# ABA Exam vs Terramoto

The clearest difference is price: ABA Exam at Free against Terramoto's $2.99. ABA Exam also leads on rating (4.8 vs 2.0) and ratings volume (317 vs 1). Terramoto's advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

ABA Exam is free to download; Terramoto costs $2.99 up front. ABA Exam sells 2 in-app purchases, starting at $24.99 per month. Terramoto asks for nothing beyond the download.

ABA Exam holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: ABA Exam has 317 ratings behind it against 1, so its average is the more settled of the two.

ABA Exam ships an update every 3 months, Terramoto every 4 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ABA Exam | Terramoto |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (317 ratings)](https://appshunter.io/ios/app/aba-exam/id1623173587/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/terramoto/id6759559589/reviews) |
| Number of ratings | **317** | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 36 MB | 43 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | +4 | 4+ |
| Developer | [MastrAPI](https://appshunter.io/developer/1618627725) | [Walter Tengler](https://appshunter.io/developer/1860699717) |

## 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

**Features:** Vision Pro support

**In-app purchases (2)**

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


### Terramoto

[App page](https://appshunter.io/ios/app/terramoto/id6759559589)

Explore the science of earthquakes and tsunamis with a real-time physics simulator. Understand wave propagation, coastal flooding, and affected cities using accurate geophysical data. This app is for educational and entertainment purposes only, not for emergency warnings.

**Highlights:** Real-time physics simulation, Tsunami wave propagation, Coastal flooding visualization, Affected cities analysis, Global coverage with real data, Educational geophysics tool

**In-app purchases:** none


## Frequently asked questions

### Is ABA Exam free?

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

### Is Terramoto free?

Terramoto costs $2.99, with no in-app purchases.

### Which has better reviews, ABA Exam or Terramoto?

ABA Exam is rated higher. ABA Exam averages 4.8 out of 5 from 317 ratings, while Terramoto averages 2.0 from 1 ratings.

### Do ABA Exam or Terramoto have ads?

Neither ABA Exam nor Terramoto shows ads.

### Which is updated more often, ABA Exam or Terramoto?

ABA Exam ships an update every 3 months, and Terramoto every 4 months. Most recently, ABA Exam was updated on October 24, 2026 and Terramoto on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*