--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Calctronics: Circuit Calc" developer_entity: "Anas Abubakar" bundle_id: "com.saulawa.CircuitCalclite" app_store_id: "1583972990" category: "Productivity" primary_platform: "ios" primary_monetization: "Free" offline_capable: true market_region: "US" platforms: "iOS" app_last_updated: "2026-08-05" report_date: "2026-08-28" last_verified: "2026-08-28T00:00:00.000Z" report_version: "10" total_reviews: 5 overall_rating: 4 confidence: "low" confidence_score: 0.05 data_age_days: 33 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["productivity", "free", "mobile app", "app review", "app analysis", "electronic", "engineering", "students"] canonical_url: "https://marlvel.ai/apps/calctronics-circuit-calc" license: "CC-BY-NC 4.0" content_version: "v2" --- # Calctronics: Circuit Calc Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Free - **Signal**: Rating 4 > **TL;DR:** Calctronics: Circuit Calc is a productivity app by Anas Abubakar, rated 4/5 by 5 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Calctronics: Circuit Calc is a productivity app by Anas Abubakar. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4/5 (5 reviews) | | **Category** | Productivity | | **Developer** | Anas Abubakar | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 33d | ## Metadata & Market Performance - **Publisher:** Anas Abubakar - **Category:** Productivity - **Target Audience:** Electronic engineering students and professional engineers requiring quick access to circuit design and analysis tools. - **Platforms:** iOS - **Version Reviewed:** 10 - **Report Date:** 2026-08-28 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 1583972990 - **Bundle ID:** com.saulawa.CircuitCalclite - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-28 ## Executive Snapshot **What it is:** Calctronics: Circuit Calc is a productivity utility for electronic engineers that provides a library of circuit design and analysis calculators on iOS. **Why users hire it:** Engineers require rapid, reliable access to complex electrical calculations in field environments where internet connectivity is often unavailable or inconsistent. ## App DNA (Features & Intent) - **[Differentiator] Filter Design Calculator:** Calculates and plots graphs for Sallen-Key, Butterworth, Chebyshev, and Bessel filters. * *User Intent:* Users want to quickly find relevant content or features. - **[Differentiator] Offline Functionality:** Operates without an active internet connection, ensuring tool reliability for field engineers. * *User Intent:* Users want uninterrupted access without internet dependency. - **[Standard] Component Design Tools:** Includes calculators for resistors, transistors, capacitors, amplifiers, and inductors. ## Market Position {#market-position} Calctronics: Circuit Calc maintains a 4-star rating on the App Store based on 5 total ratings. The lack of recent feature updates suggests a stable, maintenance-focused position rather than an aggressive growth strategy. ## Monetization Strategy - **Model:** Free - **Tiers:** Free access to all calculator tools - **Analysis:** The app operates as a free utility with no visible subscription or IAP gates, relying on broad feature availability to maintain its user base. ## SWOT Analysis {#swot} **Core Strengths:** - Offline-first architecture removes connectivity dependency for field engineers - Broad toolset covers 30+ specialized engineering calculations **Growth Levers:** - Monetization via a Pro-tier could capture value from professional users ## Recent Changes (v2 → v3) {#recent-changes} Calctronics: Circuit Calc remains in a maintenance-only state with no functional changes. The analysis now explicitly highlights the competitive threat posed by web-based calculators and the lack of cloud-sync as a primary limitation. **Overall trend**: Stable **Compared at**: 2026-08-28 ### High-impact changes - **[Added] Web-based competition threat** (swot) ### Medium-impact changes - **[Shifted] Refined weakness description** (swot) - **[Added] Cloud-sync limitation** (swot) ## What's New - **Latest (v10, 3 weeks ago):** General bug fixes and stability improvements. ## App Momentum (Maintenance) {#momentum} - Ships bug fixes at 3-week cadence. - No new feature builds recently. > **Cadence:** 1 total versions · 0 majors in last 6 months · 23 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Calctronics: Circuit Calc is a productivity app that is completely free. It holds a 4/5 rating from 5 reviews. > **Bottom Line:** Calctronics: Circuit Calc provides a reliable offline utility for engineers, but the maintenance-only cadence risks stagnation. Introducing a Pro-tier or cloud-sync features would unlock monetization and professional-grade utility, moving the app beyond a static toolset. **Best for:** Electronic engineering students and professional engineers requiring quick access to circuit design and analysis tools. