Comparison

OpenAPI Viewer vs Vato IDE

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

About

Vato IDE

Features
Read full description

Your desktop development workflow, now in your pocket. Vato IDE turns your iPhone or iPad into a powerful companion for the Vato IDE desktop app. Connect to your computers in real time, open projects and conversations, and direct AI coding agents wherever you are. CODE FROM ANYWHERE Send instructions, follow responses live, attach reference images, or dictate prompts with your voice. Choose your preferred provider, model, reasoning level, and execution mode for every task. MANAGE YOUR DESKTOPS See connected computers, browse active projects, and continue existing conversations. Work across multiple desktops without losing project context. PLAN, REVIEW, AND APPROVE Review proposed implementation plans before execution. Answer agent questions and approve or reject commands, file changes, and other sensitive actions directly from your device. KEEP WORK MOVING Queue follow-up prompts while an agent is busy, change priorities, stop active runs, and return to completed conversations when you are ready. BUILT FOR REAL DEVELOPMENT Ask your agents to inspect files, write code, run tests, explain changes, and handle Git workflowsβ€”all through a focused, project-aware chat interface. KEY FEATURES β€’ Real-time desktop-to-mobile connection β€’ Multiple computers and projects β€’ AI model and reasoning controls β€’ Plan and execution modes β€’ Interactive approvals and questions β€’ Image attachments and voice dictation β€’ Prompt queue and run controls (1/2) β€’ Personal and team workspaces β€’ Dark and light themes Vato IDE for mobile is a companion app. A signed-in Vato IDE desktop app must be online and connected for project access and agent execution. Available models and capabilities depend on your desktop configuration and provider accounts.

Screenshots

OpenAPI Viewer3 screens
Vato IDE4 screens

Verdict

The call

The clearest difference is in-app purchases: Vato IDE at none against OpenAPI Viewer's 3. Vato IDE also leads on iOS requirement (16.4 vs 18.1). OpenAPI Viewer's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

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

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

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

UpkeepUpdate frequency

OpenAPI Viewer ships an update every 2 weeks, Vato IDE every 2 months. The most recent releases landed on September 18, 2026 and September 16, 2026 respectively.

Scorecard3 real differences Β· 3 level
OpenAPI Viewer versus Vato IDE: the parameters behind the verdict, then further details
ParameterOpenAPI ViewerVato IDE
PriceFreeFree
Update frequencyEvery 2 weeks β€” betterEvery 2 months
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, Mac β€” betteriPhone, iPad
Requires iOS18.116.4 β€” better
Further details β€” not scored
Size13 MB39 MB
Age rating4+4+
DeveloperVictor Manuel Puga RuizNoah d'hondt

In-app purchases

3 purchases

OpenAPI Viewer

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

Vato IDE

No in-app purchases

Questions

Is OpenAPI Viewer free?
OpenAPI Viewer is free to download, with in-app purchases available.
Is Vato IDE free?
Vato IDE is free to download, with no in-app purchases.
Do OpenAPI Viewer or Vato IDE have ads?
Neither OpenAPI Viewer nor Vato IDE shows ads.
Which is updated more often, OpenAPI Viewer or Vato IDE?
OpenAPI Viewer ships an update every 2 weeks, and Vato IDE every 2 months. Most recently, OpenAPI Viewer was updated on September 18, 2026 and Vato IDE on September 16, 2026.

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