--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Pool Chem – Calculator & Log" developer_entity: "Gun woo Kim" bundle_id: "com.wittyapps.poolChem" app_store_id: "6787830427" category: "Lifestyle" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-08-03" report_date: "2026-09-05" last_verified: "2026-09-05T00:00:00.000Z" report_version: "1.2.1" total_reviews: 1 overall_rating: 5 confidence: "low" confidence_score: 0.05 data_age_days: 25 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["lifestyle", "freemium", "mobile app", "app review", "app analysis", "owners", "perform", "their"] canonical_url: "https://marlvel.ai/apps/pool-chem-calculator-log" license: "CC-BY-NC 4.0" content_version: "v2" --- # Pool Chem – Calculator & Log Intelligence Report ## TL;DR {#tldr} - **Category**: Lifestyle · Freemium - **Signal**: Rating 5 > **TL;DR:** Pool Chem – Calculator & Log is a lifestyle app by Gun woo Kim, rated 5/5 by 1 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Pool Chem – Calculator & Log is a lifestyle app by Gun woo Kim. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (1 review) | | **Category** | Lifestyle | | **Developer** | Gun woo Kim | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 25d | ## Metadata & Market Performance - **Publisher:** Gun woo Kim - **Category:** Lifestyle - **Target Audience:** Pool owners who perform their own water chemistry testing and require precise, data-backed dosing instructions. - **Platforms:** iOS - **Version Reviewed:** 1.2.1 - **Report Date:** 2026-09-05 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6787830427 - **Bundle ID:** com.wittyapps.poolChem - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-09-05 ## Executive Snapshot **What it is:** Pool Chem is a water chemistry calculator for pool owners that provides precise chemical dosing and local test history logging on iOS. **Why users hire it:** The app removes the friction of manual chemical calculations and the privacy concerns of cloud-dependent logging tools by keeping all data on the device. ## App DNA (Features & Intent) - **[Standard] Chemical Dosing Calculator:** Calculates precise additions for chlorine, pH, alkalinity, calcium, and salt based on pool volume and test results. - **[Differentiator] CSI Saturation Index:** Computes the Langelier Saturation Index to prevent plaster etching and heater scaling. - **[Standard] Unlimited Test Logging:** Stores historical test data locally on the device without cloud dependency. * *User Intent:* Users expect seamless access across multiple devices. ## Market Position {#market-position} Pool Chem maintains a 5.0 rating on the iOS store, though the current sample size is limited to a single review. The lack of recent feature updates suggests a maintenance-mode posture that prioritizes stability over aggressive market share acquisition. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free: Unlimited logging for one pool, Pro: One-time purchase for unlimited pools, charts, and export - **Analysis:** Monetization relies on a one-time purchase model for advanced features, avoiding subscriptions and ads. ## SWOT Analysis {#swot} **Core Strengths:** - Local-only data storage removes cloud-dependency friction - CSI saturation index prevents long-term pool equipment damage **Growth Levers:** - Integrate camera-based test strip scanning to reduce manual entry - Add smart-hardware sync to automate water data collection ## Recent Changes (v2 → v3) {#recent-changes} Pool Chem has updated its competitive outlook to prioritize camera-based test strip scanning as a defensive measure against automated rivals. The analysis now explicitly acknowledges the risk posed by its limited social proof and the growing market preference for automated data capture. **Overall trend**: Stable **Compared at**: 2026-09-05 ### High-impact changes - **[Added] New SWOT Threats and Weaknesses** (swot) ### Medium-impact changes - **[Shifted] Competitive Narrative Update** (positioning) - **[Shifted] Roadmap Prioritization** (features) ## What's New - **Latest (v1.2.1, 1 months ago):** General stability and reliability patches. ## App Momentum (Maintenance) {#momentum} - Shipped stability patches in latest release. - Maintains maintenance-mode update cadence. > **Cadence:** 1 total versions · 0 majors in last 6 months · 32 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Pool Chem – Calculator & Log is a lifestyle app that is free with in-app purchases. It holds a 5/5 rating from 1 review. > **Bottom Line:** Pool Chem provides a high-utility, privacy-focused tool that avoids subscription fatigue, but the lack of automated data entry limits its growth potential against modern, scan-enabled rivals. **Best for:** Pool owners who perform their own water chemistry testing and require precise, data-backed dosing instructions. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship camera-based test strip scanning because manual entry is the primary friction point → increase daily active usage ### Outlook: Stable Users report: The pool maintenance market is shifting toward automated data capture, which leaves Pool Chem exposed to rivals that offer scan-to-test functionality. Without a pivot to automated entry, the app risks losing users who prioritize time-saving over the precision of manual calculations. - ⚪ The latest release focused on stability, indicating a maintenance-mode cadence that avoids feature expansion. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 1 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Pool Chem – Calculator & Log** (this app) | 5/5 | N/A | Gun woo Kim | | [Alarmy - Loud alarm clock](https://marlvel.ai/apps/alarmy-loud-alarm-clock) | 4.8/5 | Excited | Delight Room Co., Ltd. | | [Journey - Diary, Journal](https://marlvel.ai/apps/com-journey-ios-app) | 4.7/5 | Excited | Two App Studio Pte. Ltd. | | [Tinder Dating App: Date & Chat](https://marlvel.ai/apps/tinder-dating-app-date-chat) | 4.0/5 | n/a | Tinder LLC | | [Alarmie: Easy Rise Alarm Clock](https://marlvel.ai/apps/alarmie-easy-rise-alarm-clock) | 4.4/5 | Mixed | Jintian Wang | | [AlarmMon ( alarm clock )](https://marlvel.ai/apps/alarmmon-alarm-clock) | 4.3/5 | n/a | Malang Studio Co. Ltd, | ## Company Profile - **Developer:** Gun woo Kim ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/pool-chem-calculator-log/id6787830427?uo=4) - **Sources:** App store metadata. ## Related Intel Reports - [*Alarmy - Loud alarm clock*](https://marlvel.ai/apps/alarmy-loud-alarm-clock) (Delight Room Co., Ltd.) · 4.8/5 Rating | Positive Sentiment - [*Journey - Diary, Journal*](https://marlvel.ai/apps/com-journey-ios-app) (Two App Studio Pte. Ltd.) · 4.7/5 Rating | Positive Sentiment - [*Tinder Dating App: Date & Chat*](https://marlvel.ai/apps/tinder-dating-app-date-chat) (Tinder LLC) · 4.0/5 Rating - [*Alarmie: Easy Rise Alarm Clock*](https://marlvel.ai/apps/alarmie-easy-rise-alarm-clock) (Jintian Wang) · 4.4/5 Rating - [*AlarmMon ( alarm clock )*](https://marlvel.ai/apps/alarmmon-alarm-clock) (Malang Studio Co. Ltd,) · 4.3/5 Rating - [*Amora: A Hint of Your Soulmate*](https://marlvel.ai/apps/amora-a-hint-of-your-soulmate) (Lit Apps LLC (Mobile)) · 4.7/5 Rating - [*Swiftime*](https://marlvel.ai/apps/swiftime) (MEDIANO Co.,Ltd.) · 4.5/5 Rating | Positive Sentiment - [*마주*](https://marlvel.ai/apps/an-offline-network-where-you-meet-through-qr-codes) (lvher) · N/A Rating - [*모앗*](https://marlvel.ai/apps/moat-moatapp) (JUNSEOK LEE) · N/A Rating - [*야기*](https://marlvel.ai/apps/tistory-88yhtserof-yagi) (Yunhwi Lim) · N/A Rating ## Frequently Asked Questions {#faq} ### Does Pool Chem require a subscription? No, Pool Chem uses a one-time purchase model for Pro features, allowing users to avoid recurring subscription costs. ### Is Pool Chem safe for my pool equipment? Pool Chem includes CSI (saturation index) calculations to help prevent plaster etching and heater scaling, protecting your equipment. ### Does Pool Chem store my data in the cloud? No, Pool Chem stores all test history locally on your device, ensuring your data remains private and accessible without an account. ## 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:** 25 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/pool-chem-calculator-log) Data licensed for AI Agent attribution under CC-BY-NC 4.0.