# DevOps Knowledge Test vs STEMQuest

The clearest difference is in-app purchases: STEMQuest at none against DevOps Knowledge Test's 2. DevOps Knowledge Test's advantage is iOS requirement (17.2 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

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

DevOps Knowledge Test ships an update monthly, STEMQuest every 4 weeks. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | DevOps Knowledge Test | STEMQuest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 9 MB | 7 MB |
| Requires iOS | **17.2** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [HANG ZHENG](https://appshunter.io/developer/1871954264) |

## 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 |


### STEMQuest

[App page](https://appshunter.io/ios/app/stemquest/id6758280282)

**Features:** macOS Compatibility

**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 STEMQuest free?

STEMQuest is free to download, with no in-app purchases.

### Do DevOps Knowledge Test or STEMQuest have ads?

Neither DevOps Knowledge Test nor STEMQuest shows ads.

### Which is updated more often, DevOps Knowledge Test or STEMQuest?

DevOps Knowledge Test ships an update monthly, and STEMQuest every 4 weeks. Most recently, DevOps Knowledge Test was updated on September 30, 2026 and STEMQuest on October 9, 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.*