# COA Practice Prep Test vs BrainScope

The clearest difference is iOS requirement: COA Practice Prep Test at 13.0 against BrainScope's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. COA Practice Prep Test sells 2 one-off in-app purchases and BrainScope sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

COA Practice Prep Test ships an update every 3 months, BrainScope every 2 months. The most recent releases landed on May 17, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | COA Practice Prep Test | BrainScope |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 52 MB | 25 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nova Scotia Limited](https://appshunter.io/developer/1757830011) | [ZST](https://appshunter.io/developer/1274473128) |

## What reviewers say

### COA Practice Prep Test

[App page](https://appshunter.io/ios/app/coa-practice-prep-test/id6745927658)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |
| Lifetime Offer | $9.99 | one-time |


### BrainScope

[App page](https://appshunter.io/ios/app/brainscope/id6749882036)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip $1.99 | $1.99 | one-time |
| Tip $2.99 | $2.99 | one-time |
| Tip $4.99 | $4.99 | one-time |
| Tip $9.99 | $9.99 | one-time |


## Frequently asked questions

### Is COA Practice Prep Test free?

COA Practice Prep Test is free to download, with in-app purchases available.

### Is BrainScope free?

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

### Do COA Practice Prep Test or BrainScope have ads?

Neither COA Practice Prep Test nor BrainScope shows ads.

### Which is updated more often, COA Practice Prep Test or BrainScope?

COA Practice Prep Test ships an update every 3 months, and BrainScope every 2 months. Most recently, COA Practice Prep Test was updated on May 17, 2026 and BrainScope on September 17, 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.*