# SQL Primer vs SQL

The clearest difference is review sentiment: SQL Primer at 79% against SQL's 0%. SQL Primer also leads on ads (none vs shown) and monetization model (free vs ad-supported). SQL's advantage is update cadence (every 5 weeks vs every 27 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SQL Primer ships an update every 27 months, SQL every 5 weeks. The most recent releases landed on September 15, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SQL Primer | SQL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (20 ratings)](https://appshunter.io/ios/app/sql-primer/id374204155/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | **79.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 5 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 32 MB | 36 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dr. Ralph Heider](https://appshunter.io/developer/374204158) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### SQL Primer

[App page](https://appshunter.io/ios/app/sql-primer/id374204155)

Learn about relational algebra and SQL query language through sample queries, results, and descriptions. This app is suitable for beginners exploring databases or experienced users transitioning to SQL92.

**Highlights:** SQL92 and SQL86/89 sample queries, Query results display, Query descriptions, SQL test script display, Introduction to database concepts

**Features:** macOS Compatibility

**In-app purchases:** none


### SQL

[App page](https://appshunter.io/ios/app/sql-er-diagram/id1625280998)

Design, draw, and share entity relationship diagrams. Generate SQL scripts from your diagrams and learn SQL concepts through a dedicated study section. Automatically saves your work locally.

**Highlights:** Design ER diagrams, Generate SQL scripts, Share diagrams and scripts, Customizable canvas size, Automatic local saving, SQL study page, SQL syntax learning page

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SQL Primer free?

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

### Is SQL free?

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

### Do SQL Primer or SQL have ads?

SQL shows ads; SQL Primer does not.

### Which is updated more often, SQL Primer or SQL?

SQL Primer ships an update every 27 months, and SQL every 5 weeks. Most recently, SQL Primer was updated on September 15, 2026 and SQL on September 18, 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.*