--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Calculator·" developer_entity: "Tim O's Studios, LLC" bundle_id: "com.iutilityapps.calculator" app_store_id: "554836784" google_play_id: "com.google.android.calculator" category: "Utilities" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-03-23" report_date: "2026-05-06" report_version: "9.1 (886477075)" total_reviews: 798885 overall_rating: 4.4 sentiment: "Mixed" sentiment_score: 65 confidence: "high" confidence_score: 0.7 top_praise_theme: "Simple and accurate calculation interface provides reliable utility for everyday household budget management tasks" top_complaint_theme: "Post-update UI regressions remove critical features like real-time sum display and quick answer feedback" review_sample_size: 99 total_review_count: 99 analyzed_review_count: 99 data_age_days: 102 momentum_velocity: "maintenance" intelligence_version: 3 nemesis: "Calculator₊" competitor_count: 6 tags: ["utilities", "subscription", "mixed sentiment", "mobile app", "app review", "app analysis", "users", "seeking", "simple,"] canonical_url: "https://marlvel.ai/apps/calculator" license: "CC-BY-NC 4.0" content_version: "v2" last_verified: "2026-05-06T00:00:00.000Z" --- # Calculator· Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Subscription - **Signal**: Rating 4.37 · Sentiment Mixed - **Recent focus**: Post-update UI regressions remove critical features like real-time sum display and quick answer feedback (top complaint) · Simple and accurate calculation interface provides reliable utility for everyday household budget management tasks (top praise) > **TL;DR:** Calculator· is a utilities app by Tim O's Studios, LLC, rated 4.37/5 by 798.9K users, with Mixed user sentiment (65/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Calculator· shows Mixed sentiment (4.37/5 from 798.9K reviews) — users praise simple and accurate calculation interface provides reliable utility for everyday household budget management tasks but report issues with post-update ui regressions remove critical features like real-time sum display and quick answer feedback. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.37/5 (798.9K reviews) | | **User Mood** | Mixed | | **Category** | Utilities | | **Developer** | Tim O's Studios, LLC | | **Pricing** | Subscription | | **Platforms** | iOS & Android | | **Confidence** | High (0.7/1.0) | | **Data Age** | 102d | ## Metadata & Market Performance - **Publisher:** Tim O's Studios, LLC - **Category:** Utilities - **Target Audience:** Users seeking a simple, multi-platform calculator utility with optional advanced functions for tablet and wearable devices. - **Platforms:** iOS & Android - **Version Reviewed:** 5.3 - **Report Date:** 2026-05-06 - **Signal Count:** 99 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 554836784 - **Bundle ID:** com.iutilityapps.calculator - **Google Play ID:** com.google.android.calculator - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-05-06 - **Short Description:** A simple calculator utility for Android ## Executive Snapshot **What it is:** Calculator· is a utility app providing basic arithmetic and advanced math functions across iOS and Android. **Why users hire it:** Users hire the app for low-friction, everyday calculation tasks that avoid the complexity of feature-heavy alternatives. ## App DNA (Features & Intent) - **[Basic] Basic Arithmetic:** Addition, subtraction, multiplication, division, and percentage calculations. - **[Differentiator] iPad Split View:** Allows concurrent app usage on iPad. - **[Standard] Advanced Math Functions:** Square, square root, and inverse functions. ## Market Position {#market-position} The app maintains a high rating of 4.85 across 34,074 iOS reviews, but recent technical instability in the latest release threatens its standing against high-velocity rivals. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Free tier, Premium Access (1-month or 1-year) - **Analysis:** Monetization relies on a subscription model for premium features, with a trial period to lower the barrier to entry. ## 🟡 User Sentiment (High Confidence: 99 of 99 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.37/5 - **Platform Split:** iOS 4.9/5 (34.1K ratings) | Android 4.4/5 (764.8K ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Simple and accurate calculation interface provides reliable utility for everyday household budget management tasks** ### Top Complaints (Impact Areas) - **Post-update UI regressions remove critical features like real-time sum display and quick answer feedback** ## SWOT Analysis {#swot} **Core Strengths:** - Clean interface avoids feature bloat - Apple Watch support increases engagement frequency **Growth Levers:** - Integration of currency and unit converters ## Recent Changes (v2 → v3) {#recent-changes} The app transitioned to a subscription-based model and experienced a decline in user sentiment due to technical regressions and feature removals in the latest update. **Overall trend**: Declining **Compared at**: 2026-05-06 ### High-impact changes - **[Shifted] Subscription Model Adoption** (pricing) - **[Declined] Emergence of Critical Complaints** (sentiment) - **[Removed] Loss of Productivity Features** (features) ### Medium-impact changes - **[Added] New Weaknesses and Threats** (swot) ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Calculator· vs Calculator₊ - **[Calculator₊](https://marlvel.ai/apps/com-itwcalculator-calculatorforipadfree)** by Impala Studios: With over 1.7 million ratings and a high-velocity release cadence of 9 updates in six months, this app dominates the utility calculator space. - **Key differences:** - Maintains a high-frequency update cycle that consistently outpaces this app's development velocity. - Offers a mature, feature-rich interface that has been refined through over a decade of user feedback. - Leverages a massive install base to maintain top-tier visibility in the Utilities