# SQL Mysteries vs Modstack

The clearest difference is in-app purchases: SQL Mysteries at none against Modstack's 1. Modstack's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Modstack sells 1 one-off in-app purchase. SQL Mysteries asks for nothing beyond the download.

## The numbers

| Metric | SQL Mysteries | Modstack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sql-mysteries-cold-query/id6789938253/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Monetization | Free | — |
| Size | 15 MB | 30 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Andrew Mikhael](https://appshunter.io/developer/6789938255) | [NovoBuild LLC](https://appshunter.io/developer/1784126512) |

## What reviewers say

### SQL Mysteries

[App page](https://appshunter.io/ios/app/sql-mysteries-cold-query/id6789938253)

Solve detective cases by writing real SQL queries to uncover clues hidden within databases. This game offers an interactive way to learn SQL concepts through engaging mystery scenarios, providing instant feedback on your progress.

**Highlights:** Learn SQL through mystery cases, Practice SELECT, WHERE, JOINs, and more, Instant query feedback, Build an evidence board, Track progress with detective dossier, Unlock full case library

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

**In-app purchases:** none


### Modstack

[App page](https://appshunter.io/ios/app/modstack-programming-puzzle/id6803866356)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Modstack | $3.99 | one-time |


## Frequently asked questions

### Is SQL Mysteries free?

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

### Is Modstack free?

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

### Do SQL Mysteries or Modstack have ads?

Neither SQL Mysteries nor Modstack 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.*