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Audit user-requested tools because the current library lacks recent updates → increase utility retention ### Outlook: Stable The market for engineering utilities is consolidating around platforms that offer both offline reliability and cloud-based project management. Calctronics: Circuit Calc remains a stable, offline-first utility, but its lack of active development leaves it exposed to rivals that offer more integrated, modern workflows. - ⚪ The maintenance-only release cadence (no new features in three weeks) suggests the app is currently optimized for stability rather than growth. - 🔴 The small total rating count (5) indicates limited market penetration, which makes the app vulnerable to better-marketed web-based engineering tools. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4/5 | | Total Reviews | 5 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Calctronics: Circuit Calc** (this app) | 4/5 | N/A | Anas Abubakar | | [Mitsu: AI Life Coach](https://marlvel.ai/apps/mitsu-ai-life-coach) | N/A/5 | N/A | C2 Insights | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | | [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.6/5 | Mixed | Ciendor Holdings Corp. LTD | | [Paper: Sketch, Draw & Create](https://marlvel.ai/apps/paper-sketch-draw-create) | 4.6/5 | N/A | Evernote Corporation | | [Pattrn - Discipline Tracker](https://marlvel.ai/apps/pattrn-discipline-tracker) | 4.8/5 | Thrilled | Pedro Schott | ## Company Profile - **Developer:** Anas Abubakar ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/calctronics-circuit-calc/id1583972990?uo=4) - **Sources:** App store metadata. ## Related Intel Reports - [*Mitsu: AI Life Coach*](https://marlvel.ai/apps/mitsu-ai-life-coach) (C2 Insights) · N/A Rating - [*ChatGPT*](https://marlvel.ai/apps/chatgpt) (OpenAI OpCo, LLC) · 4.8/5 Rating - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. LTD) · 2.6/5 Rating - [*Paper: Sketch, Draw & Create*](https://marlvel.ai/apps/paper-sketch-draw-create) (Evernote Corporation) · 4.6/5 Rating - [*Pattrn - Discipline Tracker*](https://marlvel.ai/apps/pattrn-discipline-tracker) (Pedro Schott) · 4.8/5 Rating | Excellent Sentiment - [*ScreenZen- Screen Time Control*](https://marlvel.ai/apps/screenzen-screen-time-control) (ScreenZen LLC) · 4.9/5 Rating | Excellent Sentiment - [*SpaceDesk App*](https://marlvel.ai/apps/spacedesk-app) (Hawsabah) · N/A Rating - [*한음달-한국인에게 꼭 맞는 음력달력, 캘린더*](https://marlvel.ai/apps/app--103) (YunaSoft Inc.) · 4.6/5 Rating - [*바로메모 - 매일 바로 작성하는 메모장*](https://marlvel.ai/apps/cswpd-memo) (SuWon Choi) · N/A Rating - [*근로장려금 알리미 - 신청, 기준, 금액계산 가이드*](https://marlvel.ai/apps/com-swing2app-v3-d83e9bb95c05347f59ad81dea3b925ebf) (SY Company) · 3.8/5 Rating ## Frequently Asked Questions {#faq} ### Is Calctronics: Circuit Calc suitable for professional engineers? Yes, the app includes a comprehensive set of tools for circuit design and analysis, such as wave guide and filter design calculators, which are useful for both students and professionals. ### Does Calctronics: Circuit Calc require an internet connection? No, the app is designed for offline functionality, allowing engineers to perform calculations in the field without needing an active internet connection. ### What are the main limitations of Calctronics: Circuit Calc? The app is currently in a maintenance phase with no recent feature updates, and it lacks cloud-sync capabilities found in some modern engineering platforms. ## 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:** 0.05/1.0 (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:** 33 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/calctronics-circuit-calc) Data licensed for AI Agent attribution under CC-BY-NC 4.0.