--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Xmart Calculator Pro" developer_entity: "XHLIU" bundle_id: "com.xmartsoft.XmartCalc" app_store_id: "827740598" category: "Utilities" primary_platform: "ios" primary_monetization: "Paid" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2023-08-04" report_date: "2026-09-10" last_verified: "2026-09-10T00:00:00.000Z" report_version: "4.1.4" total_reviews: 153 overall_rating: 4.4 sentiment: "Thrilled" sentiment_score: 85 confidence: "medium" confidence_score: 0.6 top_praise_theme: "Customizable function saving and calculation history tracking significantly reduce repetitive data entry for power users" top_complaint_theme: "Removal of the save button in recent builds prevents users from storing calculations to their history" review_sample_size: 49 total_review_count: 49 analyzed_review_count: 49 data_age_days: 21 momentum_velocity: "zombie" intelligence_version: 3 tags: ["utilities", "paid", "thrilled sentiment", "mobile app", "app review", "app analysis", "professionals", "students", "perform"] canonical_url: "https://marlvel.ai/apps/xmart-calculator-pro" 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. --- # Xmart Calculator Pro Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Paid - **Signal**: Rating 4.44 · Sentiment Thrilled - **Recent focus**: Removal of the save button in recent builds prevents users from storing calculations to their history (top complaint) · Customizable function saving and calculation history tracking significantly reduce repetitive data entry for power users (top praise) > **TL;DR:** Xmart Calculator Pro is a utilities app by XHLIU, rated 4.44/5 by 153 users, with Thrilled user sentiment (85/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Xmart Calculator Pro maintains Thrilled user sentiment (4.44/5 from 153 reviews), with users consistently praising customizable function saving and calculation history tracking significantly reduce repetitive data entry for power users. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.44/5 (153 reviews) | | **User Mood** | Thrilled | | **Category** | Utilities | | **Developer** | XHLIU | | **Pricing** | Paid | | **Platforms** | iOS | | **Confidence** | Medium (0.6/1.0) | | **Data Age** | 21d | ## Metadata & Market Performance - **Publisher:** XHLIU - **Category:** Utilities - **Target Audience:** Professionals and students who perform repetitive, complex calculations and require a programmable, traceable interface. - **Platforms:** iOS - **Version Reviewed:** 4.1.4 - **Report Date:** 2026-09-10 - **Signal Count:** 49 reviews analyzed - **Confidence:** Medium (0.6/1.0) - **App Store ID (iOS):** 827740598 - **Bundle ID:** com.xmartsoft.XmartCalc - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-09-10 ## Executive Snapshot **What it is:** Xmart Calculator Pro is a programmable, text-expression-based calculator for iOS that allows users to define custom algebra functions. **Why users hire it:** It removes the cognitive friction of repetitive manual entry by enabling users to save and recall complex, multi-parameter algebraic formulas. ## App DNA (Features & Intent) - **[Differentiator] Algebraic Function Definition:** Users define custom algebra functions with up to 9 parameters for repeated calculations. * *User Intent:* Users value self-expression and personalized experiences. - **[Differentiator] Text-Expression Calculation:** Calculates results instantly as expressions are typed, removing the need for an equals button. - **[Standard] Traceable History:** Records step-by-step calculation details with options to label and recall items. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. ## Market Position {#market-position} Xmart Calculator Pro occupies the professional utility space with a $5.99 price point. The lack of updates for over 1,100 days signals a maintenance-mode posture that risks losing ground to more active competitors. ## Monetization Strategy - **Model:** Paid - **Tiers:** Single purchase at $5.99 - **Price:** iOS: $5.99 - **Analysis:** The app utilizes a one-time purchase model at $5.99, positioning it as a professional utility rather than a subscription-based service. ## 🟢 User Sentiment (Medium Confidence: 49 of 49 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.44/5 - **Platform Split:** iOS 4.4/5 (153 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **Customizable function saving and calculation history tracking significantly reduce repetitive data entry for power users** - **Visual personalization options like color schemes allow users to tailor the interface to their personal preference** - **Responsive developer support and diligent bug fixing foster strong user loyalty and high satisfaction levels** ### Top Complaints (Impact Areas) - **Removal of the save button in recent builds prevents users from storing calculations to their history** ## SWOT Analysis {#swot} **Core Strengths:** - Custom algebra function definition creates a defensible barrier for power users - Real-time expression parsing removes the equals-button friction **Growth Levers:** - Tablet-optimized interface would capture the academic segment requesting fraction support ## Recent Changes (v2 → v3) {#recent-changes} The app remains in a stagnant state with no functional changes, but the intelligence report now emphasizes the heightened risk of user churn caused by the 1,133-day development gap and the persistent save-button regression. **Overall trend**: Declining **Compared at**: 2026-09-10 ### High-impact changes - **[Shifted] Outlook Narrative** (outlook) ### Medium-impact changes - **[Shifted] Threats Refinement** (swot) - **[Shifted] Executive Summary Tone** (positioning) ## What's New - **Latest (v4.1.4, 3 years ago):** Maintenance release focused on watchOS 27 compatibility, bug fixes, and performance improvements. ## App Momentum (Zombie) {#momentum} - Quiet 37 months, maintenance mode only. - Last major release August 2023. > **Cadence:** 1 total versions · 0 majors in last 6 months · 1132 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Xmart Calculator Pro is a market-leading utilities app that is a paid app. With a 4.44/5 rating from 153 reviews, it delivers strong user satisfaction. > **Bottom Line:** Restoring the save button functionality is the immediate priority, as the current regression breaks the core utility that justifies the $5.99 price point. Addressing this stability gap will protect the existing user base from churn while the developer evaluates a tablet-native interface. **Best for:** Professionals and students who perform repetitive, complex calculations and require a programmable, traceable interface. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship hotfix to restore save button functionality because it is the top-reported regression → stabilize user retention ### Outlook: Declining The category is shifting toward more frequent, feature-rich updates that leverage modern OS capabilities. Xmart Calculator Pro's stagnant development cadence leaves it exposed to churn, as users increasingly expect active support for new hardware and screen sizes. - 🔴 The 1,133-day update gap suggests the app is in maintenance mode, which prevents feature expansion and erodes long-term competitive relevance. - 🔴 The latest update introduced a regression that prevents saving to history, directly impacting the primary value proposition for power users. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.44/5 | | Total Reviews | 153 | | Sentiment | Thrilled (85/100) | | Confidence | Medium | | Pricing Model | Paid | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Xmart Calculator Pro** (this app) | 4.44/5 | Thrilled | XHLIU | | [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.8/5 | N/A | Cat Connect | | [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.4/5 | Mixed | Fuxin Technology | ## Company Profile - **Developer:** XHLIU - **Website:** [https://apps.apple.com/us/developer/xhliu/id460419472?uo=4](https://apps.apple.com/us/developer/xhliu/id460419472?uo=4) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/xmart-calculator-pro/id827740598?uo=4) - **Dev Site:** [Official Website](https://apps.apple.com/us/developer/xhliu/id460419472?uo=4) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.8/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.4/5 Rating - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating - [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating - [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating - [*도사폰 (만세력 역학도구)*](https://marlvel.ai/apps/app--656) (Softchaser Company Limited) · 5.0/5 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 49 - **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:** 21 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/xmart-calculator-pro) Data licensed for AI Agent attribution under CC-BY-NC 4.0.