# Bluebird vs CloudLabs Saving the Earth

The clearest difference is in-app purchases: CloudLabs Saving the Earth at none against Bluebird's 5. CloudLabs Saving the Earth also leads on iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Bluebird sells 5 in-app purchases, starting at $9.99 per month. CloudLabs Saving the Earth asks for nothing beyond the download.

## The numbers

| Metric | Bluebird | CloudLabs Saving the Earth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 45 MB | 235 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Pronunciator LLC](https://appshunter.io/developer/520228857) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Bluebird

[App page](https://appshunter.io/ios/app/bluebird-learn-czech/id1583922699)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited languages (1 month) | $9.99 | per month |
| Unlimited languages (1 year) | $99.99 | per year |
| RAPID TEST PRODUCT | $19.99 | one-time |
| One Language Lifetime purchase | $99.00 | one-time |
| Lifetime purchase | $199.99 | one-time |


### CloudLabs Saving the Earth

[App page](https://appshunter.io/ios/app/cloudlabs-saving-the-earth/id6470089029)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bluebird free?

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

### Is CloudLabs Saving the Earth free?

CloudLabs Saving the Earth is free to download, with no in-app purchases.

### Do Bluebird or CloudLabs Saving the Earth have ads?

Neither Bluebird nor CloudLabs Saving the Earth shows ads.

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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.*