--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Fish Tank Buddy" developer_entity: "harry bloch" bundle_id: "com.hfb.fishTankBuddy" app_store_id: "6446954175" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2023-04-06" report_date: "2026-05-12" last_verified: "2026-05-12T04:29:28.931Z" report_version: "1.0" total_reviews: 1 overall_rating: 5 confidence: "low" confidence_score: 0.3 data_age_days: 4 momentum_velocity: "zombie" intelligence_version: 3 competitor_count: 4 tags: ["utilities", "free", "mobile app", "app review", "app analysis", "aquarium", "hobbyists", "ranging"] canonical_url: "https://marlvel.ai/intel-report/utilities/fish-tank-buddy" license: "CC-BY-NC 4.0" content_version: "v2" --- # Fish Tank Buddy App Audit ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 5 > **TL;DR:** Fish Tank Buddy is a utilities app by harry bloch, rated 5/5 by 1 users, available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Fish Tank Buddy is a utilities app by harry bloch. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (1 reviews) | | **Category** | Utilities | | **Developer** | harry bloch | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** harry bloch - **Category:** Utilities - **Target Audience:** Aquarium hobbyists ranging from beginners to experienced fish keepers requiring precise chemical and volume calculations. - **Platforms:** iOS - **Version Audited:** 1.0 - **Audit Date:** 2026-05-12 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 6446954175 - **Bundle ID:** com.hfb.fishTankBuddy - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-05-12 ## Executive Snapshot **What it is:** Fish Tank Buddy is an aquarium utility app for iOS that provides volume, chemical, and maintenance calculations for fish keepers. **Why users hire it:** Users hire this app to ensure precise chemical and water balance in their tanks, reducing the risk of ecosystem failure. ## App DNA (Features & Intent) - **[Standard] Tank Size Calculator:** Calculates required water and substrate volumes based on user-input tank dimensions. - **[Differentiator] Bicarbonate Calculator:** Determines specific bicarbonate dosage to maintain target pH levels in aquatic environments. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Standard] Measurement Converter:** Switches between metric and imperial units for tank dimensions and chemical dosing. - **[Standard] Maintenance Reminders:** Sends push notifications for scheduled fish feeding, tank cleaning, and water level checks. * *User Intent:* Users want timely prompts to stay engaged without missing updates. ## Market Position {#market-position} Fish Tank Buddy operates in the Utilities category, competing against specialized calculators and comprehensive aquarium management suites. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is currently offered as a free utility with no visible in-app purchases or subscription tiers. ## SWOT Analysis {#swot} **Core Strengths:** - Bicarbonate calculator provides a specific chemical dosing utility missing in generic tools. **Critical Frictions:** - Zero monetization model limits development resources. - Lack of multi-tank tracking prevents long-term user retention. **Growth Levers:** - Integrate AI-driven health diagnostics to compete with Fish Tank Log. - Add premium subscription for advanced chemical logging. **Market Threats:** - Fish Tank Log’s proactive health recommendations drain the user base as hobbyists seek more than static calculations. ## Recent Changes (v2 → v3) {#recent-changes} The report identifies a shift in competitive pressure from Aquarimate to Fish Tank Log, necessitating a pivot toward multi-tank tracking and monetization. **Overall trend**: Mixed **Compared at**: 2026-05-12 ### High-impact changes - **[Shifted] Competitive Landscape Reconfiguration** (positioning) — The competitive set shifted from Aquarimate to a new list including Fish Tank Log, FishCare, and Dr.Trainer, reflecting a move toward integrated ecosystem management. - **[Added] New Competitive Threat** (swot) — Added threat: Fish Tank Log’s proactive health recommendations are draining the user base. - **[Shifted] PM Strategic Priorities** (positioning) — Action items shifted from cloud-save implementation to multi-tank tracking and premium subscription development. ### Medium-impact changes - **[Added] Expanded Feature Gaps** (features) — Added AI-driven health recommendations and hardware-integrated remote management to the list of missing capabilities. ## App Momentum (Zombie) {#momentum} - Initial release April 2023. > **Cadence:** 1 total versions · 0 majors in last 6 months · 1131 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Fish Tank Buddy is an established utilities app that is completely free. With a 5/5 rating from 1 reviews, it shows polarized user reception. > **Bottom Line:** Fish Tank Buddy succeeds as a simple utility but fails to retain users as they scale their hobby, so the PM must prioritize multi-tank tracking and monetization to prevent churn to comprehensive competitors. **Best for:** Aquarium hobbyists ranging from beginners to experienced fish keepers requiring precise chemical and volume calculations. