# Invaders Quest vs HOURRAIL!

The clearest difference is update cadence: HOURRAIL! at fortnightly against Invaders Quest's monthly. HOURRAIL! also leads on iOS requirement (15.5 vs 17.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Invaders Quest sells 6 in-app purchases, starting at $2.99 per month and HOURRAIL! sells 1 in-app purchase, starting at $35.00 per year. Whichever you choose, the download price is not the number that matters.

Invaders Quest ships an update monthly, HOURRAIL! fortnightly. The most recent releases landed on October 30, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Invaders Quest | HOURRAIL! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/invaders-quest-discovery-map/id6737434884/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 31 MB | 88 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Florian Pygmalion](https://appshunter.io/developer/1713316116) | [Hourrail !](https://appshunter.io/developer/1871689012) |

## What reviewers say

### Invaders Quest

[App page](https://appshunter.io/ios/app/invaders-quest-discovery-map/id6737434884)

Discover and track over 4,700 geolocated street art mosaics across 49 cities. Navigate directly to locations, mark your finds, and earn achievements. Works offline and features a retro 8-bit design.

**Highlights:** Interactive map with 4,700+ mosaic locations, Filter by status and city, Track collection progress, Earn coins and unlock achievements, Direct navigation to locations, Offline functionality, Retro 8-bit design

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Quest | $2.99 | per month |
| Premium Quest | $3.99 | per 7 days |
| Premium Quest | $3.99 | per month |
| Premium Quest | $7.99 | per month |
| Premium Quest | $19.99 | per year |
| Premium Quest | $39.99 | per year |


### 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 Invaders Quest free?

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

### Is HOURRAIL! free?

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

### Do Invaders Quest or HOURRAIL! have ads?

Neither Invaders Quest nor HOURRAIL! shows ads.

### Which is updated more often, Invaders Quest or HOURRAIL!?

Invaders Quest ships an update monthly, and HOURRAIL! fortnightly. Most recently, Invaders Quest was updated on October 30, 2026 and HOURRAIL! on November 13, 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.*