# Data Modeler vs Bluetooth

The clearest difference is in-app purchases: Bluetooth at none against Data Modeler's 3. Data Modeler's advantage is update cadence (every 5 days vs every 17 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Data Modeler sells 3 in-app purchases, starting at $8.49 per month. Bluetooth asks for nothing beyond the download.

Data Modeler ships an update every 5 days, Bluetooth every 17 months. The most recent releases landed on September 25, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Data Modeler | Bluetooth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/data-modeler/id1575153701/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 17 months |
| Monetization | Freemium | — |
| Size | 23 MB | 12 MB |
| Requires iOS | 17.6 | **16** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rahul Katariya](https://appshunter.io/developer/1680332229) | [岩 胡](https://appshunter.io/developer/1542891090) |

## What reviewers say

### Data Modeler

[App page](https://appshunter.io/ios/app/data-modeler/id1575153701)

Effortlessly create, visualize, and export complex data models for your projects. Design entities, relationships, and attributes with an intuitive editor. Add data to test your models and export them as JSON documents or diagrams.

**Highlights:** Intuitive data model editor, Create entities, attributes, and relationships, Define cardinalities and relationship types, Add and store data within models, Visualize models as ER diagrams, Export data as JSON documents

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $8.49 | per month |
| Annual | $59.99 | per year |
| Introductory Lifetime Offer | $89.99 | one-time |


### Bluetooth

[App page](https://appshunter.io/ios/app/bluetooth-ci-tracker/id6451366993)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Data Modeler free?

Data Modeler is free to download, with in-app purchases available.

### Is Bluetooth free?

Bluetooth is free to download, with no in-app purchases.

### Do Data Modeler or Bluetooth have ads?

Neither Data Modeler nor Bluetooth shows ads.

### Which is updated more often, Data Modeler or Bluetooth?

Data Modeler ships an update every 5 days, and Bluetooth every 17 months. Most recently, Data Modeler was updated on September 25, 2026 and Bluetooth on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*