# Kidz Learn Rocks vs Behavior Observer

The clearest difference is price: Behavior Observer at Free against Kidz Learn Rocks's $2.99. Kidz Learn Rocks's advantage is in-app purchases (none vs 2) and device support (4 vs 2). On ads there is nothing between them.

Behavior Observer is free to download; Kidz Learn Rocks costs $2.99 up front. Behavior Observer sells 2 in-app purchases, starting at $49.99 per year. Kidz Learn Rocks asks for nothing beyond the download.

## The numbers

| Metric | Kidz Learn Rocks | Behavior Observer |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | — |
| Size | 15 MB | 4 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Gomathy Shankaran](https://appshunter.io/developer/503956143) | [Daniel Zaccaro](https://appshunter.io/developer/1895771100) |

## What reviewers say

### Kidz Learn Rocks

[App page](https://appshunter.io/ios/app/kidz-learn-rocks/id1467550863)

**In-app purchases:** none


### Behavior Observer

[App page](https://appshunter.io/ios/app/behavior-observer/id6789358581)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Behavior Observer Pro | $49.99 | per year |
| Behavior Observer Pro Lifetime | $149.00 | one-time |


## Frequently asked questions

### Is Kidz Learn Rocks free?

Kidz Learn Rocks costs $2.99, with no in-app purchases.

### Is Behavior Observer free?

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

### Do Kidz Learn Rocks or Behavior Observer have ads?

Neither Kidz Learn Rocks nor Behavior Observer 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.*