Comparison

OpenAPI Viewer vs SuperCode Notas

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OpenAPI Viewer

Features
Read 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

About

SuperCode Notas

Features
Read full description

SuperCode is the notebook for developers. FEATURES: • Code snippets • Regex tester • Base converter • JSON formatter • Local storage TOTAL PRIVACY: • No internet connection required • No accounts or login • No tracking or analytics • Your data never leaves the device DESIGN: • Native SwiftUI optimized for iOS 16+ • Full dark mode • Dynamic Type support Download now and try SuperCode!

Screenshots

OpenAPI Viewer3 screens
SuperCode Notas3 screens

Verdict

The call

The clearest difference is in-app purchases: SuperCode Notas at none against OpenAPI Viewer's 3. SuperCode Notas also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (16.0 vs 18.1). On price, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. OpenAPI Viewer sells 3 one-off in-app purchases. SuperCode Notas asks for nothing beyond the download.

UpkeepUpdate frequency

OpenAPI Viewer ships an update every 2 weeks, SuperCode Notas every 4 days. Both last shipped on September 18, 2026.

Scorecard3 real differences Ā· 3 level
OpenAPI Viewer versus SuperCode Notas: the parameters behind the verdict, then further details
ParameterOpenAPI ViewerSuperCode Notas
PriceFreeFree
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS18.116.0 — better
Further details — not scored
Size13 MB2 MB
Age rating4++4
DeveloperVictor Manuel Puga RuizPAULO HENRIQUE CARNEIRO PIERRONDI

In-app purchases

3 purchases

OpenAPI Viewer

One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$9.99
None

SuperCode Notas

No in-app purchases

Questions

Is OpenAPI Viewer free?
OpenAPI Viewer is free to download, with in-app purchases available.
Is SuperCode Notas free?
SuperCode Notas is free to download, with no in-app purchases.
Do OpenAPI Viewer or SuperCode Notas have ads?
Neither OpenAPI Viewer nor SuperCode Notas shows ads.
Which is updated more often, OpenAPI Viewer or SuperCode Notas?
OpenAPI Viewer ships an update every 2 weeks, and SuperCode Notas every 4 days. Most recently, OpenAPI Viewer was updated on September 18, 2026 and SuperCode Notas on September 18, 2026.

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