--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Cuspart: Calculator+" developer_entity: "Mustafa Tolga DALBUDAK" bundle_id: "com.calculator.Calculator-Pro-App" app_store_id: "1572084996" google_play_id: "com.google.android.calculator" category: "Utilities" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-03-23" report_date: "2026-08-01" last_verified: "2026-08-01T00:00:00.000Z" report_version: "9.1 (886477075)" total_reviews: 766861 overall_rating: 4.4 sentiment: "Mixed" sentiment_score: 55 confidence: "medium" confidence_score: 0.55 top_praise_theme: "The core calculator functionality provides a reliable and helpful tool for daily math tasks" top_complaint_theme: "The latest update removed the running total preview which forces users to press equals repeatedly" review_sample_size: 50 total_review_count: 50 analyzed_review_count: 50 data_age_days: 15 momentum_velocity: "maintenance" intelligence_version: 4 nemesis: "Calculator +" competitor_count: 11 tags: ["utilities", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "students", "professionals", "requiring"] canonical_url: "https://marlvel.ai/apps/cuspart-calculator-1" license: "CC-BY-NC 4.0" content_version: "v2" --- # Cuspart: Calculator+ Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Freemium - **Signal**: Rating 4.35 · Sentiment Mixed - **Recent focus**: The latest update removed the running total preview which forces users to press equals repeatedly (top complaint) · The core calculator functionality provides a reliable and helpful tool for daily math tasks (top praise) > **TL;DR:** Cuspart: Calculator+ is a utilities app by Mustafa Tolga DALBUDAK, rated 4.35/5 by 766.9K users, with Mixed user sentiment (55/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Cuspart: Calculator+ shows Mixed sentiment (4.35/5 from 766.9K reviews) - users praise the core calculator functionality provides a reliable and helpful tool for daily math tasks but report issues with the latest update removed the running total preview which forces users to press equals repeatedly. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.35/5 (766.9K reviews) | | **User Mood** | Mixed | | **Category** | Utilities | | **Developer** | Mustafa Tolga DALBUDAK | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.55/1.0) | | **Data Age** | 15d | ## Metadata & Market Performance - **Publisher:** Mustafa Tolga DALBUDAK - **Category:** Utilities - **Target Audience:** Students and professionals requiring a multi-functional calculator for basic and advanced mathematical operations. - **Platforms:** iOS & Android - **Version Reviewed:** 3.3.4550 - **Report Date:** 2026-08-01 - **Signal Count:** 50 reviews analyzed - **Confidence:** Medium (0.55/1.0) - **App Store ID (iOS):** 1572084996 - **Bundle ID:** com.calculator.Calculator-Pro-App - **Google Play ID:** com.google.android.calculator - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-08-01 ## Executive Snapshot **What it is:** Cuspart: Calculator+ is a scientific calculator for students and professionals on iOS and Android. **Why users hire it:** It serves users who need to perform complex trigonometric and logarithmic calculations that exceed the capabilities of basic system-bundled tools. ## App DNA (Features & Intent) - **[Standard] Scientific Calculator Functions:** Includes trigonometric, logarithmic, hyperbolic, and exponential functions alongside basic arithmetic. - **[Differentiator] Interface Customization:** Allows users to modify interface colors and toggle between dark and light themes. * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] Subscription-based Model:** Optional auto-renewing subscription for access to advanced features. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Cuspart: Calculator+ maintains a presence in the Tools category with a 4.35 rating across 766,861 ratings. The high volume of ratings relative to its current maintenance-mode release cadence suggests a legacy user base that is increasingly frustrated by recent UI regressions. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with basic and advanced functions, Optional auto-renewing subscription - **Analysis:** Freemium model allows free access to core functions while gating advanced features behind an optional subscription. ## 🟡 User Sentiment (Medium Confidence: 50 of 50 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.35/5 - **Platform Split:** Android 4.4/5 (766.9K ratings) - **Overall Sentiment:** Mixed ### Top Praises - **The core calculator functionality provides a reliable and helpful tool for daily math tasks** ### Top Complaints (Impact Areas) - **The latest update removed the running total preview which forces users to press equals repeatedly** ## SWOT Analysis {#swot} **Core Strengths:** - Interface customization increases time-in-app - Scientific function library supports academic workflows **Growth Levers:** - Add graphing module to compete with nemesis - Restore conversion tools to mitigate power-user churn ## Recent Changes (v3 → v4) {#recent-changes} The app's competitive position has declined due to the removal of power-user features in the latest update, which triggered negative sentiment and forced a pivot in the product roadmap. **Overall trend**: Declining **Compared