# Understanding Behavior BCBA vs ABA Mastery

The clearest difference is update cadence: ABA Mastery at every 4 days against Understanding Behavior BCBA's every 2 months. Understanding Behavior BCBA's advantage is ratings volume (88 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Understanding Behavior BCBA sells 4 one-off in-app purchases and ABA Mastery sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Understanding Behavior BCBA against 5.0 for ABA Mastery. That said, the two scores are not equally well evidenced: Understanding Behavior BCBA has 88 ratings behind it against 2, so its average is the more settled of the two.

Understanding Behavior BCBA ships an update every 2 months, ABA Mastery every 4 days. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Understanding Behavior BCBA | ABA Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (88 ratings)](https://appshunter.io/ios/app/understanding-behavior-bcba/id6739206472/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/aba-mastery/id6786924174/reviews) |
| Number of ratings | **88** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 119 MB | 39 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Understanding Behavior LLC](https://appshunter.io/developer/1784214734) | [David Do](https://appshunter.io/developer/1892262776) |

## What reviewers say

### 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


### ABA Mastery

[App page](https://appshunter.io/ios/app/aba-mastery/id6786924174)

Prepare for the BCBA exam with an AI-powered study app. It analyzes your performance to focus on weak areas, offers practice questions with detailed rationales, and provides lessons and mnemonic songs for concept mastery. Track your progress and readiness with built-in analytics.

**Highlights:** AI-powered adaptive learning, Scenario-based practice questions, Full-length mock exams, AI Study Coach and Partner, Clear, jargon-free lessons, Mnemonic songs for concepts, Progress tracking and readiness score

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Tutor Add-on | $9.99 | per month |
| Pro Monthly | $14.99 | per month |
| Pro Yearly | $149.00 | per year |
| Lifetime Access | $199.00 | one-time |


## Frequently asked questions

### Is Understanding Behavior BCBA free?

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

### Is ABA Mastery free?

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

### Which has better reviews, Understanding Behavior BCBA or ABA Mastery?

Understanding Behavior BCBA and ABA Mastery are both rated 5.0 out of 5 on the App Store, from 88 and 2 ratings respectively.

### Do Understanding Behavior BCBA or ABA Mastery have ads?

Neither Understanding Behavior BCBA nor ABA Mastery shows ads.

### Which is updated more often, Understanding Behavior BCBA or ABA Mastery?

Understanding Behavior BCBA ships an update every 2 months, and ABA Mastery every 4 days. Most recently, Understanding Behavior BCBA was updated on October 7, 2026 and ABA Mastery on September 24, 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.*