$99
Starting price
Perpetual license, no subscription
Report
Should I Use Datensen?
Model database structures offline, then generate SQL to apply every change at once. Data modeling tools for Oracle, PostgreSQL, SQL Server, MongoDB. From $99.
Depends
DependsBuy if you are a developer or small team wanting offline ER diagrams and generated SQL for a one-time $99.
$99 one-time desktop ERD tools from a tiny Czech vendor — great value for schema design, wrong for enterprise modeling.
Confidence: Medium
None raised
Funding
Bootstrapped per Tracxn, 2026
4+
Databases covered
Oracle, PostgreSQL, SQL Server, MongoDB + more
Win, macOS, Linux
Platforms
Luna Modeler per MariaDB docs
Value for money
5
Perpetual $99 license undercuts erwin's annual fees
Ease of use
4
Guides describe modern, visual, drag-and-drop modeling
Feature depth
4
Sync scripts, reverse engineering, SQL and NoSQL
Security posture
4
Desktop-native, data stays local; no public security page
Pros
Cons
Gotchas
- mediumFeature updates after your license term require paid renewal; old versions keep working
- mediumLinux snap package hasn't been updated in a while; prefer direct download11
- mediumPrivacy claims are marketing copy; no public security page or audits verify them⁵
- lowSync script generation for MySQL, MariaDB, SQLite is labeled a preview feature
Best for
- Solo developers designing schemas offline
- Small teams needing ER diagrams plus sync SQL
- MongoDB/MERN projects visualizing structures
- Budget buyers replacing erwin or Toad
Not for
- Enterprises needing multi-user model repositories and governance
- Teams wanting real-time cloud collaboration on models
- Anyone wanting occasional free diagrams — use free tools
- Orgs requiring SLA-backed vendor support
Pricing
Luna Modeler
from $99 one-time
- SQL: PostgreSQL, SQL Server, Oracle, MySQL, MariaDB
- ER diagrams, sync scripts, version-control explorer
- Windows, macOS, Linux
Moon Modeler
from $99 one-time
- NoSQL: MongoDB schemas and Mongoose models
- Visualizes MongoDB structures
- Perpetual license, optional update renewal
Meteor Modeler
$79 one-time
- Define Sequelize models and related schemas
- Cheapest tool in the lineup
Security
No known public vulnerabilities found in the sources reviewed.
What users say
Independent user reviews are sparse; third-party guides call the tools modern and visual while most Reddit visibility comes from Datensen itself.
“Moon Modeler by Datensen is a modern visual database modeling”
Alternatives
Compare Datensen with each alternative.
erwin Data Modeler
Enterprise standard with governance; costs far more annually.
Datensen vs erwin Data ModelerToad Data Modeler
Established mid-market modeler; mature but subscription-priced.
Datensen vs Toad Data Modelerdbdiagram.io
Quick browser ER diagrams; free tier, no sync scripts.
Datensen vs dbdiagram.ioMySQL Workbench
Free official MySQL modeling; MySQL-only.
Full analysis
Based on ~20 public sources; independent user reviews are thin, so confidence is medium.
Sources
- Data Modeling Tool Pricing — Perpetual Licensesdatensen.comofficial
- Datensen homepagedatensen.comofficial
- Why Luna Modeler — Desktop-Native, Privacy-Firstdatensen.comofficial
- Perpetual Licenses with Optional Updatesdatensen.comofficial
- Security page check — none founddatensen.comsecurity
- ScamAdviser trust checkscamadviser.comsecurity
- Datensen company profile — no fundingtracxn.comnews
- Luna Modeler Reviews & Pricing — SelectHubselecthub.comreview
- Evaluation of Data Modeling Tools (2025) — DataSherpadatasherpa.blogreview
- Moon Modeler Guide — RustCodeWebrustcodeweb.comreview
- Luna Modeler Snap Store listingsnapcraft.ioreview
review
- Luna Modeler — MariaDB Documentationmariadb.comofficial
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