JSON Master vs Monkeytail
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
JSON Master
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JSON Master is a JSON viewer and editor for the things you actually do all day: find the value, copy its path, copy the branch, and work out what a field really contains. Every document is shown two ways, as a tree and as coloured source, and both are the same file. WHAT MAKES IT DIFFERENT - Every path is ready to paste, in whichever form you need it: dot, JSONPath, brackets, jq, Swift or JSON Pointer - The inspector explains what a value really is: Unix timestamps as dates, JWT tokens decoded, base64, ISO dates, string length, integers beyond 2^53, duplicate keys - Expand embedded JSON, the escaped string every webhook and log line contains, unwrapped in place - Syntax colour that holds even when the document does not parse, which is exactly when it helps - An untouched file is saved byte for byte as it arrived, and a broken one still opens with the line and column of the error ALSO INSIDE Format and minify, sort keys, remove empty values and duplicate keys, JSON Lines to array, JSONPath queries, document summary, structural compare, type generation for Swift, TypeScript and JSON Schema, JWT decoding, export to CSV. Designed like an amber monitor: warm near-black surfaces, phosphor text, monospaced throughout. Seven interface languages, switching without a restart. No account, no tracking, no analytics, no network access. Your documents never leave your device. Universal app for iPhone, iPad and Mac. LEGAL - Privacy Policy: https://vybgss.github.io/json-master-docs/privacy-policy.html - Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Monkeytail
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Monkeytail is a native request debugger for iPhone, iPad, Mac, and Apple Vision Pro. The compact Apple Watch companion sends favourite requests copied from iPhone. No Monkeytail account or sign-in. β’ Import cURL, Postman collections, Insomnia JSON, and OpenAPI or Swagger JSON/YAML. β’ Organize nested folders with shared headers, authentication, variables, and JavaScript hooks. β’ Use OAuth 2.0 with PKCE and refresh tokens, API keys, Basic, Bearer, and AWS Signature V4. β’ Manage cookies and client certificates. Inspect request timings, redirects, and TLS details. β’ Edit GraphQL queries and variables, browse schema fields, and inspect WebSocket or SSE messages. β’ Format JSON, browse a tree, search, run visual response tests, and inspect images, audio, video, hex, or binary data. β’ Save and compare responses, create offline mocks, and export Swift, JavaScript, Python, or Kotlin client code. β’ Sync workspaces with optional iCloud Drive. Choose proxies. Browser TLS/HTTP2 profiles are available on iOS and Mac. Free, with no in-app purchases, analytics, tracking, or data collection by Kitta Co. Requests go to servers and proxies you choose. Credentials, cookies, client certificates, and upload files stay on your device by default. Requires iOS 17 or macOS 14 or later. Client certificate import on Mac requires macOS 15. Import, schema validation, and scripting support the documented subset.
Screenshots
Verdict
The clearest difference is device support: Monkeytail at 5 against JSON Master's 3. On price, ads, in-app purchases and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | JSON Master | Monkeytail |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac, Apple Watch, Vision Pro β better |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 3 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Volodymyr Sichka | Kitta Co. |
In-app purchases
JSON Master
No in-app purchases
Monkeytail
No in-app purchases





