# ABA Exam (BCBA) vs Understanding Behavior BCBA

The clearest difference is price: Understanding Behavior BCBA at Free against ABA Exam (BCBA)'s $8.99. Understanding Behavior BCBA also leads on update cadence (every 2 months vs every 39 months). ABA Exam (BCBA)'s advantage is in-app purchases (none vs 4) and iOS requirement (12.0 vs 15.2). On ads and device support there is nothing between them.

Understanding Behavior BCBA is free to download; ABA Exam (BCBA) costs $8.99 up front. Understanding Behavior BCBA sells 4 one-off in-app purchases. ABA Exam (BCBA) asks for nothing beyond the download.

ABA Exam (BCBA) ships an update every 39 months, Understanding Behavior BCBA every 2 months. The most recent releases landed on March 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ABA Exam (BCBA) | Understanding Behavior BCBA |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | — | **[5.0 (88 ratings)](https://appshunter.io/ios/app/understanding-behavior-bcba/id6739206472/reviews)** |
| Number of ratings | — | **88** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 120 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adnan Sheikh](https://appshunter.io/developer/478871268) | [Understanding Behavior LLC](https://appshunter.io/developer/1784214734) |

## What reviewers say

### ABA Exam (BCBA)

[App page](https://appshunter.io/ios/app/aba-exam-bcba/id1550588734)

**Features:** macOS Compatibility

**In-app purchases:** none


### Understanding Behavior BCBA

[App page](https://appshunter.io/ios/app/understanding-behavior-bcba/id6739206472)

Prepare for your BCBA/BCaBA certification exam with this comprehensive study tool. Access free practice questions, mini mock exams, and courses. Connect with a supportive community and find affordable study materials to help you pass.

**Highlights:** Free mini mock exams, Free fluency questions, Free courses (coming soon), Notifications for free study groups, Access to paid study products, Community interaction

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study Hall Notes & Recordings | $19.99 | one-time |
| Fluency Questions | $39.99 | one-time |
| Mini Mocks UB | $99.00 | one-time |
| Comprehensive BCBA Exam Course | $324.99 | one-time |

**What reviewers like**

- 🚀 Excellent prep material
- 👍 Fun and clarity
- 🚀 Life saver
- 🚀 Study Materials that WORK
- 👍 Easy to Use


## Frequently asked questions

### Is ABA Exam (BCBA) free?

ABA Exam (BCBA) costs $8.99, with no in-app purchases.

### Is Understanding Behavior BCBA free?

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

### Do ABA Exam (BCBA) or Understanding Behavior BCBA have ads?

Neither ABA Exam (BCBA) nor Understanding Behavior BCBA shows ads.

### Which is updated more often, ABA Exam (BCBA) or Understanding Behavior BCBA?

ABA Exam (BCBA) ships an update every 39 months, and Understanding Behavior BCBA every 2 months. Most recently, ABA Exam (BCBA) was updated on March 5, 2026 and Understanding Behavior BCBA on September 19, 2026.

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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.*