# mines.org vs XI Alpha Lambda

The clearest difference is update cadence: mines.org at every 4 months against XI Alpha Lambda's every 49 months. 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.

mines.org ships an update every 4 months, XI Alpha Lambda every 49 months. The most recent releases landed on August 15, 2026 and February 7, 2026 respectively.

## The numbers

| Metric | mines.org | XI Alpha Lambda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/minesorg/id1204761247/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 49 months |
| Monetization | Free | — |
| Size | 55 MB | 21 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Amicale du Corps des Mines - ACM](https://appshunter.io/developer/1204761246) | [Ricardo Cumberbatch](https://appshunter.io/developer/1455104172) |

## What reviewers say

### mines.org

[App page](https://appshunter.io/ios/app/minesorg/id1204761247)

Access the Corps' digital directory on your smartphone. Search for members globally, request profile updates, and access data offline. Access is restricted to Corps members with a specific @mines.org email address.

**Highlights:** Digital member directory, Global member search, Profile modification requests, Offline data access, Restricted access for Corps members

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

**In-app purchases:** none


### XI Alpha Lambda

[App page](https://appshunter.io/ios/app/xi-alpha-lambda/id1585350419)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is mines.org free?

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

### Is XI Alpha Lambda free?

XI Alpha Lambda is free to download, with no in-app purchases.

### Do mines.org or XI Alpha Lambda have ads?

Neither mines.org nor XI Alpha Lambda shows ads.

### Which is updated more often, mines.org or XI Alpha Lambda?

mines.org ships an update every 4 months, and XI Alpha Lambda every 49 months. Most recently, mines.org was updated on August 15, 2026 and XI Alpha Lambda on February 7, 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.*