# Eggcode vs Observation

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.

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.

## The numbers

| Metric | Eggcode | Observation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eggcode/id396882760/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 80 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KAT e.V.](https://appshunter.io/developer/396882763) | [Observation International](https://appshunter.io/developer/1464543487) |

## What reviewers say

### Eggcode

[App page](https://appshunter.io/ios/app/eggcode/id396882760)

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.

**Highlights:** Enter egg number for origin details, Covers KAT-monitored European eggs, Farm images included, Rearing information provided, Henhouse and hen visuals

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

**In-app purchases:** none


### Observation

[App page](https://appshunter.io/ios/app/observation/id6446407612)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Eggcode free?

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

### Is Observation free?

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

### Do Eggcode or Observation have ads?

Neither Eggcode nor Observation shows ads.

### Which is updated more often, Eggcode or Observation?

Eggcode ships an update every 5 months, and Observation every 3 weeks. Most recently, Eggcode was updated on September 8, 2026 and Observation on September 24, 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.*