Domain Watcher vs JSON Master
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Domain Watcher
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Never be surprised by an expired domain or SSL certificate again. This app continuously monitors your domains and websites and alerts you before important expiration dates are reached. FEATURES ⢠Automatic domain expiry alerts. Receive timely notifications before your domain registration expires. ⢠SSL certificate expiration warnings. Monitor SSL/TLS certificates and get notified before they expire. ⢠HTTP response monitoring. Check website availability and verify expected HTTP response codes. ⢠Monitor multiple websites and domains. Keep track of all your important web properties from a single app. PRIVACY FIRST ⢠100% local operation (No backend) ⢠No accounts required ⢠No data collection ⢠No tracking ⢠No ads ⢠No AI
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/
Screenshots
Verdict
The clearest difference is device support: JSON Master at 3 against Domain Watcher's 1. JSON Master also leads on iOS requirement (18.0 vs 26.0). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Domain Watcher | JSON Master |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | ā |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, Mac ā better |
| Requires iOS | 26.0 | 18.0 ā better |
| Further details ā not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Amax Software Sp. z o.o. | Volodymyr Sichka |
In-app purchases
Domain Watcher
No in-app purchases
JSON Master
No in-app purchases









