Readium LCP

LCP Pricing

In this section, we’ll detail the Readium LCP pricing model.

Our pricing is structured into tiers primarily based on a company’s revenue and divided into nine classes. The following table outlines the applicable fee:

LCP Certification

This pricing model will be applied to new LCP integrations starting in March 2025. It will be applied to existing customers starting in January 2026.

All prices are in €, before VAT.

Class Server Mobile app
(per platform)
Hardware Thorium Desktop
(per fork)
A – 0-300K€ 1,200 300 500 1,500
B – 300K to <1M€ 1,800 600 750 2,000
C – 1 to 5M€ 3,000 900 1,000 3,000
D – 5 to 10M€ 6,000 1,200 2,000 4,000
E – 10 to 15M€ 12,000 1,800 4,000 6,000
F – 15 to 20M€ or more than 1 M licenses 18,000 3,600 6,000 8,000
G – 20 to 30M€ or more than 2 M licenses 36,000 4,800 8,000 10,000
H – 30 to 100M€ or more than 4 M licenses 60,000 9,000 10,000 20,000
I – > 100M€ tbn tbn tbn tbn

Key Points

  • Revenue-based pricing: The fee structure is mainly determined by the client organisation’s gross revenue from digital products.
  • License-based pricing: To correct the effects of small organizations distributing LCP licenses on behalf of “high volume emitters” (mainly large libraries), additional thresholds are created that affect the pricing of LCP Server fees, corresponding to 1, 2 and 4 million licenses generated per year.  
  • Annual fee structure: All listed fees are charged annually at the date of signature of the contract and exclusive to taxes.
  • Large-scale deployments: Class I pricing is negotiated based on specific situations, like country-scale deployments.
  • Predictable updates: Prices are reviewed every two years, with changes announced six months before they are applied in January of the following year.

Additional Applications

This applies to extra applications, built and deployed by the same organisation after the first one has been fully certified:

  • Mobile applications: 20% of the base fee per additional application or a Class A fee, whichever is higher.
  • Thorium fork or customization: 50% of the base fee per additional fork/customization.
  • Hardware: No additional charges per extra device.

Discount for Low-income Countries

We are committed to accessibility and affordability for companies in low-income countries. Members in Class A and B belonging to countries listed in our official list of low-income countries receive a 50% rebate on the total certification cost.

What’s next

To know more about the companies that have already adopted Readium LCP

Some Readium LCP adopters

Other Readium projects

Thorium Reader

The reference; a free & ad-free desktop reading app, LCP compliant, OPDS friendly, fully accessible, multilingual, multi-formats.

Discover Thorium Reader

Readium Mobile

The mobile reading engine every developer should use to develop great EPUB reading apps.

Discover Readium Mobile

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