NeboAir vs O2Quality
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NeboAir
This app allows users to contribute to a decentralized air quality monitoring network by installing a sensor in their home. It provides real-time air quality maps, historical data analysis, and local weather information to help users make informed decisions about their environment.
- Real-time air quality maps
- Historical data analysis
- Local weather information
- Connect air quality monitors
- Ad-free experience
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The People's Air Monitoring Network The Nebo Network represents a paradigm shift in decentralized air monitoring networks. Hundreds of users are already sharing data through the Nebo Network. Start an ecological revolution with networks powered by people. How does it work? Residents of cities install a compact sensor in their homes that assesses levels of outdoor air pollution. The sensor measures air quality in the immediate area. Features: + Real-time air quality maps! Monitor ambient air quality in your daycare, plan the healthiest route to exercise, and make informed decisions. + Historical Data. At any time, you can analyze the data on the graph over a convenient time period. Now everyone can take part in the fight for safe and breathable air. + Weather information. Get information on temperature, humidity, atmospheric pressure and weather forecast. + Connect NeboAir air quality monitors to the app and share the data with the world. + Ad-free: use the app without annoying factors. We aim to make your experience comfortable and understandable, no matter what language you use in our app.
O2Quality
Provides real-time air quality information based on US and European Air Quality Index (AQI) standards. It forecasts pollutant levels for up to five days, including carbon monoxide, ozone, nitrogen dioxide, sulfur dioxide, PM2.5, and PM10.
- Real-time AQI reporting
- US and European AQI standards
- Forecasts for 6 pollutants
- 5-day pollutant forecasts
- Color-coded risk levels
- Pollutant concentration data
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O2Qualityは、いまいる場所の大気汚染の状況を、いまいる場所の大気汚染の状況を、米国大気質指数と欧州大気質指数が定める空気質指数(AQI)と、お近くにある観測地点の一酸化炭素など6種類の予報をお伝えするアプリです。 ※ O2QualityはWeather data by Open-Meteo.comのデータを利用しています。All data is provided as is without any warranty. ※ 日本国内では、いまいる場所の最寄りに大気汚染を測定する装置が必要十分な数だけ設置されていないエリアがあると考えられます。 [ 空気質指数(AQI)を分かりやすくにお伝えします ] 米国大気質指数と欧州大気質指数が定める10段階の空気質指数(AQI)を、危険度の段階を表す数字と概要、そして危険度を表す色でお伝えします。 [ 6種類の汚染物質の指数をお伝えします ] 一酸化炭素(Carbon Monoxide)、オゾン(Ozone)、二酸化窒素(Nitrogen dioxide)、二酸化硫黄(Sulphur dioxide)、PM2.5、PM10といった汚染物質を対象に、およそ5日間の予報値をお伝えします。 [ 6種類の汚染物質の濃度をお伝えします ] 一酸化炭素(Carbon Monoxide)、オゾン(Ozone)、二酸化窒素(Nitrogen dioxide)、二酸化硫黄(Sulphur dioxide)、PM2.5、PM10といった汚染物質を対象に、およそ5日間の予報値をお伝えします。
Screenshots
Verdict
The clearest difference is review sentiment: O2Quality at 100% against NeboAir's 43%. NeboAir's advantage is update cadence (every 6 weeks vs every 4 months) and iOS requirement (14.0 vs 27.0). On price, ads, in-app purchases and monetization model 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.
NeboAir ships an update every 6 weeks, O2Quality every 4 months. Both last shipped on October 24, 2026.
| Parameter | NeboAir | O2Quality |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 42.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 14.0 — better | 27.0 |
| Further details — not scored | ||
| Size | 37 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Nebo Devices Limited | Tomohiko Shimizu |
Customer experience
NeboAir
O2Quality
In-app purchases
NeboAir
No in-app purchases
O2Quality
No in-app purchases









