# coss.com — Email, SMS, risk and webhooks

> Email, SMS, risk and webhooks (iPhone/iPad app by Cal.com, Inc..)

- Source: https://appshunter.io/ios/app/cosscom/id6823275264 (this page in markdown: same URL + `.md`)
- Developer: [Cal.com, Inc.](https://appshunter.io/developer/1864941554)
- Category: Developer Tools, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 42 MB
- Languages: American English
- Released: 2026-10-31
- Data updated: 2026-11-06

## What is coss.com?

coss.com is the developer platform for email, SMS, scheduling, risk and webhooks: one API key and one SDK. This app is the companion to your coss.com dashboard.

See what your apps are sending
• Sent and received emails and text messages, with every delivery event
• Activity, open and click rates for each environment
• Templates, broadcasts, contacts, audiences and suppressions
• Your bookings as an agenda, with each host's hours and calendars

Stay ahead of problems
• Your organization's sending reputation, with its bounce and complaint rates
• Webhook endpoints and their deliveries: retry a failed delivery or recover an endpoint
• Logs and log drains for every environment

Act when it matters
• Review risk assessments of sign-ups and logins, and report fraud
• Approve, decline or cancel a booking
• Cancel or reschedule a scheduled email; pause, resume or cancel a broadcast
• Get notified when your standing changes, an endpoint is disabled or an assessment waits for review

Sign in with your coss.com account: password, passkey, Google, GitHub or single sign-on. A coss.com account is required.

## Is coss.com safe?

Not enough ratings yet to assess coss.com.

## Is coss.com legit?

coss.com has limited verification signals. The AppsHunter Legitimacy Score for coss.com is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.1.0 — 2026-11-04

A redesigned app, and Scheduling.

• Home, Products and Organization tabs, with native iOS navigation
• Home shows what needs your attention and how each of your products is doing
• Scheduling: your bookings as an agenda, hosts' hours and calendars, and event types. Approve, decline or cancel a booking from your phone
• A new look on every screen, with smoother loading and lists that load as you scroll

### 1.0.0 — 2026-10-31

No release notes.

## More apps by Cal.com, Inc.

- [Cal.com](https://appshunter.io/ios/app/calcom/id6757157271)

All apps by Cal.com, Inc.: https://appshunter.io/developer/1864941554

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-06.*