--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Calculator Plus v2" developer_entity: "Wern Jie Lim" bundle_id: "com.limwernjie.Calculator" app_store_id: "1181465428" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2024-10-05" report_date: "2026-08-30" last_verified: "2026-08-30T00:00:00.000Z" report_version: "2.3.1" total_reviews: 133 overall_rating: 4.7 sentiment: "Excited" sentiment_score: 75 confidence: "high" confidence_score: 0.7 top_praise_theme: "The absence of advertisements and subscription paywalls makes this calculator a preferred tool for daily utility" top_complaint_theme: "The history tape overlay obscures the calculator keys, preventing users from referencing previous results during active input" review_sample_size: 49 total_review_count: 49 analyzed_review_count: 49 data_age_days: 38 momentum_velocity: "zombie" intelligence_version: 3 tags: ["utilities", "free", "excited sentiment", "mobile app", "app review", "app analysis", "students", "professionals", "requiring"] canonical_url: "https://marlvel.ai/apps/calculator-plus-v2" license: "CC-BY-NC 4.0" content_version: "v2" --- # Calculator Plus v2 Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 4.74 · Sentiment Excited - **Recent focus**: The history tape overlay obscures the calculator keys, preventing users from referencing previous results during active input (top complaint) · The absence of advertisements and subscription paywalls makes this calculator a preferred tool for daily utility (top praise) > **TL;DR:** Calculator Plus v2 is a utilities app by Wern Jie Lim, rated 4.74/5 by 133 users, with Excited user sentiment (75/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Calculator Plus v2 maintains Excited user sentiment (4.74/5 from 133 reviews), with users consistently praising the absence of advertisements and subscription paywalls makes this calculator a preferred tool for daily utility. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.74/5 (133 reviews) | | **User Mood** | Excited | | **Category** | Utilities | | **Developer** | Wern Jie Lim | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | High (0.7/1.0) | | **Data Age** | 38d | ## Metadata & Market Performance - **Publisher:** Wern Jie Lim - **Category:** Utilities - **Target Audience:** Students and professionals requiring a scientific calculator with advanced input methods like Apple Pencil and hardware keyboards. - **Platforms:** iOS - **Version Reviewed:** 2.3.1 - **Report Date:** 2026-08-30 - **Signal Count:** 49 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 1181465428 - **Bundle ID:** com.limwernjie.Calculator - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-08-30 ## Executive Snapshot **What it is:** Calculator Plus v2 is a scientific calculator for iOS and iPadOS that supports hardware keyboards and Apple Pencil input. **Why users hire it:** The app removes the ad-supported friction found in most free calculator utilities, serving users who prioritize a clean, distraction-free interface for daily math tasks. ## App DNA (Features & Intent) - **[Differentiator] Scientific Calculator Layout:** Full scientific operation set in portrait mode via minimal UI rearrangement. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] Hardware Keyboard Input:** Full support for typing math expressions via connected hardware keyboards. - **[Differentiator] Apple Pencil Scribble:** Handwritten math input support on iPadOS using system-level Scribble integration. ## Market Position {#market-position} Calculator Plus v2 occupies a niche in the Utilities category by offering a premium, ad-free experience without a subscription model. The 4.73-star rating across 133 reviews indicates strong user satisfaction, though the 23-month update gap limits its ability to compete with more frequently updated rivals. ## Monetization Strategy - **Model:** Free - **Tiers:** Fully free app with no ads or tracking - **Analysis:** The app operates on a voluntary support model, avoiding the ad-supported monetization common in the Utilities category. ## 🟢 User Sentiment (High Confidence: 49 of 49 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.74/5 - **Platform Split:** iOS 4.7/5 (133 ratings) - **Overall Sentiment:** Excited ### Top Praises - **The absence of advertisements and subscription paywalls makes this calculator a preferred tool for daily utility** - **Apple Pencil support and split-view multitasking provide a native-feeling experience for iPad users seeking advanced calculation** - **The clean and intuitive interface allows users to perform scientific calculations without unnecessary complexity or bloatware** ### Top Complaints (Impact Areas) - **The history tape overlay obscures the calculator keys, preventing users from referencing previous results during active input** ## SWOT Analysis {#swot} **Core Strengths:** - Apple Pencil Scribble integration provides a native-feeling experience for iPad users - Hardware keyboard support enables power users to type math expressions directly - Absence of ads sustains organic install velocity among users frustrated by monetization bloat **Growth Levers:** - Persistent history sidebar implementation would resolve the top-requested UI frustration - Customization options for interface colors would allow users to match system themes ## Recent Changes (v2 → v3) {#recent-changes} The competitive outlook has shifted from stable to declining, driven by the persistent 23-month update gap and the formalization of this inactivity as a primary threat to the app's market position. **Overall trend**: Declining **Compared at**: 2026-08-30 ### High-impact changes - **[Added] Inactivity as a formal threat** (swot) ### Medium-impact changes - **[Shifted] Outlook trend downgrade** (positioning) - **[Shifted] Executive summary tone** (positioning) ## What's New - **Latest (v2.3.1, 1 years ago):** Introduced nPr/nCr functions, real-time input autocorrection, thousands separators in expressions, and customizable app icons. ## App Momentum (Zombie) {#momentum} - No updates for 23 months. - Maintains high user satisfaction rating. > **Cadence:** 1 total versions · 0 majors in last 6 months · 694 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Calculator Plus v2 is a market-leading utilities app that is completely free. With a 4.74/5 rating from 133 reviews, it delivers strong user satisfaction. > **Bottom Line:** Calculator Plus v2 maintains a loyal base through its ad-free utility, but the lack of updates since October 2024 risks obsolescence as system-level calculator features evolve. Addressing the reported order-of-operations errors would stabilize the core value proposition for professional users. **Best for:** Students and professionals requiring a scientific calculator with advanced input methods like Apple Pencil and hardware keyboards. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Audit order of operations logic because users report discrepancies in percentage calculations → restore user trust ### Outlook: Declining The Utilities market is consolidating around apps with frequent update cadences and robust cross-platform synchronization. Calculator Plus v2 remains in a maintenance-only posture, which leaves it exposed to rivals that address user-reported calculation errors and UI frustrations more rapidly. - 🔴 The 23-month update gap indicates a maintenance-only posture, which leaves the app vulnerable to rivals with active feature expansion cycles. - 🔴 Reported mathematical errors in order of operations erode the core utility, which compounds the churn risk for professional users. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.74/5 | | Total Reviews | 133 | | Sentiment | Excited (75/100) | | Confidence | High | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Calculator Plus v2** (this app) | 4.74/5 | Excited | Wern Jie Lim | | [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.9/5 | 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) | 4.5/5 | Mixed | Fuxin Technology | ## Company Profile - **Developer:** Wern Jie Lim - **Website:** [https://wern.cc/app/calculator-plus](https://wern.cc/app/calculator-plus) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/calculator-plus-v2/id1181465428?uo=4) - **Dev Site:** [Official Website](https://wern.cc/app/calculator-plus) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.9/5 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) · 4.5/5 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 ## Frequently Asked Questions {#faq} ### Is Calculator Plus v2 free to use? Yes, Calculator Plus v2 is a fully free app with no advertisements or subscription paywalls, according to the developer. ### Does Calculator Plus v2 work with Apple Pencil? Yes, the app supports Apple Pencil Scribble on iPadOS, allowing for handwritten math input. ### Is Calculator Plus v2 safe to use for complex math? While many users praise its utility, some reviews report discrepancies in percentage calculations and order of operations, so users should verify critical results. ### What is a good alternative to Calculator Plus v2? Users seeking more frequent updates or different UI layouts may consider native system calculators or other popular scientific calculator apps in the Utilities category. ## 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:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 49 - **Data Sources:** user reviews, developer website, company about page, 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:** 38 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/calculator-plus-v2) Data licensed for AI Agent attribution under CC-BY-NC 4.0.