Pricing

A clear summary of what Duolian sells and how billing works.

Duolian currently publishes two digital product types: a one-time Starter Pack and Launch Subscription with monthly or yearly billing. International website orders are shown in USD, while mainland China pricing may be shown in CNY. This website does not currently offer a custom or enterprise checkout plan.

See refund policySee terms of service

Public pricing

The prices below come from the current website billing model and are published for customer clarity and payment verification. duolian.cc currently sells only the public plans below. Final checkout totals may vary by market, tax, and payment availability.

One-time purchase

Starter Pack

$4.99
Mainland China reference price: ¥3.99

Best for lighter usage. You purchase a fixed amount of analysis access without creating a recurring billing relationship.

  • Includes 45 minutes of analysis time (2700 analysis seconds).
  • One-time purchase with no auto-renewal.
  • Fits ad hoc review, single-session technique checks, or first-time trials.
Monthly subscription

Launch Subscription

$14.99 / month
Mainland China reference price: ¥12.99 / month

Best for regular users. Start with a trial, then keep weekly analysis quota while the subscription remains active.

  • Includes a 7-day trial before the first paid charge.
  • Refreshes 120 minutes of analysis time weekly (7200 analysis seconds). Unused weekly quota does not accumulate.
  • Auto-renews monthly until you cancel.
Yearly subscription

Launch Subscription Annual

$89.94 / year
Mainland China reference price: ¥77.94 / year

Best for long-term training. Billed yearly while keeping the same weekly analysis quota.

  • Includes a 7-day trial before the first paid charge.
  • Refreshes 120 minutes of analysis time weekly (7200 analysis seconds). Unused weekly quota does not accumulate.
  • Yearly price is monthly price × 12 × 0.5 and auto-renews yearly until you cancel.

What you are buying

  • Duolian sells digital badminton video analysis services and related software access, not physical goods.
  • Starter Pack grants one-time analysis usage, while the subscription grants weekly refreshed analysis quota and ongoing access.
  • This website currently sells only the public self-serve plans shown above and does not offer a custom or enterprise checkout plan.
  • Desktop beta access, regional availability, or feature previews may be managed separately from paid plans and do not create a perpetual entitlement.

Tax and currency

  • International website pricing is publicly shown in USD by default.
  • Mainland China pricing may be shown separately in CNY or through local payment channels.
  • Applicable taxes, FX handling, and final totals are shown on the actual checkout page.

Subscription cancellation

  • Website subscriptions can be canceled before the next renewal date.
  • After cancellation, the current paid period usually remains available until it ends.
  • If you purchased through the App Store, cancellation and billing management must be handled through Apple.

Billing notes

What is the difference between a website order and an App Store order?

Website orders follow the checkout flow and policies published on this website. App Store orders are billed, refunded, and managed by Apple.

Can pricing change?

Yes. We may update pricing based on product stage, market conditions, and tax requirements. Any updated price is shown on the website and again on the checkout page.

Do you currently offer team or enterprise plans?

Not at this time. duolian.cc currently sells only Starter Pack and Launch Subscription with monthly or yearly billing, and this website does not currently offer a custom or enterprise checkout plan.