# Alerte 3117 vs Andilien

The clearest difference is review sentiment: Andilien at 55% against Alerte 3117's 17%. Andilien also leads on update cadence (every 4 months vs every 10 months). Alerte 3117's advantage is iOS requirement (9.3 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Alerte 3117 ships an update every 10 months, Andilien every 4 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Alerte 3117 | Andilien |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | **54.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 9 MB | 38 MB |
| Requires iOS | **9.3** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SNCF](https://appshunter.io/developer/334438200) | [SNCF Voyageurs](https://appshunter.io/developer/1721864459) |

## What reviewers say

### Alerte 3117

[App page](https://appshunter.io/ios/app/alerte-3117/id1118896124)

Report dangerous situations on the French railway system via text or call to a 24/7 emergency number. Operators connect you with the most appropriate services for rapid assistance and protection.

**Highlights:** 24/7 emergency reporting, Text or call emergency services, Geolocation for faster response, Discreet reporting via text, Assistance for various situations, Contact with appropriate services

**Features:** macOS Compatibility

**In-app purchases:** none


### Andilien

[App page](https://appshunter.io/ios/app/andilien/id1326758247)

This app helps travelers with mobility challenges navigate stations and book assistance. It provides real-time information on accessibility, station maps, and service availability. Users can also request immediate or guaranteed travel assistance.

**Highlights:** Station accessibility levels, In-station navigation maps, Real-time elevator/escalator status, Book travel assistance, Personalized user preferences, Screen reader compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Alerte 3117 free?

Alerte 3117 is free to download, with no in-app purchases.

### Is Andilien free?

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

### Do Alerte 3117 or Andilien have ads?

Neither Alerte 3117 nor Andilien shows ads.

### Which is updated more often, Alerte 3117 or Andilien?

Alerte 3117 ships an update every 10 months, and Andilien every 4 months. Most recently, Alerte 3117 was updated on November 2, 2026 and Andilien on November 2, 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.*