Kiosk vs Webhook Relay
Kiosk
github.comWebhook Relay
webhookrelay.comSide by side
| Figure | Kiosk | Webhook Relay |
|---|---|---|
| Price from | Free | $8.99/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 2 | 5 |
| Spec score · Webhook Management Software | 8.7 (#6) | 7.9 (#19) |
| Integrations | The desktop apps support opening PDFs directly and associating Kiosk with PDF files; the extension can intercept PDFs opened in Chrome. | The site describes use with providers and tools including Stripe, GitHub, Shopify, Jenkins, Bitbucket, AWS, GCP, and Azure. |
| Product | Kiosk is an open-source PDF reader for web, desktop, mobile, and browser extensions. | Webhook Relay receives, transforms, and delivers webhooks to public URLs, private servers, or localhost. |
| Support | The Linux release directs users to report bugs by opening a GitHub issue. | Customers can contact support through the site chat or by email, while the pricing page lists priority support for Business and dedicated support for Pro. |
Plans
Webhook Relay
- Free StarterFree
- Basic$8.99 a month
- Business$71.99 a month
- Pro$224.99 a month
- EnterprisePriced on request
In their own words
Kiosk
Kiosk is a free, open-source PDF reader for web, desktop, mobile, and browser extensions. It renders PDFs and offers full-text search with highlighted results, page thumbnails, zoom, and light, dark, and night display modes. Its Chrome extension adds highlighting, underlining, strikethrough, drawing, shapes, and text annotations. The project says PDFs stay on the device, with no telemetry, cloud processing, or account requirement. Android works offline after installation, and the extension release notes also state that offline use is supported. The web app can run locally or be deployed through GitHub Pages as a self-hosted instance. Desktop apps can open PDFs directly and associate Kiosk with PDF files; the extension can intercept PDFs opened in Chrome. The extension supports Chrome 88+, Edge 88+, and Brave, but not Firefox or Safari. The project is released under the MIT License. Its Android release is an early alpha, and the macOS app is ad-hoc signed but not notarized, so Gatekeeper may warn on first launch.
Webhook Relay
Webhook Relay receives webhooks, transforms payloads and delivers events to public URLs, private servers, localhost or cloud services such as AWS and GCP. It stores incoming events and retries delivery with exponential backoff for up to 30 days. JavaScript or Lua functions can filter, route and transform payloads. Tunnels expose local servers through encrypted connections described as available in multiple regions and non-expiring. The site lists uses with Stripe, GitHub, Shopify, Jenkins, Bitbucket, AWS, GCP and Azure. Webhook Relay can run on customer infrastructure; its agent is available for Linux, Windows and macOS, as well as in a Docker container. The company says it has SOC 2 Type II certification and describes authenticated agents and encrypted tunnels for reaching internal services. The free plan includes 150 webhooks per month, up to two destinations and one input. Its pricing FAQ says free-plan buckets are temporarily suspended from receiving webhooks when the monthly quota is reached. Basic costs $8.99 per month and includes 5,000 webhooks per month, 10 destinations and eight bidirectional tunnels.