AirQualityMeter vs Reefcast.io
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AirQualityMeter
This app provides real-time air quality measurements and forecasts up to 24 hours in advance. It helps users manage their physical condition and prepare for allergies by notifying them of pollutants like PM2.5 and PM10. Location services enable automatic weather data acquisition for your current area.
- Real-time air pollutant notifications (PM2.5, PM10)
- 24-hour air pollution level forecast
- Global coverage
- Automatic location-based weather data
- Allergy countermeasure information
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We will inform you of the measurement of the air environment (air pollution) and the forecast up to 24 hours ahead. Please use it for daily physical condition management and allergy countermeasures. (If you enable location information, the weather information for your current location will be obtained automatically.) -Notify air pollutants such as PM2.5 and PM10 in real time! -You can check the air pollution level forecast up to 24 days later. -Can be used all over the world! You can use it in the same way outside your country of residence -Acquire real-time weather data from OpenWeatherMap
Reefcast.io
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Reefcast.io is the weather app built for life in the Maldives. Get hyperlocal forecasts, AI-powered rain predictions, marine conditions, and real-time alerts for every inhabited island — from Haa Alifu to Addu. Data powered by EUMETSAT, OpenWeather, Open-Meteo, Blitzortung, USGS, and NOAA.
Screenshots
Verdict
The clearest difference is ads: Reefcast.io at none against AirQualityMeter's shown. Reefcast.io also leads on update cadence (every 4 days vs every 3 months) and device support (4 vs 2). On price, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AirQualityMeter ships an update every 3 months, Reefcast.io every 4 days. The most recent releases landed on September 1, 2026 and September 6, 2026 respectively.
| Parameter | AirQualityMeter | Reefcast.io |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 79 MB |
| Age rating | 12+ | 4+ |
| Developer | Yuta Endo | Ahsan Saleem |
In-app purchases
AirQualityMeter
No in-app purchases
Reefcast.io
No in-app purchases
Questions
Is AirQualityMeter free?
Is Reefcast.io free?
Do AirQualityMeter or Reefcast.io have ads?
Which is updated more often, AirQualityMeter or Reefcast.io?
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