Best Co2 Tracker Apps

217+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated May 2026

Whether you're new to co2 tracker or looking for an upgrade, our curated collection of 217+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Co2 Tracker

CO2 Tracker#1

CO2 Tracker by Madhu Raghavan

Travel Responsibly.
Editor's Choice
✈️ Travel
5.0(3 ratings)
Free
CO2 Tracker screenshot 1
CO2 Tracker screenshot 2
CO2 Tracker screenshot 3
CO2 Tracker screenshot 4

Calculate the carbon dioxide output of your flights by entering your departure and arrival cities. Understand the environmental impact of your travel and make more responsible decisions to help protect the planet.

More Co2 Tracker apps to explore

4
Floop: Meal & CO2 Tracker
Floop: Meal & CO2 Tracker
Floop: Meal & CO2 Tracker
Fight food's carbon footprint
Free

Calculate the climate impact of your meals and track your food's carbon footprint. Discover sustainable recipes, plan low-carbon meals, and join a community dedicated to fighting climate change through food choices.

CO₂ emissions calculator for recipesSustainable recipe discoveryCarbon footprint tracker with targets
🍔 Food & Drink
(0)
ad-supported
5
EcObjective - CO2 Tracker
EcObjective - CO2 Tracker
EcObjective - CO2 Tracker
Track & Reduce Your Footprint
Free

Calculate your carbon footprint quickly and receive personalized, science-backed actions to reduce it. This privacy-focused app tracks your environmental impact without requiring an account or selling your data. Get actionable steps and AI coaching to build sustainable habits.

Carbon footprint calculationPersonalized reduction plansAI coaching for motivation
📚 Education
(1)
free with in-app purchases
6
CarbonFlow CO₂ Tracker
CarbonFlow CO₂ Tracker
CarbonFlow CO₂ Tracker
Track your CO₂ and plant trees
Free
🌟 Lifestyle
(0)
7
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Blood Pressure, Sleep & SpO2
Free

This app uses AI and your device's camera to monitor vital health metrics like heart rate, blood pressure, and stress levels. It provides detailed visual insights and personalized analysis to help you understand your well-being. Integrates with Apple Health for comprehensive tracking.

AI health analysisCamera pulse measurementBlood pressure tracking
💪 Health & Fitness
(7.5K)
free with in-app purchases
8
SeTracker2
SeTracker2
SeTracker2
by shenzhen sanjitongchuang electronic co.,LTD.
Free

This app allows you to remotely monitor and control a compatible device. Track its real-time and historical location, set safe zones, and receive alerts for important events like low battery or SOS signals. You can also manage device settings, set alarms, and send rewards.

Real-time and historical location trackingGeofencing with alertsSOS and low battery notifications
🌟 Lifestyle
(2.5K)
free with in-app purchases
9
EcoHero - Eco Activity Tracker
EcoHero - Eco Activity Tracker
EcoHero - Eco Activity Tracker
Let us help you protect Earth
Free

Track your daily eco-friendly activities and visualize their positive impact on the environment. Learn sustainable living tips, reduce your footprint, and inspire others to join the movement.

Track eco activities (meals, transport, plastic)Visualize water, land, CO2, and plastic savingsEco Calendar for sustainable days
🌟 Lifestyle
(25)
free with in-app purchases
10
Dogtra PATHFINDER2
Dogtra PATHFINDER2
Dogtra PATHFINDER2
by DOGTRA CO.
Free

Track multiple dogs in real-time with a GPS system and companion app. Features include training functions, customizable fences, and location sharing. Requires specific hardware to operate.

Real-time dog trackingUp to 21 dogs concurrently9-mile tracking range
🌟 Lifestyle
(1.6K)
free
11
CO2 sensor
CO2 sensor
CO2 sensor
Display SCD-41 CO2 readings.
Free

Monitor CO2, temperature, and humidity levels in real-time using a Bluetooth sensor. Save readings with location data and sync them across Apple devices via iCloud. View historical data on a map.

