Comparison

JSON Brace vs HTML Launch

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

Head to head
About

JSON Brace

This tool automatically formats and navigates JSON data directly within Safari. It offers smart detection, theme switching, and keyboard shortcuts for efficient data exploration. An optional Pro upgrade unlocks advanced features like lightning-fast search and custom expansion.

Highlights
  • Automatic JSON formatting
  • Expand/collapse JSON objects and arrays
  • Light and dark theme switching
  • Keyboard shortcuts for navigation
  • Pro version: lightning-fast search
  • Pro version: copy and save JSON
Features
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JSON Brace turns raw JSON into a clean, readable tree – in a native app on your iPhone, iPad, and Mac, and right inside Safari. APIs, logs, configs, exports – JSON is everywhere, but reading it raw is painful. JSON Brace formats it instantly into a collapsible tree you can explore, search, and copy from. THE APP β€’ Open any JSON and explore it as an interactive tree β€’ Collapse and expand nodes to focus on what matters β€’ Fast search with match highlighting β€’ Copy values or the whole document in one tap β€’ RAW mode when you need the original text β€’ Quick Look on the Mac: press Space on a JSON file in Finder for an instant preview in your theme THE SAFARI EXTENSION β€’ Automatically detects and formats JSON on web pages β€’ Perfect for checking API responses right in the browser β€’ Same viewer, same themes, same shortcuts – no extra setup MADE TO LOOK GOOD β€’ 19 carefully tuned themes: Solarized, Dracula, Nord, GitHub, Monokai, One Dark, Tokyo Night, Gruvbox, Catppuccin, RosΓ© Pine, and more β€’ Light, dark, and system appearance β€’ The whole app follows your theme, not just the tree BUILT FOR EVERYONE β€’ Full VoiceOver support β€’ Complete keyboard navigation β€’ Adjustable text size and Dynamic Type β€’ High Contrast theme and type markers that don't rely on color alone FREE AND PRO The core viewer is free: formatting, tree navigation, search, and copying. JSON Brace Pro unlocks the full theme collection, inline previews, expansion depth control, saving to a file, and copying any subtree, key, or path. Pro is a one-time purchase – no subscription – and supports Family Sharing. PRIVATE BY DESIGN Everything happens on your device. No servers, no accounts, no tracking, no analytics. Your data never leaves your iPhone, iPad, or Mac. Download JSON Brace and never squint at raw JSON again.

About

HTML Launch

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Vibe coded something useful? Give it somewhere to live. HTML Launch lets you build a personal collection of single-file HTML apps and run them directly on your iPhone or iPad. Ask your favorite AI to create a self-contained HTML app, paste the code into HTML Launch, save it, and it becomes part of your personal app collection. Build whatever is useful to you: β€’ Calculators β€’ Trackers β€’ Dashboards β€’ To-do lists β€’ Timers β€’ Games β€’ Personal utilities β€’ Interactive prototypes β€’ Little tools made just for you Each creation lives locally on your device and can be launched again whenever you need it. HTML Launch includes: β€’ A personal library for your HTML apps β€’ Built-in HTML editor β€’ Instant local execution using WebKit β€’ Automatic app names from HTML titles β€’ Separate local browser storage for each app β€’ Export to Files β€’ Quick actions for running, editing and managing your apps β€’ No account required Create and keep up to 3 apps for free. HTML Launch Pro is a one-time purchase that unlocks unlimited apps, custom names, custom icons and icon colors. From AI-generated code to something you can actually keep and use. Vibe code it. Save it. Launch it.

Screenshots

JSON Brace4 screens
HTML Launch4 screens

Verdict

The call

The clearest difference is in-app purchases: HTML Launch at none against JSON Brace's 1. On price, ads, device support 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

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

Both are free to download. JSON Brace sells 1 one-off in-app purchase. HTML Launch asks for nothing beyond the download.

Scorecard1 real difference Β· 7 level
JSON Brace versus HTML Launch: the parameters behind the verdict, then further details
ParameterJSON BraceHTML Launch
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyMonthlyβ€”
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationFreemiumβ€”
DevicesiPhone, iPad, Mac β€” betteriPhone, iPad
Requires iOS16.6 β€” better17.0
Further details β€” not scored
Size2 MB1 MB
Age rating4+4+
DeveloperSergei RebrovElena Tserioti

In-app purchases

1 purchases

JSON Brace

One-time1
  • JSON Brace Pro$3.99
None

HTML Launch

No in-app purchases

Questions

Is JSON Brace free?
JSON Brace is free to download, with in-app purchases available.
Is HTML Launch free?
HTML Launch is free to download, with no in-app purchases.
Do JSON Brace or HTML Launch have ads?
Neither JSON Brace nor HTML Launch shows ads.

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