# Data Modeler vs JSON Web Token

The clearest difference is price: Data Modeler at Free against JSON Web Token's $2.99. Data Modeler also leads on update cadence (every 5 days vs every 27 months). JSON Web Token's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Data Modeler is free to download; JSON Web Token costs $2.99 up front. Data Modeler sells 3 in-app purchases, starting at $8.49 per month. JSON Web Token asks for nothing beyond the download.

Data Modeler ships an update every 5 days, JSON Web Token every 27 months. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Data Modeler | JSON Web Token |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 27 months |
| Monetization | Freemium | — |
| Size | 23 MB | 7 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Rahul Katariya](https://appshunter.io/developer/1680332229) | [Prismatic Apps](https://appshunter.io/developer/1530675050) |

## 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 |


### JSON Web Token

[App page](https://appshunter.io/ios/app/json-web-token/id6502089325)

**In-app purchases:** none


## Frequently asked questions

### Is Data Modeler free?

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

### Is JSON Web Token free?

JSON Web Token costs $2.99, with no in-app purchases.

### Do Data Modeler or JSON Web Token have ads?

Neither Data Modeler nor JSON Web Token shows ads.

### Which is updated more often, Data Modeler or JSON Web Token?

Data Modeler ships an update every 5 days, and JSON Web Token every 27 months. Most recently, Data Modeler was updated on September 9, 2026 and JSON Web Token on September 21, 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.*