# InterFact vs Railfan Copilot

The clearest difference is in-app purchases: InterFact at none against Railfan Copilot's 1. Railfan Copilot's advantage is update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Railfan Copilot sells 1 one-off in-app purchase. InterFact asks for nothing beyond the download.

InterFact ships an update fortnightly, Railfan Copilot every 3 days. The most recent releases landed on September 12, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | InterFact | Railfan Copilot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (4 ratings)](https://appshunter.io/ios/app/railfan-copilot/id6770344908/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 82 MB | 22 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ergin Technologies LLC](https://appshunter.io/developer/1896277422) | [Ronald Minor](https://appshunter.io/developer/1896734954) |

## What reviewers say

### InterFact

[App page](https://appshunter.io/ios/app/interfact/id6766329062)

**Features:** macOS Compatibility

**In-app purchases:** none


### Railfan Copilot

[App page](https://appshunter.io/ios/app/railfan-copilot/id6770344908)

Track real-time train positions, listen to live radio feeds, and identify locomotives with AI. Features include a sun angle predictor and community sightings. Unlock all features with a one-time purchase.

**Highlights:** Live train tracking map, Live railroad radio scanner, AI train symbol decoder, AI locomotive identifier, Community sightings feed, Sun angle predictor, Achievements system

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $3.99 | one-time |


## Frequently asked questions

### Is InterFact free?

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

### Is Railfan Copilot free?

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

### Do InterFact or Railfan Copilot have ads?

Neither InterFact nor Railfan Copilot shows ads.

### Which is updated more often, InterFact or Railfan Copilot?

InterFact ships an update fortnightly, and Railfan Copilot every 3 days. Most recently, InterFact was updated on September 12, 2026 and Railfan Copilot on September 26, 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.*