Manage two-factor authentication codes with OTP Auth, an iOS app listed on the App Store.
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vschallenges.re
Lucia vs challenges.re
How do Lucia and challenges.re compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Lucia | challenges.re |
|---|---|---|
| What it is | Lucia was deprecated in March 2025. The website was updated in July 2026 and points to code/auth_session.ts as a single-file replacement for the NPM package and to the Auth Book for auth information. | Solve reverse engineering challenges published on challenges.re, a challenge-focused site. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | — |
| Alternatives |
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