What Nabook does

Nabook, operated by L&K Studios SAS, is a French digital reading platform targeting children aged 7-14. Founded in 2018 and headquartered at 25 Rue Louise, 94000 Créteil, France, the company distributes through native iOS and Android apps, a browser-based web application, and a distribution partnership with French mobile operator Free. The platform aggregates curated youth literature from multiple French-language publishers, including Holy Owly, Chattycat, Syros, Québec Amérique, Baribal, and Nathan, with weekly catalog additions. Its product positioning targets a tightly defined age band (7-14) with content curation, multi-profile support, offline reading, and dyslexia-friendly typography (Opendyslexic font with adjustable character size). The company is structured as a French "Société à impact" (impact company) with stated capital of €1,024 and a headcount of 1-10 employees.

The core technology consists of a streaming-style content delivery application with offline caching, multi-profile personalization that saves per-reader progress and surfaces recommendations, bilingual French/English content for language learning, and a web app that allows parents to recover the smartphone from their children. Infrastructure runs on AWS, payments are processed via Stripe for web subscriptions and via Apple App Store and Google Play Store billing for mobile, and the company is GDPR-compliant. No native AI/ML components, large language models, OCR, or speech technology are disclosed in the available data.

Nabook operates a freemium business model: free access to a limited catalog alongside a premium subscription priced at €5.99 per month or €49.99 per year, both following a 7-day free trial. Additional monetization comes from prepaid gift cards (3-month €16.99, 6-month €29.99, 12-month €49.99), bundled distribution via Free Mobile, a schools channel ("à l'école") for institutional access, and a bilingual sub-brand for English-language learning. The company is privately held with no disclosed venture or strategic investor involvement in the available firmographic data, although a separate reference indicates one seed round of approximately $582,298 from Loyal VC in October 2022. Revenue, ARR, and subscriber counts are not publicly disclosed.

Name

Nabook

Legal name

L&K Studios SAS

Website

https://nabook.co

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

1–10 employees

Short description

Nabook operates a French-language digital reading platform for children aged 7-14, distributing curated youth literature from multiple publishers via iOS, Android, and web apps under a freemium plus premium subscription model.

Ownership category

akta.pro rank

Product category

Children's Digital Reading

NAICS

Software Publishers (5132), Web Search Portals, Libraries, Archives, and Other Information Services (5192)

SIC

Books: Publishing Or Publishing & Printing (2731)

akta.pro primary industry

Children’s Digital & Interactive Publishing (E-books, Apps, Enhanced Content) (MPAJAFAJ)

akta.pro secondary industries

E-book Retail & Reading Platforms (Stores, Apps, Devices) (MPAJAMAA), Middle Grade Publishing (MPAJAFAC), Digital Reading Content & eBooks (Leveled Readers, Libraries) (EDAFACAH)

Keywords

• Children reading app
• Digital reading platform
• Bilingual youth fiction
• Subscription book service
• Educational reading content

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Software

Cost components

Technology or R&D, Infrastructure, Marketing or Sales, Operations, Personnel

Revenue model

1. Premium Subscription: Monthly recurring subscription at €5.99/month or annual at €49.99/year with 7-day free trial. Gives unlimited access to entire catalog including all premium series.
2. Freemium Access: Free tier with limited catalog access to attract users before conversion to paid subscription.
3. Gift Cards: Prepaid cards: 3 months €16.99, 6 months €29.99, 12 months €49.99. Also available as e-cards.
4. Third-Party Distribution: Distribution partnerships with mobile operators (e.g., Free) where Nabook subscription is bundled or offered as an add-on to their services.

Pricing tiers

Go-to-market motion1 record

Distribution channels6 records

Marketing channels6 records

Core offering

Nabook is a mobile and web reading application for children aged 7-14 that provides unlimited access to a catalog of hundreds of youth literature series through a freemium model. The platform distributes content from partner publishers with weekly new releases and offers premium subscriptions at €5.99/month or €49.99/year. It includes accessibility features such as Opendyslexic font and adjustable text size, offline reading mode, multi-profile household support, and bilingual French/English content for language learning.

Product overview

Nabook is a youth reading platform for children ages 7-14, offering a unified mobile and web reading experience. The core product consists of the Nabook Mobile App (iOS/Android) and Nabook Web App, both providing access to youth literature through a freemium model with optional Premium subscription (5.99€/month or 49.99€/year). The platform also includes school-specific offerings and e-gift cards as add-on products. The Bilingual Collections sub-brand provides English-learning content through bilingual fiction series.

