# Space Train vs Cave Survivor

The clearest difference is ads: Cave Survivor at none against Space Train's shown. Cave Survivor also leads on update cadence (every 10 days vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Space Train sells 1 one-off in-app purchase and Cave Survivor sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Space Train ships an update every 8 months, Cave Survivor every 10 days. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Space Train | Cave Survivor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 10 days** |
| Size | 26 MB | 313 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Wiktor Wojcik](https://appshunter.io/developer/1583463783) | [YoungHo Choi](https://appshunter.io/developer/1860801558) |

## What reviewers say

### Space Train

[App page](https://appshunter.io/ios/app/space-train/id6752956384)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### Cave Survivor

[App page](https://appshunter.io/ios/app/cave-survivor/id6756478497)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Daily Equipment Package | $4.99 | one-time |
| Daily Enhance Package | $4.99 | one-time |
| Weekday Popup Package | $4.99 | one-time |
| Daily Equipment Package | $9.99 | one-time |
| Daily Enhance Package | $9.99 | one-time |
| Weekday Popup Package | $9.99 | one-time |
| Daily Equipment Package | $19.99 | one-time |
| Daily Enhance Package | $19.99 | one-time |
| Weekday Popup Package | $19.99 | one-time |
| Weekday Popup Package | $49.99 | one-time |


## Frequently asked questions

### Is Space Train free?

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

### Is Cave Survivor free?

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

### Do Space Train or Cave Survivor have ads?

Space Train shows ads; Cave Survivor does not.

### Which is updated more often, Space Train or Cave Survivor?

Space Train ships an update every 8 months, and Cave Survivor every 10 days. Most recently, Space Train was updated on October 9, 2026 and Cave Survivor on October 7, 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.*