# ABA Exam vs Understanding Behavior BCBA

ABA Exam and Understanding Behavior BCBA both sit at 4.8 stars, but that hides the real split: 100% of Understanding Behavior BCBA's written reviews are positive against 40% of ABA Exam's. ABA Exam's advantage is ratings volume (303 vs 88) and iOS requirement (13.0 vs 15.2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. ABA Exam sells 2 in-app purchases, starting at $24.99 per month and Understanding Behavior BCBA sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Understanding Behavior BCBA holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 303 and 88 respectively. Written reviews point the same way: 40% of ABA Exam's written reviews are positive against 100% of Understanding Behavior BCBA's.

ABA Exam ships an update every 3 months, Understanding Behavior BCBA every 2 months. The most recent releases landed on August 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ABA Exam | Understanding Behavior BCBA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (303 ratings)](https://appshunter.io/ios/app/aba-exam/id1623173587/reviews) | **[5.0 (88 ratings)](https://appshunter.io/ios/app/understanding-behavior-bcba/id6739206472/reviews)** |
| Number of ratings | **303** | 88 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 119 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MastrAPI](https://appshunter.io/developer/1618627725) | [Understanding Behavior LLC](https://appshunter.io/developer/1784214734) |

## What reviewers say

### ABA Exam

[App page](https://appshunter.io/ios/app/aba-exam/id1623173587)

Prepare for your Applied Behavioral Analysis (ABA) certification exam with this comprehensive study tool. It offers a personalized study plan, over 500 practice questions, and detailed performance tracking to help you identify strengths and weaknesses. Aim to pass your BCBA exam with confidence.

**Highlights:** Personalized study plan, 500+ practice questions, Topic-based learning, Strength and weakness tracking, Detailed test statistics, Community score comparison

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly with trial | $24.99 | per month |
| Lifetime | $99.99 | one-time |


### 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 free?

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

### Is Understanding Behavior BCBA free?

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

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

Understanding Behavior BCBA is rated higher. ABA Exam averages 4.8 out of 5 from 303 ratings, while Understanding Behavior BCBA averages 5.0 from 88 ratings.

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

Neither ABA Exam nor Understanding Behavior BCBA shows ads.

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

ABA Exam ships an update every 3 months, and Understanding Behavior BCBA every 2 months. Most recently, ABA Exam was updated on August 29, 2026 and Understanding Behavior BCBA on September 28, 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.*