Eggcode vs Air
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Eggcode
Enter the number found on an egg to discover its origin. This app provides details about the laying farm, henhouse, and hen rearing methods for eggs monitored by KAT from European countries.
- Enter egg number for origin details
- Covers KAT-monitored European eggs
- Farm images included
- Rearing information provided
- Henhouse and hen visuals
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WHAT IS ON THE EGG? Simply enter the number on the egg and find out its origin.All eggs monitored by KAT from European countries are covered. In addition to the name and address you will be shown up-to-date images of the laying farm, the henhouse and the hens as well as other useful Information on the forms of rearing.
Air
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Air-Check – Air Quality at a Glance Air-Check provides information about current and forecast air quality for your selected location. The app presents important air quality values clearly and allows you to examine changes over several days and individual hours. Features • Current air quality for the selected location • 7-day forecast for available air quality values • Hourly values and detailed daily developments • PM2.5 and PM10 particulate matter • Other available air pollutants such as nitrogen dioxide, ozone, sulphur dioxide and carbon monoxide • Clear air quality assessment • Pollen information for different plant species, where available • Pollen indicator for a quick assessment of pollen levels • Location selection using the integrated location search Pollen information Current and forecast pollen levels can be displayed for different types of plants. Depending on availability, these may include alder, birch, grass, mugwort, olive and ragweed. Pollen levels are also shown using a simple indicator. Green represents a low level, yellow a moderate level and red a high level. Important: Pollen forecasts from the data source are available only for Europe. No pollen values are displayed outside Europe. Data sources Air quality and pollen data is provided through the Open-Meteo Air Quality API. The underlying air quality data is provided by the Copernicus Atmosphere Monitoring Service (CAMS). In Europe, the European CAMS air quality forecasts are used in particular. Outside Europe, global CAMS air quality data may be available. The displayed values are model-based analysis and forecast data. Data availability, update times and the range of available measurements may vary depending on the location and measurement. Important information Air-Check is provided for informational purposes only and does not replace official air quality measurements, information from public authorities or medical advice.
Screenshots
Verdict
The clearest difference is update cadence: Air at every 2 weeks against Eggcode's every 5 months. Eggcode's advantage is iOS requirement (9.0 vs 26.2). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Eggcode ships an update every 5 months, Air every 2 weeks. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.
| Parameter | Eggcode | Air |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 4 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | KAT e.V. | Gerhard Lentschik |
In-app purchases
Eggcode
No in-app purchases
Air
No in-app purchases









