API Testing Tool vs Structly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
API Testing Tool
This tool allows developers and QA engineers to test and debug APIs directly from their mobile devices. It supports various HTTP request methods, provides detailed response previews, and offers organized storage for saved requests.
- Customizable HTTP requests (GET, POST, PUT)
- Detailed response preview
- Organized storage for API requests
- SQLite and iCloud integration
- Debug APIs on device
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Take your API testing to the next level with this user-friendly and efficient API Testing Tool! Designed for developers, QA engineers, and tech enthusiasts, this app provides a seamless way to test and debug APIs right from your device Key Features: • Customizable Requests: Easily configure GET, POST, PUT, and other HTTP requests with full control over headers, parameters, and payloads. • Response Preview: View raw responses, including status codes and data, for detailed debugging. • Organized Storage: Save and organize your API requests locally for quick access and reusability. • SQLite Integration: All your configurations are stored both on device and seamlessly using iCloud
Structly
This tool enhances your browsing experience by transforming raw JSON data into clear, readable views directly within Safari. It offers effortless formatting, advanced search, and versatile export options, all while prioritizing user privacy with on-device operation and no data collection.
- Effortless JSON formatting
- Syntax highlighting and collapsible sections
- Line numbers for reference
- Offline operation
- Search keys and values
- Execute JSON Path queries
- Export to JSON, YAML, or CSV
- Customizable themes
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Structly makes JSON easy to read, in its own native viewer on iPhone, iPad and Mac, and right inside Safari. A NATIVE JSON VIEWER • Open files, paste text, or pick up where you left off with recent documents • A clear tree with syntax colors, item counts and indentation guides • Table view turns lists of objects, such as API results, into sortable columns • Source view with syntax highlighting • Numbers keep their exact spelling, even huge integers and precise decimals FIND AND UNDERSTAND • Search keys and values with highlighted matches, or show only the matches • Jump straight to a path such as $.users[0].name • The inspector shows readable dates for Unix timestamps and ISO 8601 dates, decodes URL and Base64 strings, and opens links • Copy a value, key or JSON path with one tap EXPORT YOUR WAY • 2 or 4 spaces, tabs or minified, with optional sorted keys • Save to Files or copy to the clipboard IN SAFARI • Formats JSON pages automatically, with search, JSON Path queries and themes • Export to JSON, YAML or CSV • Send any JSON page to the Structly app with one tap SHARE SHEET • "View in Structly" opens JSON from Files, Mail and other apps right in the share sheet PRIVATE BY DESIGN • No account, no ads, no tracking and no data collection • Everything happens on your device. Recent documents never leave it, and you can turn them off Built for developers, API testers and anyone who works with JSON.
Screenshots
Verdict
The clearest difference is price: Structly at Free against API Testing Tool's $1.99. Structly also leads on ratings volume (4 vs 1) and device support (3 vs 1). API Testing Tool's advantage is in-app purchases (none vs 3) and rating (5.0 vs 4.8). On review sentiment, update cadence, ads and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Structly is free to download; API Testing Tool costs $1.99 up front. Structly sells 3 one-off in-app purchases. API Testing Tool asks for nothing beyond the download.
API Testing Tool holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
API Testing Tool ships an update every 2 weeks, Structly fortnightly. The most recent releases landed on October 7, 2026 and October 23, 2026 respectively.
| Parameter | API Testing Tool | Structly |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.8 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 3 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | ANDREI EDUARD ISTRATE | Chen He |
Customer experience
API Testing Tool
Structly
In-app purchases
API Testing Tool
No in-app purchases
Structly
- Small Tip$0.99
- Medium Tip$2.99
- Large Tip$4.99









