Readium LCP

LCP Pricing

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

Our pricing structure is dual:

  • A “volume-based” pricing on LCP Server fees for high-volume emitters, i.e. organisations that generate more than 1 million licenses per year.
  • A “revenue-based” pricing on LCP Client fees for all organisations, and LCP Server fees for organisations that are not high-level emitters. This is a tiered-pricing structure based on their annual revenue from digital products.

The following tables outline the pricing model that will be applied to new LCP integrations starting in March 2025 and to existing customers from January 2026.

Volume-based pricing

Class Server
F – more than 1 M licenses 18,000
G – more than 2 M licenses 36,000
H – more than 4 M licenses 60,000
I – more than 10 M licenses tbn

All prices are in €, before VAT.

Revenue-base pricing

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€ 18,000 3,600 6,000 8,000
G – 20 to 30M€ 36,000 4,800 8,000 10,000
H – 30 to 100M€ 60,000 9,000 10,000 20,000
I – > 100M€ tbn tbn tbn tbn

All prices are in €, before VAT.

Key Points

  • Volume-based pricing: This model has been created to correct the effects of small organizations distributing LCP licenses on behalf of “high volume emitters” (mainly large libraries and ebook distributors). It takes precedence over the revenue-based pricing.
  • Revenue-based pricing: The fee structure is determined by the client organisation’s annual gross revenue from digital products. 
  • Annual fee structure: All listed fees are charged annually at the date of signature of the contract and are exclusive of taxes.
  • 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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