# TrainsFYI vs AR_Compass

The clearest difference is in-app purchases: AR_Compass at none against TrainsFYI's 2. TrainsFYI's advantage is update cadence (monthly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TrainsFYI sells 2 in-app purchases, starting at $8.99 per month. AR_Compass asks for nothing beyond the download.

TrainsFYI ships an update monthly, AR_Compass every 5 months. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TrainsFYI | AR_Compass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (89 ratings)](https://appshunter.io/ios/app/trainsfyi-train-map-and-tracker/id6741248139/reviews)** | — |
| Number of ratings | **89** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Freemium | — |
| Size | 70 MB | 3 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Radical Sloth](https://appshunter.io/developer/1832848408) | [Hologram Co.,Ltd.](https://appshunter.io/developer/1142940135) |

## What reviewers say

### TrainsFYI

[App page](https://appshunter.io/ios/app/trainsfyi-train-map-and-tracker/id6741248139)

Explore active trains worldwide on a real-time map. Follow individual train journeys, see routes and stops, and browse by transit network. Coverage is expanding to more countries and rail systems.

**Highlights:** Live train position updates, Follow individual train journeys, View routes and stops, Browse by transit network, Worldwide coverage

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrainsFYI Pro - Monthly | $8.99 | per month |
| TrainsFYI Pro - Annual | $89.99 | per year |


### AR_Compass

[App page](https://appshunter.io/ios/app/ar-compass/id6760938460)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TrainsFYI free?

TrainsFYI is free to download, with in-app purchases available.

### Is AR_Compass free?

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

### Do TrainsFYI or AR_Compass have ads?

Neither TrainsFYI nor AR_Compass shows ads.

### Which is updated more often, TrainsFYI or AR_Compass?

TrainsFYI ships an update monthly, and AR_Compass every 5 months. Most recently, TrainsFYI was updated on October 25, 2026 and AR_Compass on October 10, 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.*