# SonarVision vs Compagnon Train

The clearest difference is rating: SonarVision at 5.0 against Compagnon Train's 1.0. Compagnon Train's advantage is monetization model (free vs ad-supported) and iOS requirement (15.0 vs 17.0). On price, ratings volume and in-app purchases there is nothing between them.

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

SonarVision holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | SonarVision | Compagnon Train |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sonarvision-gps-inclusif/id1630942583/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/compagnon-train/id6502663665/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Monetization | Ad-supported | **Free** |
| Size | 39 MB | 8 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [SonarVision](https://appshunter.io/developer/1569843742) | [OnYourMap SA](https://appshunter.io/developer/1685900377) |

## What reviewers say

### SonarVision

[App page](https://appshunter.io/ios/app/sonarvision-gps-inclusif/id1630942583)

This app provides highly accurate pedestrian navigation for visually impaired individuals. Users can create custom routes and have loved ones verify them for precise, independent travel. It leverages advanced visual positioning technology for sub-meter accuracy.

**Highlights:** Sub-meter precision pedestrian guidance, Custom route creation and verification, Independent navigation for visually impaired, VoiceOver accessibility, Visual Positioning System (VPS) technology, Web platform for route management

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

**In-app purchases:** none


### Compagnon Train

[App page](https://appshunter.io/ios/app/compagnon-train/id6502663665)

This app provides audio announcements and displays station names for specific Paris Metro lines before each stop. It covers lines 3 bis, 7, 7 bis, 8, 10, and 12.

**Highlights:** Audio station announcements, Displays station names, Supports Metro lines 3 bis, 7, 7 bis, 8, 10, 12, Real-time information

**In-app purchases:** none


## Frequently asked questions

### Is SonarVision free?

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

### Is Compagnon Train free?

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

### Which has better reviews, SonarVision or Compagnon Train?

SonarVision is rated higher. SonarVision averages 5.0 out of 5 from 1 ratings, while Compagnon Train averages 1.0 from 1 ratings.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*