# SQL Server Mobile Client vs ER Diagram AI

The clearest difference is rating: SQL Server Mobile Client at 4.2 against ER Diagram AI's 1.0. SQL Server Mobile Client also leads on review sentiment (77% vs 50%) and ratings volume (56 vs 1). ER Diagram AI's advantage is monetization model (freemium vs subscription). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SQL Server Mobile Client sells 3 in-app purchases, starting at $2.99 per month and ER Diagram AI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

SQL Server Mobile Client holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: SQL Server Mobile Client has 56 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 77% of SQL Server Mobile Client's written reviews are positive against 50% of ER Diagram AI's.

SQL Server Mobile Client ships an update every 3 weeks, ER Diagram AI fortnightly. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SQL Server Mobile Client | ER Diagram AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (56 ratings)](https://appshunter.io/ios/app/sql-server-mobile-client/id1406176302/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/er-diagram-ai/id6711352942/reviews) |
| Number of ratings | **56** | 1 |
| Positive reviews | **76.9% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Subscription | **Freemium** |
| Size | 129 MB | 56 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Filippo Maguolo](https://appshunter.io/developer/1154554717) | [YUKI TANAIKE](https://appshunter.io/developer/478558546) |

## What reviewers say

### SQL Server Mobile Client

[App page](https://appshunter.io/ios/app/sql-server-mobile-client/id1406176302)

Access and manage your MS SQL Server databases directly from your iOS device. This app offers a clean interface for exploring, editing, and querying data, with advanced features like AI-assisted query composition and ER diagram viewing.

**Highlights:** Secure database connection (TLS/SSH), Data exploration, filtering, and searching, AI-assisted SQL query composition, Database object management, ER Diagram Viewer, Advanced data grid for editing, Import and export data

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $29.99 | per year |
| Lifetime Premium Unlock | $59.99 | one-time |


### ER Diagram AI

[App page](https://appshunter.io/ios/app/er-diagram-ai/id6711352942)

Design and visualize database schemas effortlessly with AI assistance. Quickly generate schemas from outlines, make detailed adjustments, and convert diagrams to SQL for various databases. Ideal for new development, reviews, collaboration, and learning.

**Highlights:** AI-assisted schema generation, Automatic SQL conversion, Intuitive editing, Multi-device support via Google Drive, Export and share diagrams, Text-based editing with Mermaid notation, Dark theme support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple ER Pro Version (Monthly) | $4.99 | per month |
| Simple ER Pro Version (Annual) | $44.99 | per year |


## Frequently asked questions

### Is SQL Server Mobile Client free?

SQL Server Mobile Client is free to download, with in-app purchases available.

### Is ER Diagram AI free?

ER Diagram AI is free to download, with in-app purchases available.

### Which has better reviews, SQL Server Mobile Client or ER Diagram AI?

SQL Server Mobile Client is rated higher. SQL Server Mobile Client averages 4.2 out of 5 from 56 ratings, while ER Diagram AI averages 1.0 from 1 ratings.

### Do SQL Server Mobile Client or ER Diagram AI have ads?

Neither SQL Server Mobile Client nor ER Diagram AI shows ads.

### Which is updated more often, SQL Server Mobile Client or ER Diagram AI?

SQL Server Mobile Client ships an update every 3 weeks, and ER Diagram AI fortnightly. Most recently, SQL Server Mobile Client was updated on October 14, 2026 and ER Diagram AI on October 1, 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.*