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] Implement multi-tank tracking because it is the primary retention gap against Fish Tank Log → increase user lifetime value. — *Competitor analysis identifies Fish Tank Log as the primary threat due to its multi-tank tracking capabilities.* _(trade-off: deprioritize Pause the development of new conversion calculators — tracking features have higher retention impact.)_ - [ ] [PIVOT] [HIGH IMPACT] Introduce a premium subscription tier because the current free-only model lacks sustainability → fund future feature development. — *The current free-only model provides no clear path to monetization or resource growth.* _(trade-off: deprioritize Deprioritize UI polish sprints — revenue sustainability is the immediate survival requirement.)_ ### Feature Gaps vs Competitors - AI-driven health recommendations (available in Fish Tank Log) - Multi-tank management (available in Fish Tank Log) - Hardware-integrated remote management (available in FishCare) ### Outlook: Stable The aquarium utility market is shifting toward integrated ecosystem management, leaving static calculators like Fish Tank Buddy exposed to churn. If the app does not evolve into a tracking platform, it will lose its user base to competitors that offer proactive health monitoring. - 🔴 Lack of feature updates since the initial release suggests the app is in maintenance mode, which invites disruption from active competitors. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 1 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 4 analyzed | | Trend | Mixed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Fish Tank Buddy** (this app) | 5/5 | N/A | harry bloch | | [Dr.Trainer](https://marlvel.ai/intel-report/utilities/dr-trainer) | 2.2/5 | Upset | HTT IMPORT AND EXPORT INC | | [Mango Exposure: The Calculator](https://marlvel.ai/intel-report/photo-video/mango-exposure-the-calculator) | 5.0/5 | N/A | Mango Umbrella LLC | | [FishCare](https://marlvel.ai/intel-report/productivity/fishcare) | N/A/5 | N/A | 苏 王 | | [Fish Tank Log](https://marlvel.ai/intel-report/utilities/fish-tank-log) | 5.0/5 | N/A | Toolit Media LLC | | [Potatso](https://marlvel.ai/intel-report/utilities/potatso) | 4.4/5 | Frustrated | Potatso Lab LTD | ## Company Profile - **Developer:** harry bloch - **Website:** [https://harryfbloch.wixsite.com/mysite/](https://harryfbloch.wixsite.com/mysite/) - **Social:** [Facebook](https://www.facebook.com/wix) · [X/Twitter](https://www.twitter.com/wix) · [LinkedIn](https://www.linkedin.com/company/wix-com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/fish-tank-buddy/id6446954175?uo=4) - **Dev Site:** [Official Website](https://harryfbloch.wixsite.com/mysite/) - **Sources:** Developer website content, About us / company information, App store metadata. ## Related Intel Reports - [*Dr.Trainer*](https://marlvel.ai/intel-report/utilities/dr-trainer) (HTT IMPORT AND EXPORT INC) — 2.2/5 Rating | Terrible Sentiment - [*Mango Exposure: The Calculator*](https://marlvel.ai/intel-report/photo-video/mango-exposure-the-calculator) (Mango Umbrella LLC) — 5.0/5 Rating | N/A Sentiment - [*FishCare*](https://marlvel.ai/intel-report/productivity/fishcare) (苏 王) — N/A Rating | N/A Sentiment - [*Fish Tank Log*](https://marlvel.ai/intel-report/utilities/fish-tank-log) (Toolit Media LLC) — 5.0/5 Rating | N/A Sentiment - [*Potatso*](https://marlvel.ai/intel-report/utilities/potatso) (Potatso Lab LTD) — 4.4/5 Rating | Negative Sentiment - [*Quantumult X*](https://marlvel.ai/intel-report/utilities/quantumult-x) (Cross Utility Ltd) — 3.8/5 Rating | Negative Sentiment - [*V2Box - V2ray Client*](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) (techlaim) — 4.5/5 Rating | Mixed Sentiment - [*Free VPN by Free VPN .org™*](https://marlvel.ai/intel-report/utilities/free-vpn-by-free-vpn-org) (Free VPN LLC) — 4.3/5 Rating | Mixed Sentiment - [*Avoiding Happy Belated*](https://marlvel.ai/intel-report/utilities/avoiding-happy-belated) (Shriansh Shrivastava) — N/A Rating | N/A Sentiment - [*Nitefall: Browser dark mode*](https://marlvel.ai/intel-report/utilities/nitefall-browser-dark-mode) (FoxfortMobile) — 3.6/5 Rating | N/A Sentiment ## 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 and evidence quoting. 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/utilities/fish-tank-buddy) Data licensed for AI Agent attribution under CC-BY-NC 4.0.