Forge vs OpenAPI Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forge
This app offers a comprehensive suite of 24 developer tools, including text and data manipulation, encoding, hashing, and web utilities. It operates entirely offline, prioritizing user privacy by not collecting personal data. Access generators, converters, and cheat sheets conveniently on your mobile device.
- 24+ offline developer tools
- Text & data manipulation
- Encoding & hashing utilities
- Web & API tools
- Generators & converters
- Cheat sheets & playgrounds
- Privacy-focused, no data collection
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Forge puts 24 essential developer tools in your pocket — all running 100% offline, with no personal data collected (just anonymous usage diagnostics). Stop Googling for converters, formatters, and generators. Forge handles them all in one beautiful, lightning-fast app. WHAT'S INSIDE Text & Data Tools • JSON Studio — format, validate, minify, and explore with tree view • Regex Lab — build and test patterns with live highlighting and a built-in playground • Markdown Preview — instant rendered preview as you type • Diff Viewer — side-by-side text comparison with highlighted changes • SQL Formatter — beautify and minify SQL queries • Lorem Generator — configurable placeholder text Encoding & Hashing • Base64, URL, and HTML entity encoder/decoder • Hash Generator — MD5, SHA-1, SHA-256, SHA-512, HMAC • String Escaper — escape/unescape for JSON, regex, SQL, HTML, XML Web & API Tools • JWT Inspector — decode tokens, view claims, check expiration • cURL Builder — visual HTTP request builder with generated commands • HTTP Reference — status codes, methods, and headers at a glance Generators & Converters • UUID Generator — v4 with bulk mode and copy history • Password Generator — strong passwords and API-key-style tokens • Timestamp Converter — Unix to human-readable with timezone support • Color Converter — HEX, RGB, HSL, SwiftUI, and CSS with live preview • Number Base Converter — decimal, binary, hex, and octal • Pixel Density Converter — pt, dp, px, rem, and em across platforms • Unix Permissions Calculator — chmod made visual • Cron Expression Builder — create and decode cron schedules • String Case Converter — camelCase, snake_case, kebab-case, and more • Text Statistics — word, character, line, and byte counts • IP/Subnet Calculator — CIDR, subnet masks, and IP ranges • QR Code Generator & Reader — create and scan QR codes on-device CHEAT SHEETS & PLAYGROUNDS • Regex, Git, SQL, Bash, Vim, CSS cheat sheets — always available offline • Interactive Regex Playground with 25 progressive challenges • SQL Playground with a built-in sample database • 53 pre-loaded snippet templates across 8 languages BUILT DIFFERENT • Tools run 100% Offline — no internet needed for any of the 24+ tools (App Store purchases and iCloud sync use your own accounts) • Private by design — no accounts; anonymous, aggregated usage diagnostics only; we never sell or share your data • iCloud Backup — snippets, presets, and favorites back up to your own iCloud Drive; restore on a new device by signing into the same Apple ID • Smart Clipboard — detects copied content and suggests the right tool • Clipboard History — persistent log of everything you copy (stays on your device, never backed up) • Code Snippets — save and organize reusable code with tags • Batch Mode — process multiple inputs at once • Share Extension — send text from any app directly to Forge • 7 Home Screen Widgets — quick access without opening the app • Siri Shortcuts — "Hey Siri, generate a UUID with Forge" • Spotlight Search — find any tool from your home screen • Custom Themes — 8 accent colors to match your style 5 tools are free. Unlock all 24+ tools with Forge Pro — one price, forever. No subscriptions. DATA STORAGE - Your snippets, presets, and favorites back up automatically to your personal iCloud Drive, and favorites/recents also sync via iCloud Key-Value Store. All of this uses your own iCloud account — no data reaches our servers. - Clipboard history stays on your device and is never backed up. - Anonymous, aggregated usage diagnostics (no personal data, no tracking) are sent so we can prioritize fixes.
OpenAPI Viewer
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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 — including descriptions, parameters, request bodies, and responses — 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 — all without leaving the app. EXPORT AND SHARE Copy any request as a cURL command, JavaScript fetch, Swift URLSession, or Python httpx snippet — 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 — 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 — entirely your choice. KEY FEATURES • Open JSON and YAML OpenAPI 3.0 and 3.1 specifications • Browse endpoints by tag with HTTP method filters • Full-text search across operations, schemas, examples, and headers • Send real HTTP requests with a built-in inspector • Configure Bearer, API key, Basic, and OAuth credentials • Request history • Copy requests as cURL, fetch, URLSession, or httpx • Schema viewer with constraints, enums, and examples • Native on iPhone, iPad, and Mac
Screenshots
Verdict
The clearest difference is update cadence: Forge at every 9 days against OpenAPI Viewer's every 3 weeks. On price, ads, in-app purchases and device support 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
Both are free to download. Forge sells 4 one-off in-app purchases and OpenAPI Viewer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Forge ships an update every 9 days, OpenAPI Viewer every 3 weeks. Both last shipped on October 25, 2026.
| Parameter | Forge | OpenAPI Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 9 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | ZIma Logistics LLC | Victor Manuel Puga Ruiz |
In-app purchases
Forge
- Forge: Small Tip$0.99
- Forge: Medium Tip$2.99
- Forge: Large Tip$4.99
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- Forge Pro$5.99
OpenAPI Viewer
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99









