Cosmo vs RestForge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cosmo
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We've been there. You need to execute a postman collection asap, but you're away from your desktop. You try the mobile web browser, but it's just not cutting it! Meet Cosmo, Postman's best friend. Cosmo integrates with your Postman account, giving you access to your Postman content on the go. Features include: ** Integration via API key. The key is store securely on your own device, and never leaves. ** Access all of your collections, across all workspaces. ** Modify collection and environment variables locally. ** Configure full or partial collection runs with support for nested folders. ** Or, trigger individual endpoint requests. ** View responses, complete with pass / fail test results. ** Pre and post request scripts will run seamlessly, and update local variable state. There are some tricks Cosmo hasn't learned yet: ** Create, edit, or delete collections and/or requests. ** Save variable modifications to the Postman servers. Only the local instances are updated. ** Team management. No inviting new members, managing members, etc. If you would like to see a new feature, just ask!
RestForge
This app allows developers to build, test, debug, and automate APIs directly from their mobile devices. It supports various HTTP methods, body types, and offers cloud sync, scripting, and SOAP support. Premium features include code export and an analytics dashboard.
- Send and test all HTTP methods
- Support for multiple body types
- Import from popular API tools
- Cloud sync across 5 platforms
- Pre & post-request JavaScript scripting
- SOAP/WSDL support
- Request scheduling
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RestForge - API Testing is a powerful, lightweight API client for developers and testers. Build, test, debug, and automate your APIs directly from your phone — no laptop required. KEY FEATURES SEND & TEST REQUESTS • All HTTP methods: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS • Body types: JSON, raw text, XML, HTML, JavaScript, Form-data, file uploads • Headers with smart hints, URL parameter editor, custom timeout • Basic Auth and Bearer Token support IMPORT FROM POPULAR API TOOLS Import collection files compatible with: • Postman Collection (v2.0 / v2.1) • Insomnia, Bruno, Thunder Client • Hoppscotch, Apidog, SoapUI, HTTPie • RapidAPI, HTTP Archive (HAR), cURL • OpenAPI / Swagger (2.0, 3.0, 3.1) (Uses standard exported formats. RestForge is not affiliated with or endorsed by any of these services.) CLOUD SYNC — 5 PLATFORMS Connect your API platform to sync collections across devices: • Postman · Apidog · SwaggerHub · Hoppscotch · RapidAPI Bidirectional sync with intelligent 3-way merge conflict resolution. PRE & POST-REQUEST SCRIPTING • JavaScript scripting before and after every request • Full pm.* API: pm.test(), pm.expect(), pm.sendRequest() • Chai-style assertions and console logging • Set/get environment, collection, and global variables from scripts ENVIRONMENTS & VARIABLES • Multiple environments (dev, staging, production) • {{variable}} syntax in URLs, headers, and body • Collection-scoped and global variables SOAP / WSDL SUPPORT • Parse WSDL 1.1 definitions and browse operations • Auto-generate SOAP envelopes (SOAP 1.1 & 1.2) • Automatic SOAPAction headers and SOAP Fault parsing RESPONSE VIEWER & HISTORY • Syntax-highlighted viewer for JSON, XML, HTML, JavaScript • Inspect response time, status codes, and headers • Copy, share, or save responses • Full request history — revisit, edit, or resend anytime CODE EXPORT • cURL (free) • JavaScript, Python, Dart, Go (Premium) REQUEST SCHEDULING • Schedule API requests at defined intervals with cron support • Background execution without manual interaction ANALYTICS DASHBOARD (Premium) • Request counts by method, response time trends • Status code distribution and 30-day daily usage COLLECTIONS & ORGANIZATION • Offline-first — works without internet • Offline queue with auto-retry on reconnect UPGRADE TO PREMIUM • Ad-free experience • Code export: JavaScript, Python, Dart, Go • Response compare & diff viewer • Analytics dashboard with full metrics • Advanced cloud sync and API scheduling SUBSCRIPTION INFO Subscriptions are charged to your Apple ID at purchase. Auto-renews unless cancelled at least 24 hours before the current period ends. Manage in App Store settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://restforge.org/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Cosmo at none against RestForge's 3. Cosmo also leads on ads (none vs shown). RestForge's advantage is iOS requirement (13.0 vs 15.1). On price 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. RestForge sells 3 in-app purchases, starting at $2.99 per 7 days. Cosmo asks for nothing beyond the download.
| Parameter | Cosmo | RestForge |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.3 (4 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | — | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | Fetch Cosmo, LLC | KHANG LE |
In-app purchases
Cosmo
No in-app purchases
RestForge
- Weekly$2.997 Days
- Monthly3 Days trial$7.991 Month
- Yearly3 Days trial$59.991 Year