at**: 2026-08-01 ### High-impact changes - **[Declined] Sentiment score drop** (sentiment) - **[Removed] Loss of core utility features** (features) ### Medium-impact changes - **[Added] New negative SWOT factors** (swot) - **[Shifted] PM action item pivot** (positioning) ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Cuspart: Calculator+ vs Calculator + - **[Calculator +](https://marlvel.ai/apps/calculator-16)** by xNeat.com: This app is a direct nemesis because it occupies the same high-volume utility space, offering a nearly identical suite of scientific and advanced mathematical solvers to the same core user base. - **Key differences:** - Offers integrated graphing capabilities which are currently absent from this app's feature set - Maintains a significantly higher release cadence, allowing for faster response to user-reported bugs and requests ### Contenders (Strong Challengers) - **[Basic Calculator: Classic Calc](https://marlvel.ai/apps/basic-calculator-classic-calc)** by MobArts: This app competes by leveraging a classic, familiar interface that appeals to users who prefer traditional calculator layouts over modern, feature-heavy designs. - Optimized for iPad multitasking, allowing users to run the calculator alongside other productivity applications - Maintains a high-precision display that ensures accuracy for complex calculations without sacrificing the classic look - **[Triangle Calc A](https://marlvel.ai/apps/com-creamworks-sankakukei)** by kohei yamane: This app competes by offering a highly specialized, vertical-specific solver that captures users needing professional-grade trigonometry tools. - Focuses exclusively on right triangle solving, providing a more efficient workflow for specific engineering tasks - Utilizes a minimalist interface that removes all non-essential buttons to ensure zero distraction during calculations - **[Dash Calc: Simple Fast Math](https://marlvel.ai/apps/dash-calc-simple-fast-math)** by Enbright LLC: This app competes on speed and modern UX, targeting users who prioritize a frictionless, minimalist experience for daily calculations. - Features live, real-time results that update instantly as the user types their mathematical expression - Includes dedicated modes for currency conversion, expanding utility beyond pure mathematics into daily financial tasks - **[Calculator for iPad!](https://marlvel.ai/apps/calculator-for-ipad-1)** by 7th Gear: This app competes by targeting the tablet-specific utility market, offering advanced features like notes and drawing that appeal to students and professionals. - Includes a dedicated notes and drawing tab for annotating complex mathematical problems during study sessions - Provides high-precision math output specifically optimized for the larger screen real estate of an iPad ### Peers (What They Do Better) - **[Easy Converter - unit convert](https://marlvel.ai/apps/easy-converter-unit-convert)** by 福恩 毛: This app addresses the same need for quick, multi-category unit conversion, targeting users who value simplicity and speed. - Features a one-tap unit swap function that significantly reduces the time required for frequent conversions - Maintains a lightweight footprint, making it an ideal choice for users with limited device storage - **[Unit Converter Pro](https://marlvel.ai/apps/unit-converter-pro)** by Oyku Gul Imran: This app competes for the same productivity-minded users by offering advanced expression-based input for complex unit conversions. - Allows users to define their own custom units, providing flexibility for niche scientific or industrial applications - Supports complex expression input, enabling users to perform calculations and conversions in a single step - **[Unit Converter For Engineers](https://marlvel.ai/apps/unit-converter-for-engineers)** by Amanuel Abebaw: This app overlaps with this app's utility category by providing specialized conversion tools for technical and engineering workflows. - Provides a deep library of specialized engineering units not found in general-purpose calculator or converter apps - Ensures full offline functionality, making it reliable for field engineers working in remote or low-connectivity environments - **[Quick Unit Converter: All in 1](https://marlvel.ai/apps/quick-unit-converter-all-in-1)** by Moaaz Afzal: This app serves the same productivity-focused audience by providing essential conversion tools that complement standard calculator usage. - Includes a home screen widget for rapid unit conversions without needing to open the full application - Supports offline currency conversion, which is a critical feature for travelers and international business users ### New Kids on the Block (What's Innovative) - **[Age Calculator – Date Counter](https://marlvel.ai/apps/age-calculator-date-counter)** by Mustafa Kulac: This app targets the utility niche by providing specialized time-tracking and date-counting features for personal and professional use. - Includes live time tracking and historical context features that differentiate it from static date calculators - **[Date Calculator - DateMath](https://marlvel.ai/apps/date-calculator-datemath)** by 亦彬 潘: This newcomer enters the utility space by solving specific date-based math problems that are often