# Slime lab. vs Choo Choo!

The clearest difference is in-app purchases: Slime lab. at none against Choo Choo!'s 10. Slime lab. also leads on iOS requirement (12.0 vs 14.0). Choo Choo!'s advantage is device support. On price there is nothing between them.

Both are free to download. Choo Choo! sells 10 one-off in-app purchases. Slime lab. asks for nothing beyond the download.

## The numbers

| Metric | Slime lab. | Choo Choo! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 103 MB | 215 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lev Dubrovskiy](https://appshunter.io/developer/1221928588) | [Grace Studio LTD.](https://appshunter.io/developer/1776588830) |

## What reviewers say

### Slime lab.

[App page](https://appshunter.io/ios/app/slime-lab/id6505000041)

**In-app purchases:** none


### Choo Choo!

[App page](https://appshunter.io/ios/app/choo-choo/id6737684307)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250 Coin | $4.99 | one-time |
| Starter Pack | $4.99 | one-time |
| Remove Ads | $6.99 | one-time |
| Remove Offer | $7.99 | one-time |
| 500 Coin | $8.99 | one-time |
| Special Offer | $8.99 | one-time |
| Super Pack | $10.99 | one-time |
| Mega Pack | $16.99 | one-time |
| 2500 Coin | $25.99 | one-time |
| 5000 Coin | $44.99 | one-time |


## Frequently asked questions

### Is Slime lab. free?

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

### Is Choo Choo! free?

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

---

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