free ## The "So What?" (Strategic Takeaway) {#so-what} FX Position Size Calculator is an established finance app that is completely free. With a 4.66/5 rating from 220 reviews, it shows polarized user reception. > **Bottom Line:** This is a utility-focused tool that simplifies the manual math required for forex risk management. **Best for:** Beginner and professional forex traders seeking to standardize their risk management process. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.66/5 | | Total Reviews | 220 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 4 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **FX Position Size Calculator** (this app) | 4.66/5 | N/A | Do Tri | | [Polymarket](https://marlvel.ai/apps/polymarket) | 3.3/5 | Upset | Polymarket | | [Fidelity Investments](https://marlvel.ai/apps/fidelity-investments) | 4.5/5 | Frustrated | Fidelity Investments | | [Webull: Investing & Trading](https://marlvel.ai/apps/webull-investing-trading) | 4.6/5 | Mixed | Webull Technologies Pte. Ltd. | | [Kalshi: Trade News & Sports](https://marlvel.ai/apps/kalshi-trade-news-sports) | 4.6/5 | Mixed | KalshiEX LLC | | [rapid! Pay](https://marlvel.ai/apps/rapid-pay) | 4.4/5 | N/A | Green Dot Corporation | ## Company Profile - **Developer:** Do Tri - **Website:** [https://vnmobilesolutions.com](https://vnmobilesolutions.com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/fx-position-size-calculator/id1640692777?uo=4) - **Dev Site:** [Official Website](https://vnmobilesolutions.com) - **Sources:** App store metadata. ## Related Intel Reports - [*Polymarket*](https://marlvel.ai/apps/polymarket) (Polymarket) — 3.3/5 Rating | Terrible Sentiment - [*Fidelity Investments*](https://marlvel.ai/apps/fidelity-investments) (Fidelity Investments) — 4.5/5 Rating | Negative Sentiment - [*Webull: Investing & Trading*](https://marlvel.ai/apps/webull-investing-trading) (Webull Technologies Pte. Ltd.) — 4.6/5 Rating | Mixed Sentiment - [*Kalshi: Trade News & Sports*](https://marlvel.ai/apps/kalshi-trade-news-sports) (KalshiEX LLC) — 4.6/5 Rating | Mixed Sentiment - [*rapid! Pay*](https://marlvel.ai/apps/rapid-pay) (Green Dot Corporation) — 4.4/5 Rating | N/A Sentiment - [*hurdlr*](https://marlvel.ai/apps/hurdlr) (Reuben Omolu) — 4.3/5 Rating | N/A Sentiment - [*365-day savings plan-Easy Goal*](https://marlvel.ai/apps/365-day-savings-plan-easy-goal) (永文 胡) — N/A Rating | N/A Sentiment - [*J.P. Morgan Mobile*](https://marlvel.ai/apps/j-p-morgan-mobile) (JPMorgan Chase & Co.) — 4.5/5 Rating | N/A Sentiment - [*Prestmit: Gift Cards & Coins*](https://marlvel.ai/apps/prestmit-gift-cards-coins) (Prestmit Technologies LTD.) — 4.5/5 Rating | N/A Sentiment - [*Shoes Clothing Store Master HD*](https://marlvel.ai/apps/shoes-clothing-store-master-hd) (永文 胡) — N/A Rating | N/A Sentiment ## 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 and evidence quoting. 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:** 0.05/1.0 (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:** 69 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/fx-position-size-calculator-1) Data licensed for AI Agent attribution under CC-BY-NC 4.0.