JSONDoc vs OpenAPI Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JSONDoc
This app transforms complex JSON models into visual diagrams for easier understanding and communication. It ensures all your data remains on your device for complete privacy and security.
- Transforms JSON models into visual diagrams
- Enhances readability of complex data
- Keeps all JSON documents on your computer
- Easy-to-use interface
- Secure data handling
Read full descriptionHide full description
Tired of trying to make sense of complex JSON models? The JSONDoc is here to help! This easy-to-use app takes your JSON models and transforms them into visual diagrams, making it much easier to understand and communicate complex data. One of the best things about JSONDoc is that all your JSON documents stay on your computer - nothing is sent to external servers or stored in the cloud. This means you can work with sensitive data in complete confidence. With the JSONDoc, all you need to do is input your JSON model and generate your diagram. Our app is perfect for developers, designers, data analysts or anyone who needs to visualize large amounts of data. Whether you’re working on a personal project or collaborating with a team, the JSONDoc will make your work more efficient and effective. Key features: • Easy-to-use interface: Simply input your JSON models and generate the diagram • Enhanced readability: Translate complex JSON models into easily understandable visual diagrams • Secure: All your JSON documents stay on your computer The JSONDoc is available for download now! Give it a try and take your JSON models to the next level. ------- AppIcon uses `mdi:graph-outline` from https://pictogrammers.com Terms of use: https://aarkaystudio.com/apps/jsondoc/terms Privacy policy: https://aarkaystudio.com/apps/jsondoc/privacy
OpenAPI Viewer
Read full descriptionHide full description
OpenAPI Viewer is the easiest way to explore, test, and understand OpenAPI 3.0 and 3.1 specifications on your Apple devices. Whether you're integrating a third-party API, reviewing your team's documentation, or testing endpoints on the go, OpenAPI Viewer gives you a clean, native interface built for developers. EXPLORE YOUR API Open any JSON or YAML OpenAPI file and instantly browse all endpoints organized by tag. Search across operations, schemas, parameters, and examples in seconds. View rich documentation for every endpoint — including descriptions, parameters, request bodies, and responses — with schema constraints, validation rules, and example values displayed clearly. TRY IT OUT Send real HTTP requests directly from the app. Fill in path, query, header, and cookie parameters, provide a request body, configure authentication, and hit Send. View the response body, status code, duration, and validation results — all without leaving the app. EXPORT AND SHARE Copy any request as a cURL command, JavaScript fetch, Swift URLSession, or Python httpx snippet — ready to paste into your terminal or codebase. BUILT FOR APPLE PLATFORMS A thoughtfully designed native UI makes even complex, sprawling APIs easy to read. Color-coded methods, clear badge indicators, and structured layouts — built for Apple platforms from the ground up. FREE TO USE OpenAPI Viewer is completely free with no subscriptions or paywalls. If you find it useful, you can support development through an optional tip jar — entirely your choice. KEY FEATURES • Open JSON and YAML OpenAPI 3.0 and 3.1 specifications • Browse endpoints by tag with HTTP method filters • Full-text search across operations, schemas, examples, and headers • Send real HTTP requests with a built-in inspector • Configure Bearer, API key, Basic, and OAuth credentials • Request history • Copy requests as cURL, fetch, URLSession, or httpx • Schema viewer with constraints, enums, and examples • Native on iPhone, iPad, and Mac
Screenshots
Verdict
JSONDoc and OpenAPI Viewer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. JSONDoc sells 3 in-app purchases, starting at $3.99 per month and OpenAPI Viewer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
JSONDoc ships an update every 3 weeks, OpenAPI Viewer every 2 weeks. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.
| Parameter | JSONDoc | OpenAPI Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 18.6 | 18.1 — better |
| Further details — not scored | ||
| Size | 18 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Rahul Katariya | Victor Manuel Puga Ruiz |
In-app purchases
JSONDoc
- Monthly3 Days trial$3.991 Month
- Yearly$19.991 Year
- Lifetime$29.99
OpenAPI Viewer
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99









