Comparison

WE 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

WE

This application showcases Bluetooth LE and sensor capabilities using specific hardware. It enables building a connection between a smartphone and embedded hardware, demonstrating a versatile use case for prototyping various user applications.

Highlights
  • Bluetooth LE connection
  • Sensor data display
  • Hardware integration
  • Prototyping use cases
  • Firmware and source code available
  • Capacitor Framework by Ionic
Features
Read full description

This app demonstrates the capabilities of a Bluetooth LE and Sensor gadget that is provided from Würth Elektronik eiSos for the Wireless Connectivity Seminars. A Bluetooth LE connection can be build up from Smartphone to the embedded Hardware. This Hardware is using the Adafruit Feather Wing infrastructure. It shows a typical use case that can be modified to serve prototyping a multitude of possible User Applications including Sensors, Bluetooth Low Energy and a Smartphone. In this particular example one Host Board (Adafruit Feather M0), one Würth Elektronik Proteus Wing and one Würth Elektronik Sensor Wing are used. Plugging the boards together and installing the Demo firmware on the M0 the demo is ready to run. Firmware and Source code for firmware and App are available from https://github.com/orgs/WurthElektronik. The App was created using the Capacitor Framework by Ionic (https://capacitorjs.com).

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

WE4 screens
ER Diagram AI4 screens

Verdict

The call

The clearest difference is review sentiment: WE at 100% against ER Diagram AI's 50%. WE also leads on in-app purchases (none vs 2). ER Diagram AI's advantage is update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement 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. ER Diagram AI sells 2 in-app purchases, starting at $4.99 per month. WE asks for nothing beyond the download.

UpkeepUpdate frequency

WE ships an update every 4 months, ER Diagram AI fortnightly. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
WE versus ER Diagram AI: the parameters behind the verdict, then further details
ParameterWEER Diagram AI
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.6
Further details — not scored
Size15 MB56 MB
Age rating4+4+
DeveloperWuerth Elektronik eiSos GmbH & Co. KGYUKI TANAIKE

Customer experience

WE

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ER Diagram AI

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

In-app purchases

None

WE

No in-app purchases

2 purchases

ER Diagram AI

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

Questions

Is WE free?
WE is free to download, with no in-app purchases.
Is ER Diagram AI free?
ER Diagram AI is free to download, with in-app purchases available.
Do WE or ER Diagram AI have ads?
Neither WE nor ER Diagram AI shows ads.
Which is updated more often, WE or ER Diagram AI?
WE ships an update every 4 months, and ER Diagram AI fortnightly. Most recently, WE was updated on October 5, 2026 and ER Diagram AI on October 25, 2026.

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