Comparison

SQL Server Mobile Client vs ER Diagram AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SQL Server Mobile Client

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
Read full description

DB Compass for SQL Server allows you to access your MS SQL Server database directly and without any server setup. You can manage your data with a very clean and simple iOS user interface. FEATURES: • Connection over TLS encryption and/or SSH tunnel • SSH authentication support Secure Enclave Key and U2F/FIDO NFC Key • Assisted table creation and alter structure • Explore, filter, sort, and quick search table data • Query script with A.I. assisted composition and plan analysis • Database objects (tables, views, procedures, etc.) • Database statistics, sessions manager, server status graphs • ER Diagram Viewer • Advanced data grid for browse, edit, conditional formatting • Blob field preview, import and export • Job Activity Monitor • User list and Privileges • Import and Export in multiple formats • iCloud Sync for SQL and JS scripts • SQL plan analysis • Execute queries with Shortcuts App • Charts & Widgets OpenAI, Gemini and Claude integration requires api key and is only available in allowed regions. Ollama and LM Studio integration requires your server to connect to. Tested on SQL Server 2012, 2017 and Azure SQL Database. Does not support dynamic TCP port in conjunction with SSH tunnel. -- This is a Premium app that requires subscription or lifetime unlock -- Terms of Use: https://dbcompass.net/terms-and-conditions For feedback or suggestions contact info@dbcompass.net

About

ER Diagram AI

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
Read full description

Database design is crucial for developing apps and web services. However, designing and visualizing a schema can be time-consuming and complex. With this app, developers can design DB schemas effortlessly. Even with a rough outline, the app can automatically build the schema, and more detailed adjustments can also be made as needed. It is used in various situations such as: - New app development: Creating database schemas for new projects. - Reviewing existing database structures: Visualizing and improving existing DB designs. - Team collaboration: Sharing database designs among team members for efficient collaboration. - Client presentations: Proposing and explaining database designs to clients visually. - Learning: Helping new engineers get familiar with database design. - Quick prototyping: Quickly creating schemas for short-term projects. Please try it out whenever you need to design a database schema. [Features] - Intuitive operability Ease of use is the most important factor. It runs smoothly, and you can intuitively edit your maps. - Automatic SQL Conversion Automatically convert ER diagrams into SQL code. Supported databases include MySQL, PostgreSQL, Oracle, and SQLite. - Ready to use You can use it immediately without registering an account. - Multi-device support It supports cloud storage integration, allowing seamless editing across multiple devices. - Export and Share You can export and share your ER Diagram, and even edit them on a PC. - Import Exported files can be imported and edited. - Text-based editing Edit your ER Diagram directly using Mermaid notation. - Dark theme support Since it supports a dark theme, it is also ideal for use at night.

Screenshots

SQL Server Mobile Client4 screens
ER Diagram AI4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
SQL Server Mobile Client versus ER Diagram AI: the parameters behind the verdict, then further details
ParameterSQL Server Mobile ClientER Diagram AI
PriceFreeFree
Rating4.2 (56 ratings) — better1.0 (1 ratings)
Positive reviews76.9% of reviews — better50.0% of reviews
Number of ratings56 — better1
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.6 — better
Further details — not scored
Size129 MB56 MB
Age rating4+4+
DeveloperFilippo MaguoloYUKI TANAIKE

Customer experience

SQL Server Mobile Client

All ratings56 ratings
Positive80.4%
Neutral5.4%
Negative14.3%
Written reviews26 reviews
Positive76.9%
Neutral3.8%
Negative19.2%

ER Diagram AI

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

3 purchases

SQL Server Mobile Client

Subscriptions2
  • Monthly Subscription3 Days trial$2.991 Month
  • Yearly Subscription7 Days trial$29.991 Year
One-time1
  • Lifetime Premium Unlock$59.99
2 purchases

ER Diagram AI

Subscriptions2
  • Simple ER Pro Version (Monthly)$4.991 Month
  • Simple ER Pro Version (Annual)$44.991 Year

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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