# BCBA Gauge vs Behavior Observer

The clearest difference is ads: Behavior Observer at none against BCBA Gauge's shown. BCBA Gauge's advantage is iOS requirement (13.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. BCBA Gauge sells 2 in-app purchases, starting at $1.99 per month and Behavior Observer sells 2 in-app purchases, starting at $49.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | BCBA Gauge | Behavior Observer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/bcba-gauge-bcba-exams-prep/id6745793062/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 4 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Derrick Ochieng](https://appshunter.io/developer/1813909071) | [Daniel Zaccaro](https://appshunter.io/developer/1895771100) |

## What reviewers say

### BCBA Gauge

[App page](https://appshunter.io/ios/app/bcba-gauge-bcba-exams-prep/id6745793062)

Prepare for BCBA exams with a vast question bank and realistic mock tests. Deepen understanding with detailed explanations and focus on specific behavior analysis categories. Track progress and bookmark questions for effective study.

**Highlights:** Comprehensive question database, Realistic mock exams, Detailed answer explanations, Category-specific practice, Progress tracking analytics, Bookmark questions, Customizable study settings

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access all exams - Monthly | $1.99 | per month |
| Access all exams - Yearly | $17.99 | per year |


### 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 BCBA Gauge free?

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

### Is Behavior Observer free?

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

### Do BCBA Gauge or Behavior Observer have ads?

BCBA Gauge shows ads; Behavior Observer does not.

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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.*