Comparison

Haze@SG vs MyJAS EQMS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Hourly AQI readings
  • Hourly PM2.5 levels
  • 24-hour PSI
  • Clear indicators
  • Share haze levels
  • Alerts
Features
Read full description

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.

About

MyJAS EQMS

Access real-time environmental quality data for Malaysia, including air and water quality indexes. View readings from monitoring stations near you or across the country on an interactive map. Stay informed with the latest announcements on Malaysia's environmental status.

Highlights
  • Real-time environmental index readings
  • Trending charts for monitoring stations
  • Online map view of monitoring stations
  • Air Pollutant Index (API) information
  • Water Quality Index (WQI) information
  • Marine Water Quality Index information
  • Environmental quality announcements
Features
Read full description

About this app MyJAS EQMS is a more improved version of the latter MyIPU, serving as one-stop for all updates about the latest environmental quality status in Malaysia, derived from Continuous Air Quality Monitoring Stations, Continuous River Quality Monitoring Stations, Manual River Quality Monitoring Stations, and Manual Marine Quality Monitoring Stations. Features Latest Environmental Index reading and trending chart of monitoring station near to user's location. Latest Environmental Index reading for all CAQM, CRWQM, MRWQM and MMWQM stations in Malaysia. Online map view of the latest API reading for all CAQM, CRWQM, MRWQM and MMWQM stations in Malaysia. Announcement on the environmental quality of Malaysia. Information on the Air Pollutant Index, Water Quality Index, and Malaysia Marine Water Quality Index

Screenshots

Haze@SG4 screens
MyJAS EQMS4 screens

Verdict

The call

The clearest difference is in-app purchases: MyJAS EQMS at none against Haze@SG's 2. MyJAS EQMS also leads on ads (none vs shown). Haze@SG's advantage is update cadence (every 9 days vs monthly) and ratings volume (11 vs 2). On price, rating 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Haze@SG sells 2 in-app purchases, starting at $0.99 per month. MyJAS EQMS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Haze@SG against 5.0 for MyJAS EQMS. 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.

UpkeepUpdate frequency

Haze@SG ships an update every 9 days, MyJAS EQMS monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
Haze@SG versus MyJAS EQMS: the parameters behind the verdict, then further details
ParameterHaze@SGMyJAS EQMS
PriceFreeFree
Rating5.0 (11 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings11 — better2
Update frequencyEvery 9 days — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.6
Further details — not scored
Size67 MB43 MB
Age rating4+4+
DeveloperHosay StudiosDepartment of Environment Malaysia

Customer experience

Haze@SG

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

MyJAS EQMS

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Haze@SG

Subscriptions2
  • Haze@SG Pro Monthly$0.991 Month
  • Haze@SG Pro Yearly$12.991 Year
None

MyJAS EQMS

No in-app purchases

Questions

Is Haze@SG free?
Haze@SG is free to download, with in-app purchases available.
Is MyJAS EQMS free?
MyJAS EQMS is free to download, with no in-app purchases.
Which has better reviews, Haze@SG or MyJAS EQMS?
Haze@SG and MyJAS EQMS are both rated 5.0 out of 5 on the App Store, from 11 and 2 ratings respectively.
Do Haze@SG or MyJAS EQMS have ads?
Haze@SG shows ads; MyJAS EQMS does not.
Which is updated more often, Haze@SG or MyJAS EQMS?
Haze@SG ships an update every 9 days, and MyJAS EQMS monthly. Most recently, Haze@SG was updated on November 1, 2026 and MyJAS EQMS on November 2, 2026.

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