category. ### Contenders (Strong Challengers) - **[Calculator!](https://marlvel.ai/apps/com-7thg-calculator)** by 7th Gear: A direct utility competitor with a massive user base and established presence in the same category. - Provides a standardized calculator experience that competes directly for the default utility slot on user devices. - Benefits from long-term brand recognition within the Utilities category, creating a high barrier to entry. - **[Calculator](https://marlvel.ai/apps/calculator-8)** by Apple: The native system utility represents the ultimate baseline competitor for any standalone calculator app. - Pre-installed system integration provides an insurmountable distribution advantage over any third-party utility. - Deep OS-level integration allows for features like Control Center access and system-wide search that third-party apps cannot replicate. ### Peers (What They Do Better) - **[Photomath](https://marlvel.ai/apps/com-microblink-photomath)** by Google: While categorized under Education, its core utility as a math solver overlaps with this app's audience. - Utilizes advanced computer vision to solve complex equations, shifting the value proposition from manual input to automated capture. - Backed by Google's infrastructure, providing superior accuracy and pedagogical support that simple calculators lack. - **[Desmos Graphing Calculator](https://marlvel.ai/apps/desmos-graphing-calculator)** by Desmos: Serves the advanced math segment of the calculator market, providing a specialized alternative to basic utilities. - Offers powerful graphing and visualization tools that cater to students and professionals beyond basic arithmetic needs. - Positions itself as a professional-grade educational tool rather than a simple, everyday utility. ### New Kids on the Block (What's Innovative) - **[Calculator Air: AI Math Solver](https://marlvel.ai/apps/com-calculatorforipad-internetrocks)** by Air Apps Systems: Shows high development velocity with 5 releases in the last six months, signaling an aggressive push into the AI-utility space. ## What's New - **Latest (v9.1 (886477075), 1 months ago):** Updated UI to Material 3 Expressive design. ## App Momentum (Maintenance) {#momentum} - Implemented bug fixes in latest release. - Maintains subscription-based premium access model. > **Cadence:** 5 total versions · 1 majors in last 6 months · 44 days since last update · 105 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Calculator· is an established utilities app. It holds a 4.37/5 rating from 798.9K reviews. > **Bottom Line:** The app succeeds as a simple utility, but recent UI regressions and calculation errors threaten its core value, so the PM must prioritize stability over new features to prevent churn. **Best for:** Users seeking a simple, multi-platform calculator utility with optional advanced functions for tablet and wearable devices. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Restore running total feature because it is the top-cited productivity loss → stabilize user sentiment ### Feature Gaps vs Competitors - Currency conversion (available in Calculator₊ but missing here) ### Outlook: Declining The utility calculator market is consolidating around high-velocity competitors that offer both simplicity and feature parity. Calculator· is currently exposed due to its recent technical regressions, so the PM must pivot to stability to avoid losing the user base to more reliable alternatives. - 🔴 UI regressions in the latest update remove critical productivity features, which compounds the rating drag already visible on Android. - 🔴 Technical errors in basic math functions erode user trust, accelerating churn pressure toward more reliable stock calculator alternatives. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.37/5 | | Total Reviews | 798.9K | | Sentiment | Mixed (65/100) | | Confidence | High | | Pricing Model | Subscription | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Calculator·** (this app) | 4.37/5 | Mixed | Tim O's Studios, LLC | | [Photomath](https://marlvel.ai/apps/com-microblink-photomath) | 4.8/5 | Mixed | Google | | [Calculator₊](https://marlvel.ai/apps/com-itwcalculator-calculatorforipadfree) | 4.7/5 | Mixed | Impala Studios | | [Calculator!](https://marlvel.ai/apps/com-7thg-calculator) | 4.8/5 | Mixed | 7th Gear | | [Desmos Graphing Calculator](https://marlvel.ai/apps/desmos-graphing-calculator) | 4.5/5 | N/A | Desmos | | [Calculator](https://marlvel.ai/apps/calculator-8) | 4.4/5 | N/A | Apple | ## Company Profile - **Developer:** Tim O's Studios, LLC - **Website:** [https://www.timosstudios.com/](https://www.timosstudios.com/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/calculator/id554836784?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.google.android.calculator&hl=en&gl=us) - **Dev Site:** [Official Website](https://www.timosstudios.com/) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Photomath*](https://marlvel.ai/apps/com-microblink-photomath) (Google) · 4.8/5 Rating - [*Calculator₊*](https://marlvel.ai/apps/com-itwcalculator-calculatorforipadfree) (Impala Studios) · 4.7/5 Rating - [*Calculator!*](https://marlvel.ai/apps/com-7thg-calculator) (7th Gear) · 4.8/5 Rating - [*Desmos Graphing Calculator*](https://marlvel.ai/apps/desmos-graphing-calculator) (Desmos) · 4.5/5 Rating - [*Calculator*](https://marlvel.ai/apps/calculator-8) (Apple) · 4.4/5 Rating - [*Calculator Air: AI Math Solver*](https://marlvel.ai/apps/com-calculatorforipad-internetrocks) (Air Apps Systems) · 4.7/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.5/5 Rating - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.9/5 Rating - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.3/5 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:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 99 - **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:** 102 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.