249+ iOS apps curated and reviewed
Out of 249+ amog transit apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Jun 2026 |
| 2 |  | Free | — | No | No | Jun 2026 |
| 3 |  | Free | 5.0★ (10) | No | No | Jul 2026 |
| 4 |  | Free | 5.0★ (4) | No | No | Jul 2026 |
| 5 |  | Free | 4.6★ (7) | No | No | Jul 2026 |
| 6 |  | Free | — | — | No | Jul 2026 |
| 7 |  | Free | 4.5★ (4.7K) | No | No | Aug 2026 |
| 8 |  | Free | 4.7★ (92) | No | Yes | Aug 2026 |
Get real-time, accurate air quality data with a live map, personalized alerts, and science-based guidance. Plan your day, reduce exposure, and protect your health with actionable insights.
This app provides a centralized hub for instrument calibration resources. It offers instant answers to process instrumentation questions through an integrated AI agent, streamlining calibration workflows.
This platform aids in chemical emergency incident planning and response by integrating plume dispersion models with real-time meteorological and sensor data. It offers free access to hazard modeling tools and optional subscription modules for enhanced capabilities like live weather, sensor-driven identification, and advanced reporting.
This smart air purifier offers intuitive control over your home's air quality, similar to a thermostat. It provides real-time monitoring of indoor and outdoor air, detailed insights into air quality factors, and customizable smart settings for optimal comfort and allergy relief.
Get real-time air quality data and forecasts with detailed pollutant breakdowns. Visualize air conditions dynamically and plan outdoor activities with confidence. Offers a clean, modern interface with privacy-focused features.
Access real-time and forecasted air quality data for over 500,000 locations worldwide. Understand pollutant levels, receive health recommendations, and track wildfire and pollen information to plan your day safely.
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.
Monitor your indoor air quality in real-time with this companion app. Gain insights into your environment, track changes, and receive tips to improve your living space's air for better well-being.
This app provides real-time air quality index and weather data from local monitoring stations. It alerts you to air quality levels and helps you plan outdoor activities. Track pollutants like PM2.5 and CO for healthier living.
Access real-time and forecasted air quality data for your local area and any other location. Plan your day and protect your health by understanding current air conditions.
This app provides real-time air quality data for Washington State, helping residents understand current pollution levels and receive health guidance. It utilizes data from a state monitoring network to inform the public about conditions.
This medical tool provides accurate and flexible acid-base analysis for healthcare professionals. It offers detailed explanations, customizable ranges, and advanced features like anion gap correction and A-a gradient adjustments for various patient conditions and locations.
This app provides 48-hour smoke prediction maps for the Continental US, utilizing data from NOAA. It can also display EPA AQI readings, offering a comprehensive view of air quality.
Access real-time, street-by-street air pollution maps and 72-hour forecasts globally. Get hyper-local data for key pollutants and personalized tips to help you breathe cleaner air and reduce exposure.
Manage safety gas detectors from your mobile device. Download data logs, configure settings, and review alarm events. Easily transfer instrument data for remote monitoring and receive firmware updates.
This app provides advanced smoke forecasting and wildfire mapping for California. It helps users understand smoke origins, movement, and health impacts, offering real-time air quality data and locations for clean air relief.