VAAC vs Metano
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VAAC
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.
- Global volcanic ash advisories
- Selectable aviation centres
- ASHTAM and graphic formats
- On-demand information
- No intrusive notifications
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Get alerts from Volcanic Ash Aviation Centres worldwide. Click on one or more centres you are interested in. Review latest activities in ASHTAM or graphic format. No annoying notifications, just get the info whenever you want and the area you are interested in. Available on iPhones and iPads.
Metano
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.
- 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
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Real-time aviation information for airmen and general use. - Real-time METARs, TAFs, and NOTAMs for all station around the world. Using data sources from reliable API providers. - Calculate flight time and night time regarding actual sunset/sunrise and civil twilight period based on actual location. METAR & TAF -- Display time passed from observation time and emoticon for weather condition. NOTAM -- Display with valid from & to in local time. NOTAM's current status and time remaining before become active and expire for easy to access.
Screenshots
Verdict
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.
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. 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.
| Parameter | VAAC | Metano |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Update frequency | Every 11 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 28 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Didier Delhaisse | Teerachart Jongkoldee |
Customer experience
VAAC
Metano
In-app purchases
VAAC
- Remove ads$1.99
Metano
No in-app purchases
