# PE4 Exam Pro vs SteamTicket

The clearest difference is update cadence: SteamTicket at every 3 days against PE4 Exam Pro's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PE4 Exam Pro sells 6 in-app purchases, starting at $39.99 per month and SteamTicket sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PE4 Exam Pro ships an update every 2 months, SteamTicket every 3 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PE4 Exam Pro | SteamTicket |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 16 MB | 3 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Reddick](https://appshunter.io/developer/1885919293) | [Nicolas Hesson](https://appshunter.io/developer/6779681114) |

## What reviewers say

### PE4 Exam Pro

[App page](https://appshunter.io/ios/app/pe4-exam-pro-power-engineer/id6760730125)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PE4A Monthly | $39.99 | per month |
| PE4B Monthly | $39.99 | per month |
| Flashcard Pack 4A | $6.99 | one-time |
| Flashcard Pack 4B | $6.99 | one-time |
| Hazardly Pack 4A | $14.99 | one-time |
| Hazardly Pack 4B | $14.99 | one-time |


### SteamTicket

[App page](https://appshunter.io/ios/app/steamticket-power-engineering/id6780224078)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4th Class Part A | $69.99 | one-time |
| Refrigeration Plant Operator | $69.99 | one-time |
| 313A Red Seal Refrig. | $69.99 | one-time |
| 2nd Class Part A | $79.99 | one-time |
| 1st Class Part B | $79.99 | one-time |
| Refrigeration Operator Class A | $79.99 | one-time |
| 4th Class Bundle (A+B) | $99.99 | one-time |
| 3rd Class Bundle (A+B) | $129.99 | one-time |
| 2nd Class Bundle (A+B) | $149.99 | one-time |
| All-Access — every class | $349.99 | one-time |


## Frequently asked questions

### Is PE4 Exam Pro free?

PE4 Exam Pro is free to download, with in-app purchases available.

### Is SteamTicket free?

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

### Do PE4 Exam Pro or SteamTicket have ads?

Neither PE4 Exam Pro nor SteamTicket shows ads.

### Which is updated more often, PE4 Exam Pro or SteamTicket?

PE4 Exam Pro ships an update every 2 months, and SteamTicket every 3 days. Most recently, PE4 Exam Pro was updated on October 31, 2026 and SteamTicket 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.*