# Professional English vs ATC Aptitude Test Prep

Professional English and ATC Aptitude Test Prep are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Professional English sells 5 in-app purchases, starting at $5.99 per month and ATC Aptitude Test Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Professional English ships an update every 2 days, ATC Aptitude Test Prep daily. The most recent releases landed on October 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Professional English | ATC Aptitude Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 74 MB | 58 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emre BIRINCI](https://appshunter.io/developer/1687658008) | [Joseph Halls](https://appshunter.io/developer/6792848111) |

## What reviewers say

### Professional English

[App page](https://appshunter.io/ios/app/professional-englishtermify/id6744872522)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly | $5.99 | per month |
| Pro Yearly | $9.99 | per month |
| Pro Yearly Special Discount | $24.99 | per year |
| Premium Yearly | $29.99 | per year |
| Pro Yearly | $49.99 | per year |


### ATC Aptitude Test Prep

[App page](https://appshunter.io/ios/app/atc-aptitude-test-prep/id6804258156)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ATC Exam Pro | $12.99 | one-time |


## Frequently asked questions

### Is Professional English free?

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

### Is ATC Aptitude Test Prep free?

ATC Aptitude Test Prep is free to download, with in-app purchases available.

### Do Professional English or ATC Aptitude Test Prep have ads?

Neither Professional English nor ATC Aptitude Test Prep shows ads.

### Which is updated more often, Professional English or ATC Aptitude Test Prep?

Professional English ships an update every 2 days, and ATC Aptitude Test Prep daily. Most recently, Professional English was updated on October 1, 2026 and ATC Aptitude Test Prep on October 29, 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.*