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Volley vs Macsmith

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Volley compared with Macsmith
DetailVolley logo VolleyMacsmith logo Macsmith
What it doesAPI sequence diagram tool with payloads on every arrow Your developer tools. One Mac app.
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: editor, local diagrams, share links, SVG and PNG export, CLI, 3 saved diagrams, HAR imports up to 8 requests, 200 hosted API and MCP calls a month, 1 webhook inbox with 25 requests a month, 1 recording link with 3 recordings. Pro: $9/month or $90/year (billed in advance), up to 1,000 saved dia Free: Inspection of all 20 tools included. Macsmith Pro: $5 USD one-time per developer, valid on up to three Macs, includes every future update, no subscription required.
Key features
  • Plain-text sequence diagram editor with real-time rendering
  • Request and response payloads displayed on every arrow
  • HAR file import with automatic redaction of secrets
  • Webhook inbox to capture and diagram provider deliveries
  • Recording links to collect customer HAR files as diagrams
  • Drift Check to update diagrams when APIs change
  • SVG and PNG export for sharing and embedding
  • AI agent support via MCP server, HTTP API and CLI
  • README embeds that update when diagrams are edited
  • Presentation mode for step-through walkthroughs
Not given
What makes it different
  • No account needed to write and share diagrams
  • AI can write diagrams from plain-text syntax
  • Built from real traffic: HAR files, webhooks and customer recordings
  • All twenty developer tools integrated in one native macOS application
  • 100% native macOS built with Swift and SwiftUI
  • Works on up to three Macs per developer license
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)3 no change since last check3 +1 (up) since last check
Trust Flow (Majestic)313
Citation Flow (Majestic)2223
Referring domains (Majestic)811

4 details filled in for both companies.

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