Weather forecast! vs SmartAir PM 2.5
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Weather forecast!
Get accurate, real-time weather data for over 800,000 locations worldwide. Track hourly temperatures, view 7-day and 15-day forecasts, and receive activity suggestions based on weather conditions. Enjoy a beautiful, easy-to-use interface.
- Global weather data for 800,000+ cities
- Automatic location detection
- Hourly temperature tracking
- 7-day and 15-day forecasts
- Activity suggestions
- Clean and modern interface
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Stay informed with accurate weather data for over 800,000 cities and regions worldwide. With automatic location detection, you can instantly access real-time weather for your current city—simple, fast, and easy to use. A must-have app for everyday life. Track hourly temperatures, weather trends, and temperature changes throughout the day with ease. Get a reliable 7-day forecast, so you’re always prepared—no more worrying about what to wear before heading out. Based on key factors like air pressure and temperature, the app also suggests suitable indoor and outdoor activities, making it your smart daily assistant and a perfect companion for work and travel. Enjoy a clean, modern, and visually appealing interface that makes checking the weather a pleasant experience. Plan ahead with confidence—simply scroll up to view the 15-day weather forecast.
SmartAir PM 2.5
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SmartAir is app for pDR-1500, active personal particulate monitor developed by Thermo Fisher Scientific. It can show PM2.5 measured by the monitor in real time and also can be compared with outdoor measurements. Meanwhile, this APP also provides line chart which shows measurements intuitively in 24 hours/one week/one month.
Screenshots
Verdict
The clearest difference is in-app purchases: SmartAir PM 2.5 at none against Weather forecast!'s 1. SmartAir PM 2.5 also leads on update cadence (monthly vs every 6 months) and iOS requirement (6.0 vs 15.0). On price, ads and device support 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. Weather forecast! sells 1 one-off in-app purchase. SmartAir PM 2.5 asks for nothing beyond the download.
Weather forecast! ships an update every 6 months, SmartAir PM 2.5 monthly. Both last shipped on November 1, 2026.
| Parameter | Weather forecast! | SmartAir PM 2.5 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (34 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 34 — better | — |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 6.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 庆猛 邓 | Thermo Fisher Scientific |
In-app purchases
Weather forecast!
- Remove Time Limit$3.99
SmartAir PM 2.5
No in-app purchases
Questions
Is Weather forecast! free?
Is SmartAir PM 2.5 free?
Do Weather forecast! or SmartAir PM 2.5 have ads?
Which is updated more often, Weather forecast! or SmartAir PM 2.5?
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