OpenAPI Viewer vs Termcorp
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
OpenAPI Viewer
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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 โข Open JSON and YAML OpenAPI 3.0 and 3.1 specifications โข Browse endpoints by tag with HTTP method filters โข Full-text search across operations, schemas, examples, and headers โข Send real HTTP requests with a built-in inspector โข Configure Bearer, API key, Basic, and OAuth credentials โข Request history โข Copy requests as cURL, fetch, URLSession, or httpx โข Schema viewer with constraints, enums, and examples โข Native on iPhone, iPad, and Mac
Termcorp
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Termcorp turns your iPhone and iPad into a window onto the coding agents running on your Mac. Your work lives in tmux, not in the app. Termcorp opens an SSH connection to your Mac (or any server), attaches a persistent tmux session, and mirrors the terminal. Close the app, lose the network, lock your phone - nothing stops. Reopen it, and you're right back where your agent left off. Built for developers and vibe coders who run AI agents in the terminal. WHY TERMCORP - Persistent sessions: your agent runs inside tmux on the Mac. The app is just a viewer; the work never stops. - Session recovery: open the same session on another device; it switches over, resizes, and the other view detaches. - Voice dictation: speak your prompt; it goes straight to the terminal. No copy-paste. - Attachments: photos, screenshots, PDFs and files land in your project, with the path inserted for you. - Built for touch: esc / ctrl / arrow key bar, swipe to scroll history, a keyboard you can tuck away. - Encrypted SSH: connection keys are stored in the iOS Keychain, never in the clear. The app has no servers and collects nothing. WORKS WITH ANY CLI Termcorp is a terminal. It drives whatever runs in it - Claude Code, OpenAI Codex, Gemini CLI, Aider, or a plain shell. FREE ON MAC Termcorp for Mac is a free companion app: a local terminal for your desktop. Termcorp for iPhone adds the mobility - pilot your agents from anywhere. Learn more at terminal.emcorp.io REQUIREMENTS A Mac or server you can reach over SSH, with tmux installed, on your own private network (e.g. Tailscale). SUBSCRIPTION Termcorp is free to download, with a 7-day free trial. Full access then requires a monthly subscription. The subscription renews automatically unless cancelled at least 24 hours before the end of the period; manage it in your App Store account settings. Termcorp is an independent product, not affiliated with Anthropic, OpenAI or Google. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Verdict
The clearest difference is iOS requirement: Termcorp at 13.0 against OpenAPI Viewer's 18.1. On price, ads, in-app purchases and device support 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
Both are free to download. OpenAPI Viewer sells 3 one-off in-app purchases and Termcorp sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | OpenAPI Viewer | Termcorp |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | โ |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 18.1 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 13 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Victor Manuel Puga Ruiz | Punithanathan Sahinthan |
In-app purchases
OpenAPI Viewer
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99
Termcorp
- Termcorp Pro7 Days trial$3.991 Month
Questions
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