# ABA Quiz Buddy vs Understanding Behavior BCBA

The clearest difference is review sentiment: Understanding Behavior BCBA at 100% against ABA Quiz Buddy's 0%. Understanding Behavior BCBA also leads on rating (5.0 vs 3.8) and ratings volume (89 vs 4). ABA Quiz Buddy's advantage is update cadence (every 3 days vs every 2 months) and iOS requirement (12.0 vs 15.2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ABA Quiz Buddy sells 3 one-off in-app purchases 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 3.8. That said, the two scores are not equally well evidenced: Understanding Behavior BCBA has 89 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of ABA Quiz Buddy's written reviews are positive against 100% of Understanding Behavior BCBA's.

ABA Quiz Buddy ships an update every 3 days, Understanding Behavior BCBA every 2 months. The most recent releases landed on October 3, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ABA Quiz Buddy | Understanding Behavior BCBA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/aba-quiz-buddy/id1563366417/reviews) | **[5.0 (89 ratings)](https://appshunter.io/ios/app/understanding-behavior-bcba/id6739206472/reviews)** |
| Number of ratings | 4 | **89** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 119 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Positive Behavior Supports Corp.](https://appshunter.io/developer/1495817311) | [Understanding Behavior LLC](https://appshunter.io/developer/1784214734) |

## What reviewers say

### ABA Quiz Buddy

[App page](https://appshunter.io/ios/app/aba-quiz-buddy/id1563366417)

Prepare for ABA certification exams with this mobile study tool. Test your knowledge on key areas, earn points for correct and quick answers, and climb the leaderboard to compete with other users.

**Highlights:** ABA certification exam preparation, On-the-go studying, Knowledge testing on key focus areas, Point-based scoring system, Leaderboard competition, Increased fluency in ABA concepts

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Behavior Assessment Quiz 2 | Free | one-time |
| Measurement & Data Quiz 2 | Free | one-time |
| Measurement: 3 quizzes | Free | 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 Quiz Buddy free?

ABA Quiz Buddy 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 Quiz Buddy or Understanding Behavior BCBA?

Understanding Behavior BCBA is rated higher. ABA Quiz Buddy averages 3.8 out of 5 from 4 ratings, while Understanding Behavior BCBA averages 5.0 from 89 ratings.

### Do ABA Quiz Buddy or Understanding Behavior BCBA have ads?

Neither ABA Quiz Buddy nor Understanding Behavior BCBA shows ads.

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

ABA Quiz Buddy ships an update every 3 days, and Understanding Behavior BCBA every 2 months. Most recently, ABA Quiz Buddy was updated on October 3, 2026 and Understanding Behavior BCBA on October 20, 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.*