# VAAC vs Metano

The clearest difference is review sentiment: Metano at 50% against VAAC's 0%. Metano also leads on in-app purchases (none vs 1) and update cadence (every 6 days vs every 11 months). VAAC's advantage is iOS requirement (9.3 vs 15.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. VAAC sells 1 one-off in-app purchase. Metano asks for nothing beyond the download.

VAAC ships an update every 11 months, Metano every 6 days. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | VAAC | Metano |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 days** |
| Monetization | Free | Free |
| Size | 28 MB | 24 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Didier Delhaisse](https://appshunter.io/developer/1149960975) | [Teerachart Jongkoldee](https://appshunter.io/developer/1568703635) |

## What reviewers say

### VAAC

[App page](https://appshunter.io/ios/app/vaac/id1149960976)

Receive alerts from Volcanic Ash Aviation Centres globally. Select your areas of interest to view the latest volcanic ash advisories in text or graphic formats. This app provides information on demand without intrusive notifications.

**Highlights:** Global volcanic ash advisories, Selectable aviation centres, ASHTAM and graphic formats, On-demand information, No intrusive notifications

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### Metano

[App page](https://appshunter.io/ios/app/metano/id1568703632)

Access real-time aviation weather reports, including METARs, TAFs, and NOTAMs globally. Calculate flight and night times based on current sunset/sunrise and twilight periods for your location.

**Highlights:** Real-time METARs, TAFs, and NOTAMs, Global station data, Flight and night time calculation, Sunset/sunrise and twilight periods, Observation time elapsed, NOTAM status and time remaining

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

**In-app purchases:** none


## Frequently asked questions

### Is VAAC free?

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

### Is Metano free?

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

### Do VAAC or Metano have ads?

Neither VAAC nor Metano shows ads.

### Which is updated more often, VAAC or Metano?

VAAC ships an update every 11 months, and Metano every 6 days. Most recently, VAAC was updated on October 2, 2026 and Metano on October 6, 2026.

---

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