# Blue Bird School vs Knowledge Nerds

The clearest difference is in-app purchases: Blue Bird School at none against Knowledge Nerds's 10. Blue Bird School also leads on iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Knowledge Nerds sells 10 one-off in-app purchases. Blue Bird School asks for nothing beyond the download.

## The numbers

| Metric | Blue Bird School | Knowledge Nerds |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 52 MB | 146 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yearbook Canvas Private Limited](https://appshunter.io/developer/1503635735) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Blue Bird School

[App page](https://appshunter.io/ios/app/blue-bird-school/id6499322143)

**Features:** macOS Compatibility

**In-app purchases:** none


### Knowledge Nerds

[App page](https://appshunter.io/ios/app/knowledge-nerds/id6753704280)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AV | $34.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - AW | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BF | $49.99 | one-time |


## Frequently asked questions

### Is Blue Bird School free?

Blue Bird School is free to download, with no in-app purchases.

### Is Knowledge Nerds free?

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

### Do Blue Bird School or Knowledge Nerds have ads?

Neither Blue Bird School nor Knowledge Nerds 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.*