# Space Train vs HAMUMU Survivor

The clearest difference is update cadence: HAMUMU Survivor at daily against Space Train's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Space Train sells 1 one-off in-app purchase and HAMUMU Survivor sells 8 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, HAMUMU Survivor daily. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Space Train | HAMUMU Survivor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Daily** |
| Size | 26 MB | 153 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Wiktor Wojcik](https://appshunter.io/developer/1583463783) | [WEBRAL, K.K.](https://appshunter.io/developer/1817744939) |

## 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 |


### HAMUMU Survivor

[App page](https://appshunter.io/ios/app/hamumu-survivor/id6814788731)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Coins | $0.99 | one-time |
| 10 Acorn Gems | $1.99 | one-time |
| 3,300 Coins | $2.99 | one-time |
| 30 Acorn Gems | $4.99 | one-time |
| 7,000 Coins | $5.99 | one-time |
| 70 Acorn Gems | $9.99 | one-time |
| 15,000 Coins | $11.99 | one-time |
| 40,000 Coins | $29.99 | one-time |


## Frequently asked questions

### Is Space Train free?

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

### Is HAMUMU Survivor free?

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

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

Both Space Train and HAMUMU Survivor show ads.

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

Space Train ships an update every 8 months, and HAMUMU Survivor daily. Most recently, Space Train was updated on October 28, 2026 and HAMUMU Survivor on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*