# Full Spectrum ABA vs Understanding Behavior BCBA

The clearest difference is in-app purchases: Full Spectrum ABA at none against Understanding Behavior BCBA's 4. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Understanding Behavior BCBA sells 4 one-off in-app purchases. Full Spectrum ABA asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Full Spectrum ABA against 5.0 for Understanding Behavior BCBA. Both are backed by a comparable volume of ratings — 59 and 88 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Full Spectrum ABA | Understanding Behavior BCBA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (59 ratings)](https://appshunter.io/ios/app/full-spectrum-aba/id1598376819/reviews) | [5.0 (88 ratings)](https://appshunter.io/ios/app/understanding-behavior-bcba/id6739206472/reviews) |
| Number of ratings | 59 | **88** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 50 MB | 119 MB |
| Requires iOS | **15.1** | 15.2 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Full Spectrum Behavior Analysis LLC](https://appshunter.io/developer/1598376821) | [Understanding Behavior LLC](https://appshunter.io/developer/1784214734) |

## What reviewers say

### Full Spectrum ABA

[App page](https://appshunter.io/ios/app/full-spectrum-aba/id1598376819)

Access free Continuing Education Units for ABA providers, including journal clubs, leadership programs, podcasts, and training. The app also provides information on ABA therapy services for children and young adults with autism.

**Highlights:** Free CEUs for ABA providers, Journal clubs and podcasts, Leadership and entrepreneurship programs, PGP trainings and RBT mentorship, Information on ABA therapy services, Autistic advocacy updates

**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 Full Spectrum ABA free?

Full Spectrum ABA is free to download, with no in-app purchases.

### Is Understanding Behavior BCBA free?

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

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

Full Spectrum ABA and Understanding Behavior BCBA are both rated 5.0 out of 5 on the App Store, from 59 and 88 ratings respectively.

### Do Full Spectrum ABA or Understanding Behavior BCBA have ads?

Neither Full Spectrum ABA nor Understanding Behavior BCBA shows ads.

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

Full Spectrum ABA ships an update every 2 months, and Understanding Behavior BCBA every 2 months. Most recently, Full Spectrum ABA was updated on October 15, 2026 and Understanding Behavior BCBA on October 7, 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.*