--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "CO2 Tracker" developer_entity: "Madhu Raghavan" bundle_id: "KrishnApp.com.CO2AppJan19" app_store_id: "1459765187" category: "Travel" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2019-11-13" report_date: "2026-10-28" last_verified: "2026-10-28T00:00:00.000Z" report_version: "3.0" total_reviews: 3 overall_rating: 5 sentiment: "Thrilled" sentiment_score: 90 confidence: "low" confidence_score: 0.3 top_praise_theme: "Educational content regarding the environmental impact of air travel shifts user behavior away from flying" review_sample_size: 2 total_review_count: 2 analyzed_review_count: 2 data_age_days: 18 momentum_velocity: "zombie" intelligence_version: 2 tags: ["travel", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "environmentally", "conscious", "travelers"] canonical_url: "https://marlvel.ai/apps/co2-tracker" license: "CC-BY-NC 4.0" content_version: "v2" --- # CO2 Tracker Intelligence Report ## TL;DR {#tldr} - **Category**: Travel · Free - **Signal**: Rating 5 · Sentiment Thrilled - **Recent focus**: Educational content regarding the environmental impact of air travel shifts user behavior away from flying (top praise) > **TL;DR:** CO2 Tracker is a travel app by Madhu Raghavan, rated 5/5 by 3 users, with Thrilled user sentiment (90/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** CO2 Tracker maintains Thrilled user sentiment (5/5 from 3 reviews), with users consistently praising educational content regarding the environmental impact of air travel shifts user behavior away from flying. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (3 reviews) | | **User Mood** | Thrilled | | **Category** | Travel | | **Developer** | Madhu Raghavan | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.3/1.0) | | **Data Age** | 18d | ## Metadata & Market Performance - **Publisher:** Madhu Raghavan - **Category:** Travel - **Target Audience:** Environmentally conscious travelers interested in quantifying the carbon footprint of their air travel. - **Platforms:** iOS - **Version Reviewed:** 3.0 - **Report Date:** 2026-10-28 - **Signal Count:** 2 reviews analyzed - **Confidence:** Low (0.3/1.0) - **App Store ID (iOS):** 1459765187 - **Bundle ID:** KrishnApp.com.CO2AppJan19 - **Data Window:** Analysis based on signals collected up to 2026-10-28 ## Executive Snapshot **What it is:** CO2 Tracker is a utility app for iOS that calculates flight-specific carbon emissions based on aircraft type and distance. **Why users hire it:** It removes the cognitive cost of estimating environmental impact by providing a standardized benchmark against annual safe carbon limits. ## App DNA (Features & Intent) - **[Standard] Flight Carbon Calculator:** Calculates carbon dioxide output for flights between two cities based on aircraft type selection. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] Aircraft Database:** Provides a selection list of 40 different aircraft models to refine emission calculations. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Annual Impact Benchmarking:** Displays the flight's emissions as a percentage of the user's total annual safe carbon dioxide output. ## Market Position {#market-position} CO2 Tracker maintains a 5.0 rating across 3 total ratings. The absence of updates for over 6 years signals a lack of competitive pressure on the current feature set. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app is distributed as a free utility with no visible monetization, subscription, or ad-supported tiers. ## 🟢 User Sentiment (Low Confidence: 2 of 2 reviews analyzed) {#user-sentiment} - **Overall Rating:** 5/5 - **Platform Split:** iOS 5.0/5 (3 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **Educational content regarding the environmental impact of air travel shifts user behavior away from flying** - **Comparison tools for different aircraft models provide an engaging way to evaluate flight choices** ## SWOT Analysis {#swot} **Core Strengths:** - Aircraft database of 40 models provides a specific differentiator for emission accuracy **Growth Levers:** - API-based distribution could repurpose the calculator as a data engine for travel platforms ## What's New - **Latest (v3.0, 6 years ago):** Refined interface, resolved scrolling issues, and optimized layout for