# AQIC vs Payumoon

The clearest difference is in-app purchases: AQIC at none against Payumoon's 3. AQIC also leads on iOS requirement (13.0 vs 15.0). Payumoon's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Payumoon sells 3 one-off in-app purchases. AQIC asks for nothing beyond the download.

AQIC ships an update every 6 weeks, Payumoon fortnightly. The most recent releases landed on June 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AQIC | Payumoon |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 67 MB | 90 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Research Council of Thailand](https://appshunter.io/developer/1457178309) | [Peerawat Chotikanokrat](https://appshunter.io/developer/1846548388) |

## What reviewers say

### AQIC

[App page](https://appshunter.io/ios/app/aqic/id1502048683)

This app provides real-time PM2.5 air quality data across Thailand, including hourly and daily averages. It also offers three-day forecasts and tracks active fire hotspots from NASA data for effective pollution monitoring and warnings.

**Highlights:** Real-time PM2.5 data, Hourly and daily averages, Air Quality Index (AQI), Three-day PM2.5 forecasts, Active fire hotspot tracking, NASA earth observing data

**Features:** macOS Compatibility

**In-app purchases:** none


### Payumoon

[App page](https://appshunter.io/ios/app/payumoon/id6754074439)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $1.99 | one-time |
| Pro | $8.99 | one-time |
| Exclusive | $12.99 | one-time |


## Frequently asked questions

### Is AQIC free?

AQIC is free to download, with no in-app purchases.

### Is Payumoon free?

Payumoon is free to download, with in-app purchases available.

### Do AQIC or Payumoon have ads?

Neither AQIC nor Payumoon shows ads.

### Which is updated more often, AQIC or Payumoon?

AQIC ships an update every 6 weeks, and Payumoon fortnightly. Most recently, AQIC was updated on June 24, 2026 and Payumoon on September 19, 2026.

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