# SQL vs Senthil Public School Salem

The clearest difference is price: Senthil Public School Salem at Free against SQL's $5.99. Senthil Public School Salem also leads on iOS requirement (12.0 vs 15.1). SQL's advantage is update cadence (every 5 weeks vs every 11 months). On ads, in-app purchases and device support there is nothing between them.

Senthil Public School Salem is free to download; SQL costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SQL ships an update every 5 weeks, Senthil Public School Salem every 11 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SQL | Senthil Public School Salem |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sql-er-diagram-pro/id1625278308/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 11 months |
| Monetization | Paid | — |
| Size | 31 MB | 24 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Nirals Information Technologies Private Limited](https://appshunter.io/developer/1048861629) |

## What reviewers say

### SQL

[App page](https://appshunter.io/ios/app/sql-er-diagram-pro/id1625278308)

Design, draw, and share entity relationship diagrams with this app. Generate SQL scripts from your diagrams and access study pages for SQL topics and syntax. Perfect for learning SQL graphically and textually.

**Highlights:** Design and draw ER diagrams, Generate SQL scripts from diagrams, Customizable canvas size, Automatic local saving, Study pages for SQL topics, Learn SQL syntax pages

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

**In-app purchases:** none


### Senthil Public School Salem

[App page](https://appshunter.io/ios/app/senthil-public-school-salem/id1636334265)

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

**In-app purchases:** none


## Frequently asked questions

### Is SQL free?

SQL costs $5.99, with no in-app purchases.

### Is Senthil Public School Salem free?

Senthil Public School Salem is free to download, with no in-app purchases.

### Do SQL or Senthil Public School Salem have ads?

Neither SQL nor Senthil Public School Salem shows ads.

### Which is updated more often, SQL or Senthil Public School Salem?

SQL ships an update every 5 weeks, and Senthil Public School Salem every 11 months. Most recently, SQL was updated on November 5, 2026 and Senthil Public School Salem on November 3, 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.*