# Query Dojo vs CloudOps Eng Assoc Prep

The clearest difference is update cadence: Query Dojo at every 2 weeks against CloudOps Eng Assoc Prep's every 5 weeks. CloudOps Eng Assoc Prep's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Query Dojo sells 2 in-app purchases, starting at $7.95 per month and CloudOps Eng Assoc Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Query Dojo ships an update every 2 weeks, CloudOps Eng Assoc Prep every 5 weeks. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Query Dojo | CloudOps Eng Assoc Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/query-dojo-sql-practice/id6757411525/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Freemium | — |
| Size | 9 MB | 89 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rasim Salimov](https://appshunter.io/developer/1824330241) | [AITYTECH](https://appshunter.io/developer/1885549185) |

## What reviewers say

### Query Dojo

[App page](https://appshunter.io/ios/app/query-dojo-sql-practice/id6757411525)

Master SQL for tech interviews with hands-on challenges and interactive lessons. Practice real-world queries from top tech companies and track your progress to become job-ready.

**Highlights:** Hands-on SQL challenges, Real interview questions, Interactive lessons, SQL sandbox environment, Progress tracking, Daily streaks and achievements

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SQL Master Monthly Subscription | $7.95 | per month |
| SQL Master Yearly Subscription | $49.95 | per year |


### CloudOps Eng Assoc Prep

[App page](https://appshunter.io/ios/app/cloudops-eng-assoc-prep/id6761751789)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Query Dojo free?

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

### Is CloudOps Eng Assoc Prep free?

CloudOps Eng Assoc Prep is free to download, with in-app purchases available.

### Do Query Dojo or CloudOps Eng Assoc Prep have ads?

Neither Query Dojo nor CloudOps Eng Assoc Prep shows ads.

### Which is updated more often, Query Dojo or CloudOps Eng Assoc Prep?

Query Dojo ships an update every 2 weeks, and CloudOps Eng Assoc Prep every 5 weeks. Most recently, Query Dojo was updated on September 19, 2026 and CloudOps Eng Assoc Prep on September 11, 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.*