# Haze@SG vs MyJAS EQMS

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.

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.

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.

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.

## The numbers

| Metric | Haze@SG | MyJAS EQMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (11 ratings)](https://appshunter.io/ios/app/hazesg/id663816616/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/myjas-eqms/id1217372617/reviews) |
| Number of ratings | **11** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 67 MB | 43 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hosay Studios](https://appshunter.io/developer/599398754) | [Department of Environment Malaysia](https://appshunter.io/developer/895645346) |

## What reviewers say

### Haze@SG

[App page](https://appshunter.io/ios/app/hazesg/id663816616)

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:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Haze@SG Pro Monthly | $0.99 | per month |
| Haze@SG Pro Yearly | $12.99 | per year |


### MyJAS EQMS

[App page](https://appshunter.io/ios/app/myjas-eqms/id1217372617)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*