# Atoflow vs HOURRAIL!

The clearest difference is in-app purchases: Atoflow at none against HOURRAIL!'s 1. Atoflow also leads on iOS requirement (13.4 vs 15.5). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. HOURRAIL! sells 1 in-app purchase, starting at $35.00 per year. Atoflow asks for nothing beyond the download.

Atoflow ships an update every 2 weeks, HOURRAIL! fortnightly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Atoflow | HOURRAIL! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | **Free** | Freemium |
| Size | 45 MB | 88 MB |
| Requires iOS | **13.4** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ONE SHOT](https://appshunter.io/developer/661963305) | [Hourrail !](https://appshunter.io/developer/1871689012) |

## What reviewers say

### Atoflow

[App page](https://appshunter.io/ios/app/atoflow/id6478516289)

Explore art through unique, geolocated tours that take you to hidden gems and introduce you to the stories behind visual arts. These immersive experiences adapt to your interests, whether you're with family or a street art enthusiast.

**Highlights:** Geolocated art tours, Explore hidden art locations, Artist and gallerist narratives, Personalized adventure paths, Adaptable to user interests, Family-friendly experiences

**Features:** macOS Compatibility

**In-app purchases:** none


### HOURRAIL!

[App page](https://appshunter.io/ios/app/hourrail/id6758237529)

Explore Europe by train with this app. Discover destinations, compare journey times, and find travel ideas, including night trains. It highlights alternatives to flying for a different travel experience.

**Highlights:** Interactive journey map, Train travel inspiration, Night train routes, Long-distance route planner, Alternatives to flying, Traveler comments (Club HOURRAIL!)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement annuel au Club HOURRAIL! | $35.00 | per year |


## Frequently asked questions

### Is Atoflow free?

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

### Is HOURRAIL! free?

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

### Do Atoflow or HOURRAIL! have ads?

Neither Atoflow nor HOURRAIL! shows ads.

### Which is updated more often, Atoflow or HOURRAIL!?

Atoflow ships an update every 2 weeks, and HOURRAIL! fortnightly. Most recently, Atoflow was updated on November 4, 2026 and HOURRAIL! on November 5, 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.*