# geoportail.lu vs Aléa

geoportail.lu and Aléa are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

geoportail.lu ships an update every 14 months, Aléa every 26 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | geoportail.lu | Aléa |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 26 months |
| Monetization | Free | Free |
| Size | 15 MB | 5 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Administration du Cadastre et de la Topographie](https://appshunter.io/developer/661047145) | [IGN](https://appshunter.io/developer/748345891) |

## What reviewers say

### geoportail.lu

[App page](https://appshunter.io/ios/app/geoportaillu/id661047142)

Access topographic maps, aerial photos, and cadastral data for Luxembourg. Search for places, download maps for offline use, and visualize height profiles. Ideal for navigation and exploring the country.

**Highlights:** Topographic and aerial maps, Cadastral parcel data, Offline map usage, Place and parcel number search, Height profile visualization, Create and export POIs (GPX/KML)

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

**In-app purchases:** none


### Aléa

[App page](https://appshunter.io/ios/app/alea/id1494278559)

This collaborative tool allows users to easily submit reports for information gathering campaigns. The submitted reports can help create an online map of observations, assisting authorities in processing the collected data.

**Highlights:** Collaborative reporting, Information gathering campaigns, Observation mapping, Data processing assistance, User-submitted reports

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

**In-app purchases:** none


## Frequently asked questions

### Is geoportail.lu free?

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

### Is Aléa free?

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

### Do geoportail.lu or Aléa have ads?

Neither geoportail.lu nor Aléa shows ads.

### Which is updated more often, geoportail.lu or Aléa?

geoportail.lu ships an update every 14 months, and Aléa every 26 months. Most recently, geoportail.lu was updated on November 1, 2026 and Aléa on November 3, 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.*