WE vs ER Diagram AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Bluetooth LE connection
- Sensor data display
- Hardware integration
- Prototyping use cases
- Firmware and source code available
- Capacitor Framework by Ionic
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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).
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.
- 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
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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
Verdict
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
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.
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.
| Parameter | WE | ER Diagram AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 15 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Wuerth Elektronik eiSos GmbH & Co. KG | YUKI TANAIKE |
Customer experience
WE
ER Diagram AI
In-app purchases
WE
No in-app purchases
ER Diagram AI
- Simple ER Pro Version (Monthly)$4.991 Month
- Simple ER Pro Version (Annual)$44.991 Year