Real-time CO2, temperature, and humidity readingsBluetooth sensor integrationSave readings with location
🔧 Utilities
(3)
free
12
EcoPulse: Travel CO₂ Tracker
EcoPulse: Travel CO₂ Tracker
EcoPulse: Travel CO₂ Tracker
Tracking for every trip
Free
🌟 Lifestyle
(0)
13
Health Tracker- HeartRate & BP
Health Tracker- HeartRate & BP
Health Tracker- HeartRate & BP
Easy SpO₂・Pulse・Health Trends
Free

Effortlessly monitor your pulse, blood pressure, and blood oxygen levels. Visualize your health trends with easy-to-understand charts and access curated wellness articles. Upgrade for advanced insights and personalized guidance.

Instant pulse checkBlood pressure loggingBlood oxygen logging
💪 Health & Fitness
(429)
free with in-app purchases
14
Fuelly: MPG & Service Tracker
Fuelly: MPG & Service Tracker
Fuelly: MPG & Service Tracker
MPG, Mileage & Fuel Economy
Free

Track your vehicle's fuel economy and maintenance history. Set reminders for essential services like oil changes and tire rotations to help you save money. Seamlessly sync your data with the web platform for comprehensive vehicle management.

Tracks gas mileage and vehicle maintenanceCustomizable service remindersOnline sync to Fuelly.com
💰 Finance
(28K)
freemium
15
EWE Tracker 2
EWE Tracker 2
EWE Tracker 2
Engineer Warranty
Free

Monitor your vehicles in real-time with satellite tracking. View current location, trip details, speed, and working status. Receive alerts for speed overrides, engine status, and geo-fence entries/exits.

Live vehicle trackingTrip details and historySpeed monitoring
💼 Business
(2)
free
16
Grid Diary - Journal, Planner
Grid Diary - Journal, Planner
Grid Diary - Journal, Planner
Guided self-care & mindfulness
Free

This app offers a guided journaling experience to foster personal development and mindfulness. It helps users build positive habits, manage stress, and enhance various aspects of their lives through customizable prompts and unique layouts.

Prompted journaling with custom questionsUnique grid and mandala layoutsDaily, weekly, monthly, and yearly planning
🌟 Lifestyle
(5.2K)
subscription
17
Oxi tracker
Oxi tracker
Oxi tracker
by Guangdong Biolight Meditech Co., Ltd.
Free

Monitor blood oxygen levels, pulse rate, and perfusion index in real-time. View waveform and trend charts, ideal for daily health maintenance and sleep analysis.

Real-time blood oxygen waveformSpO2, PR, PI monitoringTrend charts
🏥 Medical
(62)
free
18
Pep AI: Peptide GLP-1 Tracker
Pep AI: Peptide GLP-1 Tracker
Pep AI: Peptide GLP-1 Tracker
Peptide Wegovy Zepbound GLP1
Free

This app helps you meticulously track peptide research, including inventory, logs, nutrition, wellness, and notes. It replaces scattered data with an organized, private system for consistency and offers features like injection site tracking, side effect logging, and AI-powered meal scanning.

Inventory & OrganizationInjection Site TrackerSide Effects Tracking
💪 Health & Fitness
(1.8K)
free with in-app purchases
19
Glowise: GLP-1 Tracker & Diary
Glowise: GLP-1 Tracker & Diary
Glowise: GLP-1 Tracker & Diary
Ozempic Wegovy Mounjaro Pilule
Free

This app helps users track calories, log meals, and manage nutrition for weight loss. It offers AI-powered food scanning, macro tracking, and specific support for GLP-1 medications like Ozempic and Wegovy. Users can also monitor weight, BMI, hydration, and workouts.

AI calorie and nutrition trackingFood diary and AI food scannerMacro and carb counter
💪 Health & Fitness
(2.7K)
freemium
20
Gymatic Workout Tracker
Gymatic Workout Tracker
Gymatic Workout Tracker
Auto rep counting gym log
Free

This app automatically identifies exercises, counts repetitions, and logs workouts with advanced stats like heart rate, rest/work time, and velocity. It offers accurate calorie tracking and progress monitoring for various training types, including strength, HIIT, and cardio.

Automatic exercise identificationAutomatic repetition countingAdvanced workout statistics
💪 Health & Fitness
(1.9K)
free with in-app purchases

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