# Cosync

> Publicly sourced profile assembled by Optimly, in the Optimly AI Brand Index. Last refreshed 2026-10-04.

- **Business Profile:** https://optimly.ai/brand/cosync
- **Dataset:** https://optimly.ai/brand/cosync.json
- **Markdown:** https://optimly.ai/brand/cosync/llms.txt
- **Official website:** https://appkey.io
- **Slug:** cosync
- **Categories:** cybersecurity

## Overview

- **Tagline:** Affordable pricing, lightning-fast implementation with comprehensive cross-platform SDKs, enterprise features like self-hosting and customizable authentication rules, and strong security ensuring private keys are never stored on servers and only accessible via biometric authentication.
Source: Brand's website (https://appkey.io) · 2026-10-04

- **Description:** AppKey provides a comprehensive, affordable, and easy-to-implement Passkey authentication solution for mobile and web applications, offering cross-platform SDKs, enterprise features, and robust security without storing private keys.
Source: Brand's website (https://appkey.io) · 2026-10-04

## Offerings

- **Core capabilities:**
  - Passkey authentication SDKs and APIs for mobile (iOS Swift
  - Android Kotlin
  - React Native
  - Expo) and web (React
  - Angular) applications
  - enabling passwordless login
  - social login
  - and customizable authentication rules.
Source: Brand's website (https://appkey.io) · 2026-10-04

- **Pricing:** Subscription-based, tiered pricing (Developer, Developer+) with per-user fees beyond included limits. Offers monthly or yearly billing with rates starting at $0.03 cents per user/month, or $299/month for 10,000 active users.
Source: Brand's website (https://appkey.io) · 2026-10-04

## Audience

- **Target industry:** Developers, small to large businesses, and enterprises looking for secure, affordable, and easy-to-implement Passkey solutions for their mobile and web applications.
Source: Brand's website (https://appkey.io) · 2026-10-04

Page last updated 2026-10-17.