requested as secondary features in calculators. - Offers a time-precision mode for calculating exact intervals between dates, including hours and minutes ## What's New - **Latest (v9.1 (886477075), 1 months ago):** Updated UI to Material 3 Expressive design. ## App Momentum (Maintenance) {#momentum} - Ships bug fixes at 6-week cadence. - Updated UI to Material 3 design. > **Cadence:** 2 total versions · 1 majors in last 6 months · 57 days since last update · 449 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Cuspart: Calculator+ is an utilities app that is free with in-app purchases. With a 4.35/5 rating from 766.9K reviews, it shows mixed user reception. > **Bottom Line:** Restoring the running total preview would address the primary friction point driving negative sentiment, as the current UI-first approach alienates the power users who rely on the app for complex calculations. **Best for:** Students and professionals requiring a multi-functional calculator for basic and advanced mathematical operations. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Restore running total preview because it is the top-cited workflow regression → reduce churn ### Feature Gaps vs Competitors - Integrated graphing capabilities (available in Calculator + but absent here) ### Outlook: Declining The utility calculator market is consolidating around apps that offer advanced graphing and specialized engineering tools. Cuspart: Calculator+ remains exposed to churn as long as it prioritizes UI changes over the restoration of core workflow features that power users demand. - 🔴 The removal of power-user features in the latest update triggers a wave of negative reviews, eroding the app's long-term retention. - 🔴 The lack of graphing capabilities leaves the app vulnerable to rivals that provide comprehensive mathematical solvers for students. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.35/5 | | Total Reviews | 766.9K | | Sentiment | Mixed (55/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Cuspart: Calculator+** (this app) | 4.35/5 | Mixed | Mustafa Tolga DALBUDAK | | [Triangle Calc A](https://marlvel.ai/apps/com-creamworks-sankakukei) | N/A/5 | N/A | kohei yamane | | [Dash Calc: Simple Fast Math](https://marlvel.ai/apps/dash-calc-simple-fast-math) | 5.0/5 | Thrilled | Enbright LLC | | [Basic Calculator: Classic Calc](https://marlvel.ai/apps/basic-calculator-classic-calc) | 4.8/5 | N/A | MobArts | | [Age Calculator – Date Counter](https://marlvel.ai/apps/age-calculator-date-counter) | N/A/5 | N/A | Mustafa Kulac | | [Unit Converter For Engineers](https://marlvel.ai/apps/unit-converter-for-engineers) | 5.0/5 | N/A | Amanuel Abebaw | ## Company Profile - **Developer:** Mustafa Tolga DALBUDAK ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/cuspart-calculator/id1572084996?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.google.android.calculator&hl=en&gl=us) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Triangle Calc A*](https://marlvel.ai/apps/com-creamworks-sankakukei) (kohei yamane) · N/A Rating - [*Dash Calc: Simple Fast Math*](https://marlvel.ai/apps/dash-calc-simple-fast-math) (Enbright LLC) · 5.0/5 Rating | Excellent Sentiment - [*Basic Calculator: Classic Calc*](https://marlvel.ai/apps/basic-calculator-classic-calc) (MobArts) · 4.8/5 Rating - [*Age Calculator – Date Counter*](https://marlvel.ai/apps/age-calculator-date-counter) (Mustafa Kulac) · N/A Rating - [*Unit Converter For Engineers*](https://marlvel.ai/apps/unit-converter-for-engineers) (Amanuel Abebaw) · 5.0/5 Rating - [*Calculator +*](https://marlvel.ai/apps/calculator-16) (xNeat.com) · 4.6/5 Rating | Positive Sentiment - [*Quick Unit Converter: All in 1*](https://marlvel.ai/apps/quick-unit-converter-all-in-1) (Moaaz Afzal) · 5.0/5 Rating - [*Unit Converter Pro*](https://marlvel.ai/apps/unit-converter-pro) (Oyku Gul Imran) · 4.7/5 Rating | Excellent Sentiment - [*Easy Converter - unit convert*](https://marlvel.ai/apps/easy-converter-unit-convert) (福恩 毛) · 4.5/5 Rating - [*Calculator for iPad!*](https://marlvel.ai/apps/calculator-for-ipad-1) (7th Gear) · 4.7/5 Rating ## Frequently Asked Questions {#faq} ### Is Cuspart: Calculator+ good for advanced math? Yes, it includes scientific, trigonometric, and logarithmic functions, though users report that recent updates removed some conversion tools and the running total preview. ### How does Cuspart compare to Calculator +? Calculator + offers integrated graphing capabilities which are currently absent from Cuspart, making it a more comprehensive tool for advanced mathematics students. ### Does this app have intrusive ads or permissions? Users have expressed concern regarding the app's requirement for full network access, which many find unnecessary for a basic calculator tool. ### What is a free alternative to Cuspart? Users seeking a more minimalist experience might consider Dash Calc, while those needing graphing tools should look at Calculator +. ## 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:** 0.55/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 50 - **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:** 15 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/cuspart-calculator-1) Data licensed for AI Agent attribution under CC-BY-NC 4.0.