Comparison

kiwi programming vs OpenAPI Viewer

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

Head to head
About

kiwi programming

Features
Read full description

kiwi is a k-like array programming language that supports apple silicon cpu and gpu via mlx

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 โ€” including descriptions, parameters, request bodies, and responses โ€” 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 โ€” all without leaving the app. EXPORT AND SHARE Copy any request as a cURL command, JavaScript fetch, Swift URLSession, or Python httpx snippet โ€” 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 โ€” 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 โ€” entirely your choice. KEY FEATURES โ€ข Open JSON and YAML OpenAPI 3.0 and 3.1 specifications โ€ข Browse endpoints by tag with HTTP method filters โ€ข Full-text search across operations, schemas, examples, and headers โ€ข Send real HTTP requests with a built-in inspector โ€ข Configure Bearer, API key, Basic, and OAuth credentials โ€ข Request history โ€ข Copy requests as cURL, fetch, URLSession, or httpx โ€ข Schema viewer with constraints, enums, and examples โ€ข Native on iPhone, iPad, and Mac

Screenshots

kiwi programming4 screens
OpenAPI Viewer3 screens

Verdict

The call

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

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

kiwi programming ships an update every 2 days, OpenAPI Viewer every 2 weeks. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

Scorecard2 real differences ยท 4 level
kiwi programming versus OpenAPI Viewer: the parameters behind the verdict, then further details
Parameterkiwi programmingOpenAPI Viewer
PriceFreeFree
Update frequencyEvery 2 days โ€” betterEvery 2 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, Mac, Apple Watch โ€” betteriPhone, iPad, Mac
Requires iOS18.0 โ€” better18.1
Further details โ€” not scored
Size223 MB13 MB
Age rating4+4+
DeveloperThomas SchranzVictor Manuel Puga Ruiz

In-app purchases

None

kiwi programming

No in-app purchases

3 purchases

OpenAPI Viewer

One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$9.99

Questions

Is kiwi programming free?
kiwi programming is free to download, with no in-app purchases.
Is OpenAPI Viewer free?
OpenAPI Viewer is free to download, with in-app purchases available.
Do kiwi programming or OpenAPI Viewer have ads?
Neither kiwi programming nor OpenAPI Viewer shows ads.
Which is updated more often, kiwi programming or OpenAPI Viewer?
kiwi programming ships an update every 2 days, and OpenAPI Viewer every 2 weeks. Most recently, kiwi programming was updated on September 10, 2026 and OpenAPI Viewer on September 18, 2026.

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