Desktop-first product
Installers, offline environments, auto-updates and device slots are the core problems.
Why a licensing platform built for desktop software
Legacy licensing platforms grew from server or enterprise software; desktop clients, payments and updates often need separate glue. UnionUser puts them in one model.
| Dimension | UnionUser | Keygen | Cryptlex | LicenseSpring | In-house |
|---|---|---|---|---|---|
| Client credential | License key only | Key / public key | License key | License key | Custom |
| Offline Ed25519 | ✓ | ✓ | ✓ | ✓ | Build it |
| Subscription / perpetual / trial | ✓ | ✓ | ✓ | ✓ | Build it |
| Stripe built in | ✓ | Partial | Partial | ✓ | Build it |
| Self-signup trials | ✓ | Partial | Partial | Partial | Build it |
| Update feeds | Sparkle / Velopack / Tauri | Limited | Limited | Limited | Build it |
| Customer portal | ✓ | ✓ | ✓ | ✓ | Build it |
| Usage quotas | ✓ | Partial | ✓ | ✓ | Build it |
| Self-hosted | Commercial license | Enterprise | Partial | Enterprise | ✓ |
| Chinese UI & support | ✓ | Limited | Limited | Limited | Team-dependent |
| Entry cost | Free tier | Usage-based | Usage-based | Usage-based | Engineering time |
Based on public information as of Nov 2026. For directional comparison only — confirm features, pricing and terms with each vendor.
Choosing
When UnionUser is the right fit
You want to sell the app
You need subscriptions, perpetual sales, trials, refunds and invoices without building payments.
Chinese team going global
Bilingual UI, Stripe collections and local-language support in one vendor.