# Knowledge Galaxy KG vs BCBA Exam Prep 2026 ABA Test

The clearest difference is iOS requirement: Knowledge Galaxy KG at 15.5 against BCBA Exam Prep 2026 ABA Test's 18. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Knowledge Galaxy KG sells 10 one-off in-app purchases and BCBA Exam Prep 2026 ABA Test sells 4 in-app purchases, starting at $15.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Knowledge Galaxy KG | BCBA Exam Prep 2026 ABA Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 146 MB | 14 MB |
| Requires iOS | **15.5** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Online Learning](https://appshunter.io/developer/1790866777) | [Sunny Dasari](https://appshunter.io/developer/6798379765) |

## What reviewers say

### Knowledge Galaxy KG

[App page](https://appshunter.io/ios/app/knowledge-galaxy-kg/id6754694688)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AU | $34.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - AW | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - AX | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BG | $49.99 | one-time |


### BCBA Exam Prep 2026 ABA Test

[App page](https://appshunter.io/ios/app/bcba-exam-prep-2026-aba-test/id6804201899)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $15.99 | per month |
| 3 Months | $34.99 | per 3 months |
| 6 Months | $59.99 | per 6 months |
| Annual | $99.99 | per year |


## Frequently asked questions

### Is Knowledge Galaxy KG free?

Knowledge Galaxy KG is free to download, with in-app purchases available.

### Is BCBA Exam Prep 2026 ABA Test free?

BCBA Exam Prep 2026 ABA Test is free to download, with in-app purchases available.

### Do Knowledge Galaxy KG or BCBA Exam Prep 2026 ABA Test have ads?

Neither Knowledge Galaxy KG nor BCBA Exam Prep 2026 ABA Test shows ads.

---

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