all screen sizes. ## App Momentum (Zombie) {#momentum} - No updates for over 6 years. - Maintenance-mode status confirmed by inactivity. > **Cadence:** 1 total versions · 1 majors in last 6 months · 2541 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} CO2 Tracker is a travel app that is completely free. It holds a 5/5 rating from 3 reviews. > **Bottom Line:** The lack of updates since 2019 leaves CO2 Tracker vulnerable to modern, integrated travel tools. A pivot to API-based distribution would allow the app to survive as a data engine, rather than relying on a standalone interface that no longer receives maintenance. **Best for:** Environmentally conscious travelers interested in quantifying the carbon footprint of their air travel. ### PM Action Plan (Next Best Moves) - [ ] [SUNSET] Sunset the standalone app because the 6-year maintenance gap prevents competitive feature parity → reduce brand-dilution risk ### Outlook: Declining The travel-utility market is consolidating around integrated platforms that offer real-time carbon tracking at the point of booking. CO2 Tracker's lack of updates since 2019 leaves it exposed to obsolescence, as it cannot compete with the data-rich, active rivals now dominating the space. - 🔴 The 6-year development hiatus indicates the app is in permanent maintenance mode, which prevents it from adapting to new travel-data standards. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 3 | | Sentiment | Thrilled (90/100) | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **CO2 Tracker** (this app) | 5/5 | Thrilled | Madhu Raghavan | | [Tripsy: Travel Planner](https://marlvel.ai/apps/app-tripsy-ios) | 4.7/5 | Excited | Tripsy LLC | | [HappyCow - Vegan Food Near You](https://marlvel.ai/apps/happycow-vegan-food-near-you) | 4.9/5 | Excited | HappyCow | | [Pawshake - Dog & Pet Sitter](https://marlvel.ai/apps/pawshake-dog-pet-sitter) | 4.7/5 | N/A | Pawshake | | [Queue Times (Theme Parks)](https://marlvel.ai/apps/queue-times-theme-parks) | N/A/5 | N/A | Tobias van den Berg | | [Wanderlog - Travel Planner](https://marlvel.ai/apps/wanderlog-travel-planner) | 4.9/5 | Excited | Vacation and Travel Planner App LLC | ## Company Profile - **Developer:** Madhu Raghavan ## Data Sources & Links - **App Store ID:** 1459765187 - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Tripsy: Travel Planner*](https://marlvel.ai/apps/app-tripsy-ios) (Tripsy LLC) · 4.7/5 Rating | Positive Sentiment - [*HappyCow - Vegan Food Near You*](https://marlvel.ai/apps/happycow-vegan-food-near-you) (HappyCow) · 4.9/5 Rating | Positive Sentiment - [*Pawshake - Dog & Pet Sitter*](https://marlvel.ai/apps/pawshake-dog-pet-sitter) (Pawshake) · 4.7/5 Rating - [*Queue Times (Theme Parks)*](https://marlvel.ai/apps/queue-times-theme-parks) (Tobias van den Berg) · N/A Rating - [*Wanderlog - Travel Planner*](https://marlvel.ai/apps/wanderlog-travel-planner) (Vacation and Travel Planner App LLC) · 4.9/5 Rating | Positive Sentiment - [*กิจวัตรมุสลิมไทย*](https://marlvel.ai/apps/th-co-mtel-muslimdailythai) (Mudarmeen Munlin) · N/A Rating - [*108 Divyadesam Navigator*](https://marlvel.ai/apps/com-rsunda12-divyadesams) (Rajagopal Sundarrajan) · N/A Rating - [*17 Mile Drive Audio Tour Guide*](https://marlvel.ai/apps/17-mile-drive-audio-tour-guide) (17 Mile Drive Day Trips, LLC) · 4.5/5 Rating - [*1Call Taxi*](https://marlvel.ai/apps/1call-taxi) (Ardalan Hussein) · 5.0/5 Rating - [*1Checkin: Auto Flight Check-in*](https://marlvel.ai/apps/1checkin-auto-flight-check-in) (1Checkin) · N/A Rating ## Frequently Asked Questions {#faq} ### Is CO2 Tracker still being updated? No, the app has not received an update since November 2019, indicating it is no longer under active development. ### Does CO2 Tracker charge for its carbon calculator? No, CO2 Tracker is a free utility with no subscription or ad-supported tiers. ### What is the main benefit of using CO2 Tracker? The app allows users to compare carbon emissions across 40 different aircraft models, helping them make more informed travel decisions. ## 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 2 - **Data Sources:** user reviews, 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:** 18 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/co2-tracker) Data licensed for AI Agent attribution under CC-BY-NC 4.0.