# Understanding Behavior BCBA vs Tacti

The clearest difference is ratings volume: Understanding Behavior BCBA at 89 against Tacti's 6. Tacti's advantage is update cadence (every 3 weeks vs every 2 months). 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 Tacti sells 2 in-app purchases, starting at $19.99 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 Tacti. That said, the two scores are not equally well evidenced: Understanding Behavior BCBA has 89 ratings behind it against 6, so its average is the more settled of the two.

Understanding Behavior BCBA ships an update every 2 months, Tacti every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Understanding Behavior BCBA | Tacti |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (89 ratings)](https://appshunter.io/ios/app/understanding-behavior-bcba/id6739206472/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/tacti-bcba-exam-prep-2026/id6753998260/reviews)** |
| Number of ratings | **89** | 6 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 119 MB | 49 MB |
| Requires iOS | 15.2 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Understanding Behavior LLC](https://appshunter.io/developer/1784214734) | [Bruno Andres Trillo](https://appshunter.io/developer/1846196543) |

## 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


### Tacti

[App page](https://appshunter.io/ios/app/tacti-bcba-exam-prep-2026/id6753998260)

Prepare for the BCBA exam with daily practice, spaced review, and mock exams. Track your progress with detailed analytics and expert explanations for over 1,000 practice questions. Aimed at making exam preparation simple and manageable.

**Highlights:** 1,000+ practice questions with explanations, Full-length timed mock exams, Progress tracking by domain, Daily study challenges, Spaced review for missed questions, Exam readiness score, Detailed analytics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $19.99 | per month |
| Pro Quarterly | $49.99 | per 3 months |


## Frequently asked questions

### Is Understanding Behavior BCBA free?

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

### Is Tacti free?

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

### Which has better reviews, Understanding Behavior BCBA or Tacti?

Tacti is rated higher. Understanding Behavior BCBA averages 5.0 out of 5 from 89 ratings, while Tacti averages 5.0 from 6 ratings.

### Do Understanding Behavior BCBA or Tacti have ads?

Neither Understanding Behavior BCBA nor Tacti shows ads.

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

Understanding Behavior BCBA ships an update every 2 months, and Tacti every 3 weeks. Most recently, Understanding Behavior BCBA was updated on October 30, 2026 and Tacti on November 5, 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.*