Comparison

SQL vs Pole Star Secondary School

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

Head to head
About

SQL

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
Read full description

The SQLERDiagram is a feature rich app designed by an engineer. The SQLERDiagram is carefully designed to be a simple and elegant app. Easy to use, easy to understand, simple and effective. This app allows the creative smart people like you to design, draw, and share entity relationship diagram. You can also generate a SQL script for the ER diagram and then copy or share the SQL script. Canvas's size can be customized (increase horizontally or vertically) if you need more space to draw ER diagram. It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. This is a perfect app if you are learning SQL. There a Study page to help you with learning some important SQl topics. There is also a LearnSyntax page to help you with learning some important SQl syntaxes. Sharpen you brain by using this app and learning about the SQL using both graphically (diagram) and textually (script). Be creative. Enjoy the app!

About

Pole Star Secondary School

Features
Read full description

The Polestar Secondary School app is a comprehensive platform designed to streamline communication between parents and school administrators. Parents can stay updated with school announcements, track student progress. The app also provides access to important resources like the school calendar, homework assignments, and event notifications, ensuring parents are always in the loop regarding their child's education.

Screenshots

SQL4 screens
Pole Star Secondary School4 screens

Verdict

The call

The clearest difference is price: Pole Star Secondary School at Free against SQL's $5.99. On update cadence, ads, in-app purchases and device support 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

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

UpkeepUpdate frequency

SQL ships an update every 5 weeks, Pole Star Secondary School every 3 weeks. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 9 level
SQL versus Pole Star Secondary School: the parameters behind the verdict, then further details
ParameterSQLPole Star Secondary School
Price$5.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size31 MB32 MB
Age rating4+4+
DeveloperOm Prakash ChapagainQUANTUM INFOSYS

In-app purchases

None

SQL

No in-app purchases

None

Pole Star Secondary School

No in-app purchases

Questions

Is SQL free?
SQL costs $5.99, with no in-app purchases.
Is Pole Star Secondary School free?
Pole Star Secondary School is free to download, with no in-app purchases.
Do SQL or Pole Star Secondary School have ads?
Neither SQL nor Pole Star Secondary School shows ads.
Which is updated more often, SQL or Pole Star Secondary School?
SQL ships an update every 5 weeks, and Pole Star Secondary School every 3 weeks. Most recently, SQL was updated on November 5, 2026 and Pole Star Secondary School on October 30, 2026.

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