Readium LCP

LCP Pricing

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

Key Points

Our pricing structure is dual:

  • A “revenue-based” pricing, which is the model on which LCP has historically been based. This tiered pricing structure is determined by the client organisation’s annual gross revenue from digital products and services, i.e. related to ebooks, audiobooks, magazines etc., distributed with or without DRM, and if DRM is applied, with LCP or another DRM.
  • A “volume-based” pricing on LCP Server fees for organisations that generate more than 1 million LCP licenses per year. This variant has been created to adapt the model to companies distributing LCP licenses on behalf of large libraries and e-book vendors.

Notes

  • Selection of one of the two approaches: In case the revenue-based and volume-based calculations end up with different fee levels, the highest fee level will be selected. 
  • 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.
  • Annual Fee Structure: All listed fees are charged annually as of the date of contract signature and are exclusive of taxes.
  • Predictable updates: Prices are reviewed every two years by the EDRLab board, with changes announced six months before their implementation in January of the following year. Future fee increases should not exceed inflation rates in Europe.
  • Benefits reversed to open-source and open standards: the benefits we obtain from LCP services are reinvested in our development of Readium toolkits, Thorium Reader applications, and our work on digital publishing standard formats (EPUB 3, Web Publications).

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.

Revenue-base pricing

Class Server Mobile app
(per platform)
Hardware Thorium Desktop 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.

Glossary

  • Server: LCP is integrated server-side, to generate LCP licenses, using or not the open-source Readium LCP Server.
  • Mobile app: LCP is integrated in an iOS or Android application, using or not the open-source Readium Mobile toolkit.
  • Hardware: LCP is integrated in an e-reader (e-ink reader) or a similar hardware device (e.g. glasses).
  • Thorium Desktop fork: LCP is integrated in a Github fork of Thorium Desktop.

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.

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.

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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