SG Weather vs Haze@SG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SG Weather
Get real-time weather alerts for rain, heavy rain, and haze. Access detailed forecasts, radar maps, and historical weather data. Customize your interface and share weather information easily.
- Rain start & stop alerts
- Detailed weather info (temp, UV, PSI, PM2.5)
- 7-day forecast
- Animated radar maps
- 2-hour nowcast
- Customizable UI and background
- Offline map access
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Features: - Rain start & stop + Heavy Rain + PSI (hazy day only, psi > 90) + Sumatra hotspot(>120) alert - Weather info like temperature, UV, PSI, PM2.5 - 7 days forecast - 1 Radar Map - Raining cloud radar map in animation - raining cloud movement prediction - Full screen map display - Hotspot Chart - 2 hours nowcast, temperature, wind direction, rainfall readings, visibility - last 24hrs hotspot on map, wind direction and satellite. - forecast data hourly - bookmark landmarks/locations - Weather Today, additional weather info like humidity, wind, sunrise and sunset, moon phase and tide. - text to speech for weather highlight - SimsPass Account - Customisable UI Layout - offline map - customisable background image - background color changing base on Temperature/UV/PSI index - Marquee text (Running text) - Share on social network - Weather Camera and Photos In-App Purchase: - Remove Advertisement service (yearly US$1.99 only)
Haze@SG
Quickly check Singapore's air quality with hourly AQI, PM2.5, and 24-hour PSI readings. Understand what the levels mean and receive alerts to stay informed about haze conditions.
- Hourly AQI readings
- Hourly PM2.5 levels
- 24-hour PSI
- Clear indicators
- Share haze levels
- Alerts
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Haze@SG helps you quickly check air quality levels across Singapore. Stay updated with hourly AQI and PM2.5 readings, along with the 24-hour PSI, so you can make informed decisions throughout the day. The app is designed to be simple, fast, and easy to read at a glance. NEW! Local Air Quality Stations Explore additional AQI readings from local monitoring stations across Singapore, updated regularly. Find stations near you, see their distance from your location, and check the latest air quality conditions in different neighbourhoods. Maintained since 2013, Haze@SG continues to provide reliable haze updates with a clean and focused experience. Features: * 1-hour AQI readings across all regions * 1-hour PM2.5 levels for current conditions * 24-hour PSI based on NEA data * Local AQI readings from additional monitoring stations across Singapore * Find nearby monitoring stations using your location * Clear indicators to understand what the readings mean * Latest haze news and weather forecasts * Share current haze levels with friends and family * Alerts to stay informed Official regional air quality readings are sourced from NEA, while additional local station readings are provided by the World Air Quality Index (WAQI) project. PM2.5 readings reflect short-term air quality and may change throughout the day depending on weather conditions and haze levels. Haze@SG is independently developed and maintained. Your support helps cover server costs and ongoing improvements. If you find the app useful, you can support its continued development through a subscription. As a subscriber, you also enjoy an ad-free experience. Feedback and suggestions are welcome. You can reach us via email at support@hosaystudios.com or through the app. -------------------------------- Subscription Information Payment will be charged to your Apple ID account at confirmation of purchase. Your account will be charged for renewal within 24 hours prior to the end of the current period. Auto-renewal can be turned off at any time in your Apple ID account settings after purchase. No cancellation of the current subscription is allowed during an active subscription period. Subscription price: SGD 1.99 per month SGD 19.99 per year Prices may vary by country. Privacy Policy: http://hosaystudios.com/privacy.html Terms of Use: http://hosaystudios.com/terms.html -------------------------------- Note: This app is not affiliated with NEA. Data is sourced from publicly available information, and any inaccuracies should not be attributed to NEA.
Screenshots
Verdict
The clearest difference is rating: Haze@SG at 5.0 against SG Weather's 3.5. Haze@SG also leads on review sentiment (100% vs 59%) and update cadence (every 9 days vs every 5 weeks). SG Weather's advantage is iOS requirement (13.0 vs 15.6). 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. SG Weather sells 4 one-off in-app purchases and Haze@SG sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Haze@SG holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Haze@SG has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 59% of SG Weather's written reviews are positive against 100% of Haze@SG's.
SG Weather ships an update every 5 weeks, Haze@SG every 9 days. Both last shipped on November 1, 2026.
| Parameter | SG Weather | Haze@SG |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) | 5.0 (11 ratings) — better |
| Positive reviews | 59.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 11 — better |
| Update frequency | Every 5 weeks | Every 9 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 31 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Sim Ruenn Kang | Hosay Studios |
Customer experience
SG Weather
Haze@SG
In-app purchases
SG Weather
- Rain Alert Extend 1 Year$0.99
- Remove Banner for 1 year$1.99
- Rain Alert Locations +3$1.99
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- Device Allowed +3$1.99
Haze@SG
- Haze@SG Pro Monthly$0.991 Month
- Haze@SG Pro Yearly$12.991 Year








