SendMan vs Relay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SendMan
This tool allows developers to build, test, and monitor APIs from any location. Organize requests, save collections, and debug efficiently by comparing responses and inspecting payloads.
- Build and test APIs
- Monitor API performance
- Organize requests and collections
- Switch between environments
- Run requests in sequence
- Compare responses
- Inspect headers and payloads
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SendMan is a full-featured API client for iPhone and iPad — build, send, and test HTTP requests anywhere, without opening your laptop. Debug a REST endpoint on the train, test a GraphQL query between meetings, or inspect a live WebSocket: SendMan puts a complete API testing toolkit in your pocket. Built natively for iOS, it's fast, works offline, and is made for developers, QA engineers, and mobile teams who need real API tooling on the go. BUILD & SEND REQUESTS - Full HTTP request builder — GET, POST, PUT, PATCH, DELETE & more - Add headers, query params, and request bodies in seconds - Reuse {{environment}} variables across URL, headers, params & body - Write tests and validate responses automatically - Generate ready-to-use code from any request ORGANIZE YOUR WORK - Save and group requests into Collections - Switch between multiple Environments and configurations - Full request History with status codes and response times - Instant search across everything GO BEYOND REST - GraphQL — run queries, mutations, and subscriptions - WebSocket — test real-time connections live - Traffic Capture — intercept and inspect HTTP/HTTPS traffic in real time - Monitor — run requests on a schedule and watch performance DEVELOPER TOOLS - Mock Data — auto-generate realistic JSON to test your APIs - JSON Diff — compare two responses and spot every change instantly - Dashboard with success, failure, and average response-time metrics - Response insights, charts, and performance tracking FULL REQUEST CONTROL - Fine-tune timeouts, max response size, and HTTP version - Toggle SSL certificate verification for self-signed certs - SSL/TLS key logging for deep debugging - Light & dark themes plus custom color palettes PRIVATE BY DESIGN Your requests, history, and data stay on your device. SendMan works offline and never sits between you and your APIs. Privacy Policy: https://sendman.netlify.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Relay
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Relay is a modern API client and REST client built for iPhone and iPad. Send HTTP requests, inspect responses, and manage API workflows from anywhere. What you can do with Relay: - Send requests with common HTTP methods (GET, POST, PUT, PATCH, DELETE, and more) - Build requests with query parameters, headers, body, and auth - Test Bearer Token, Basic Auth, and API Key configurations - Inspect response body, headers, and request timing details - Validate and format JSON for faster debugging - Import cURL commands to quickly recreate terminal requests - Organize endpoints in collections and folders - Use environments and variables to switch between dev, staging, and production - Re-run requests from history to speed up testing Relay Pro unlocks advanced workflow and organization features for power users. You can start testing APIs immediately, with no account required. If you build, test, or debug APIs, Relay is the HTTP client that fits your iPhone and iPad workflow. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: SendMan at 4 against Relay's 2. SendMan also leads on iOS requirement (13.0 vs 26.2). On price, ads and in-app purchases 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. SendMan sells 2 in-app purchases, starting at $1.99 per month and Relay sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | SendMan | Relay |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 61 MB | 5 MB |
| Age rating | 12+ | 4+ |
| Developer | Mohammad Imran Mia | Cederic Schmid |
In-app purchases
SendMan
- Remove Ads (Monthly)$1.991 Month
- Remove Ads (Yearly)$9.991 Year
Relay
- Relay Pro Monthly$3.991 Month
- Relay Pro Yearly3 Days trial$8.991 Year
- Relay Pro Lifetime$17.99









