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Schema Studio: Database Design

by SMART BIT K.K

  • Developer Tools
  • Paid
View on the App Store
Rating
0.0
0 ratings · Canada storefront
Last update
Oct 5, 2026
Version 1.1.0
Size
5 MB
Category
Developer Tools
Tracked since
Oct 9, 2026

Estimated revenue

A model estimate with a likely range, not a reported figure.

No estimate. Apps outside the grossing charts, and some countries, have no reliable rank-to-revenue curve, so we show nothing rather than a guess.

How this estimate is made

Rank: we take the app's best Top Grossing rank on the latest chart day. Category ranks are converted into an equivalent overall rank, because a #10 in Finance earns far less than a #10 overall.

Curve: that equivalent rank is read off a rank-to-revenue curve anchored on public company revenue and market-data reports for the US iPhone App Store.

Country: the curve is scaled per country (Japan is roughly a third of the US, Türkiye under 1%). Where we have no scale, such as China, there is no estimate.

Range: the likely range widens with country, category and chart depth. It is a plausible span, not a statistical confidence interval.

Not included: ads, payments outside the App Store, and any difference between gross sales and what the developer keeps. Low confidence means indirect data; medium means several independent sources agree.

Full method

Screenshots

As shown on the App Store listing.

About this app

Text from the App Store listing.

Build tables, see their relationships, and export DDL and documentation. Schema Studio brings database design to iPhone and iPad.

  • Copy an existing table as the starting point for a new one. Fields, constraints, and indexes carry over; edit the name before saving.
  • Sort your table list by creation order, table name, or display name, with ascending and descending options.
  • Set data types, required fields, primary keys, uniqueness, and automatic numbering.
  • Design composite indexes with per-column sort directions.
  • Create relationships and inspect an interactive ER diagram.
  • Review generated SQL in a syntax-highlighted preview.
  • Save or share SQL plus Excel, PDF, Markdown, and HTML documentation.

Generate for PostgreSQL, MySQL, MariaDB, SQLite, Oracle Database, Microsoft SQL Server, and IBM Db2. Choose the interface and documentation languages independently from 15 supported languages.

No account, ads, tracking, or cloud service is required. Designs stay on your device unless you explicitly save or share exported files.

Table copies do not include relationships. Schema Studio is a design and DDL generation tool; it does not connect to database servers or execute SQL.

What’s new

Release notes for the latest version, as written by the developer.

v1.1.0

Copy tables with their fields, constraints, and indexes. Sort tables by creation order, table name, or display name in either direction. A Done button now dismisses the keyboard in field and index editors.

Rank history

Daily position in the Türkiye charts. #1 is at the top.

Best rank
#1
Current rank
#4
Days charting
7 of 7

On the charts today

Small & simple score

How realistic it is for a small team to build something like this.

69/100

Not flagged as small & simple

  • Developer size0% · 25

    Developer: 7 apps on the charts

  • Audience size100% · 20

    Ratings: 0

  • App size100% · 10

    Size: 5 MB

  • Price model100% · 15

    Price model: paid

  • Demand proof80% · 30

    Best rank #1, 4 countries

An indicator, not a fact. We can't see team size. Calculated Oct 24, 2026 · method i2

How the score works

Version history

  • 1.1.0LatestReleased Oct 5, 2026