# Skilled Trades iCert Prep vs ASE A8 Engine Performance Test

Skilled Trades iCert Prep and ASE A8 Engine Performance Test are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Skilled Trades iCert Prep sells 3 in-app purchases, starting at $34.99 per 3 months and ASE A8 Engine Performance Test sells 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Skilled Trades iCert Prep | ASE A8 Engine Performance Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 113 MB | 35 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [iCert Inc.](https://appshunter.io/developer/1650970619) | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) |

## What reviewers say

### Skilled Trades iCert Prep

[App page](https://appshunter.io/ios/app/skilled-trades-icert-prep/id6581486443)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Month Resource & Exam Access | $34.99 | per 3 months |
| 6-Month Resource & Exam Access | $49.99 | per 6 months |
| Annual Resource & Exam Access | $79.99 | per year |


### ASE A8 Engine Performance Test

[App page](https://appshunter.io/ios/app/ase-a8-engine-performance-test/id6741391984)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ASE A8 Weekly Full Access | $8.99 | per 7 days |
| ASE A8 Monthly Full Access | $24.99 | per month |
| ASE A8 Monthly Full Access | $34.99 | per month |
| ASE A8 Quarterly Full Access | $55.99 | per 3 months |
| ASE A8 Quarterly Full Access | $59.99 | per 3 months |
| ASE A8 Semiannual Full Access | $75.99 | per 6 months |
| ASE A8 Semiannual Full Access | $79.99 | per 6 months |
| ASE A8 Annual Full Access | $109.99 | per year |
| ASE A8 Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is Skilled Trades iCert Prep free?

Skilled Trades iCert Prep is free to download, with in-app purchases available.

### Is ASE A8 Engine Performance Test free?

ASE A8 Engine Performance Test is free to download, with in-app purchases available.

### Do Skilled Trades iCert Prep or ASE A8 Engine Performance Test have ads?

Neither Skilled Trades iCert Prep nor ASE A8 Engine Performance Test shows ads.

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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.*