# DevOps Knowledge Test vs ACE Cloud Engineer Exam Prep

The clearest difference is in-app purchases: ACE Cloud Engineer Exam Prep at none against DevOps Knowledge Test's 2. ACE Cloud Engineer Exam Prep also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.2). DevOps Knowledge Test's advantage is update cadence (monthly vs every 3 months). On price and ads there is nothing between them.

Both are free to download. DevOps Knowledge Test sells 2 in-app purchases, starting at $9.99 per month. ACE Cloud Engineer Exam Prep asks for nothing beyond the download.

DevOps Knowledge Test ships an update monthly, ACE Cloud Engineer Exam Prep every 3 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | DevOps Knowledge Test | ACE Cloud Engineer Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 9 MB | 27 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### DevOps Knowledge Test

[App page](https://appshunter.io/ios/app/devops-knowledge-test/id6736851241)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $24.99 | one-time |


### ACE Cloud Engineer Exam Prep

[App page](https://appshunter.io/ios/app/ace-cloud-engineer-exam-prep/id6756784035)

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

**In-app purchases:** none


## Frequently asked questions

### Is DevOps Knowledge Test free?

DevOps Knowledge Test is free to download, with in-app purchases available.

### Is ACE Cloud Engineer Exam Prep free?

ACE Cloud Engineer Exam Prep is free to download, with no in-app purchases.

### Do DevOps Knowledge Test or ACE Cloud Engineer Exam Prep have ads?

Neither DevOps Knowledge Test nor ACE Cloud Engineer Exam Prep shows ads.

### Which is updated more often, DevOps Knowledge Test or ACE Cloud Engineer Exam Prep?

DevOps Knowledge Test ships an update monthly, and ACE Cloud Engineer Exam Prep every 3 months. Most recently, DevOps Knowledge Test was updated on November 8, 2026 and ACE Cloud Engineer Exam Prep on November 9, 2026.

---

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