Differentiator

Problem solved

Functional benefit

Products and services

• Nabook Mobile App A mobile reading application for children ages 7-14 that delivers unlimited access to youth literature collections through native iOS and Android apps, with offline mode and multi-profile support.
• Nabook Web App A web-based reading platform accessible at webapp.nabook.co that allows users to read content on desktop browsers with multi-profile support and seamless multi-device synchronization.
• Premium Subscription Paid subscription (€5.99/month or €49.99/year with 7-day free trial) providing unlimited access to the full Nabook catalog including all premium titles, with no advertisements and offline reading capability.
• Nabook Gift Cards (Cartes Cadeau) Prepaid e-gift cards in 3-month (€16.99), 6-month (€29.99), and 12-month (€49.99) denominations for gifting Nabook premium subscriptions.
• Nabook à l'école (School Offering) A dedicated educational offering providing schools and educational institutions access to Nabook's youth literature content for classroom reading programs.
• Bilingual Collections Curated bilingual French/English youth fiction collections including Tip Tongume Kids, Cléo Lefort, Max Youtubeur, Cat Island, Holy Owly, and Mimi l'inventrice series designed to teach English through bilingual storytelling.

Quantifiable outcome

• Weekly new series releases keep content fresh and engaging
• +1 more outcomes

Segments4 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature5 records

Partnerships

Eight partnerships are on record, tiered core.

• Free MobilecoreChannel Partner/ Reseller/ DistributorFree mobile operator distributes Nabook subscription as part of their offer or as an add-on option for subscribers. This represents a significant distribution channel partnership for the French market.
• Holy OwlycoreStrategic or Co-development PartnerHoly Owly is a publisher providing bilingual French/English content series on Nabook. Founded by two sisters passionate about education, Holy Owly creates content designed to help children maintain and develop language skills.
• ChattycatcoreStrategic or Co-development PartnerEditions Chattycat specializes in bilingual French/English youth novels and comics. They publish series including Enquêtes à New York, Le secret du manga, and Cat Island collections.
• SyroscoreStrategic or Co-development PartnerSyros is a French publishing brand specialized in children's books focused on cultural diversity and social engagement. Part of the Editis group, they publish series including Tip Tongue Kids and Les Humanimaux.
• Québec AmériquecoreStrategic or Co-development PartnerQuébec Amérique publishes youth literature content on Nabook including the Romane et les Emotis and Les Pensionnaires de la Patoche series.
• BaribalcoreStrategic or Co-development PartnerBaribal is an independent publisher created in 2019, publishing Les Mômes de l'ASM series about rugby themes. Their mission is to promote excellent yet accessible literature.
• Amazon Web Services (AWS)coreTechnology or IntegrationAWS provides cloud infrastructure and data storage services for the Nabook platform, hosting user data and application services.
• StripecoreTechnology or IntegrationStripe processes payments for web-based subscriptions including monthly and annual plans via their secure payment platform.

Scale indicators2 records

Recent moves5 records

Expansion highlights6 records

Direct peers

• Epic!: Epic! is a leading subscription-based digital reading platform for kids 12 and under, offering unlimited access to a large library of children's books, audiobooks, and educational videos via web and mobile apps — directly comparable to Nabook in target demographic, freemium-to-subscription model, and content licensing approach.
• Reading Eggs: Reading Eggs (and Reading Eggspress) is a subscription reading and literacy platform for children aged 2-13, combining e-books, guided lessons, and gamified progress tracking — closely aligned with Nabook's age-targeted reading app and educational reading positioning.
• YouScribe: YouScribe is a French-language digital library and subscription reading platform offering e-books and audiobooks via web and mobile — operating in the same Francophone market as Nabook with a similar freemium/subscription model for general and youth content.
• Vooks: Vooks is a streaming platform of animated, narrated children's storybooks for ages 2-8, sold via monthly and annual subscriptions — directly comparable to Nabook in combining storytelling, digital delivery, and family subscription targeting.

Broad incumbents

• Storytel: Storytel is a major audiobook and e-book subscription service with a dedicated kids' category and strong presence in the Nordics and Europe; broader catalog and geography than Nabook but overlapping model (subscription digital reading for families).
• Kindle Kids (Amazon): Kindle Kids is Amazon's kids-focused e-reader and subscription reading bundle for ages 3-12, leveraging the Kindle ecosystem — broad incumbent competitor in the same children's digital reading market with vastly greater scale and capital.

Emerging players

• Storyberries: Storyberries is a free online collection of children's stories, poems, and educational content used by parents and teachers; overlaps with Nabook's reading-for-pleasure angle but is ad-supported/free rather than subscription-based.
• Kidjo TV: Kidjo is a curated kids' video and reading platform operating internationally with a freemium model for ages 3-10 — comparable as a digital content subscription aimed at family screen-time across web and mobile.

Regional players

• Bayam: Bayam is a French subscription platform offering interactive stories, games, and videos for children 3-10 from Bayard Jeunesse — directly comparable to Nabook in the Francophone kids' digital content space, with similar educational publisher backing.

Others

• Librairie des Écoles / Numilog: Numilog is a French digital book distribution platform serving libraries and institutions with e-books and audiobooks — comparable as a French-language e-book distribution channel that competes indirectly for the same young-reader reading hours.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/nabook_app
• YouTubeyoutube.com/@nabook2052/videos
• Instagraminstagram.com/nabook_app
• TikToktiktok.com/@nabook_app

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Nabook