Eggcode vs Observation
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.
Observation
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With Observation you can easily record nature observations in the field. Our online image recognition AI helps you identify the species on your images. You can choose to use the app offline anywhere in the world. Your observation data is stored on your phone first. Saved observations can be uploaded to Observation.org when online. This app is part of Observation.org; an EU-based platform for world wide biodiversity monitoring and citizen science. Observations that you save in your account are publicly visible for everyone who visits Observation.org. Take a look at the website to see what other observers have recorded and explore all data collected by our community. Observations are validated by species experts, after which the records are made available for scientific research.
Screenshots
Verdict
The clearest difference is update cadence: Observation at every 3 weeks against Eggcode's every 5 months. Eggcode's advantage is iOS requirement (9.0 vs 15.1). 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, Observation every 3 weeks. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.
| Parameter | Eggcode | Observation |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | KAT e.V. | Observation International |
In-app purchases
Eggcode
No in-app purchases
Observation
No in-app purchases








