Grammatek

What Grammatek does

Grammatek ehf. is an Icelandic private language technology company founded in 2019 and headquartered at the Breið Innovation Center in Akranes, Iceland. The company specializes in Icelandic-language text-to-speech (TTS), with its core product Símárómur functioning as the only Icelandic system voice available on iOS and iPadOS and as a system-level TTS engine on Android. Símárómur integrates with native accessibility features (VoiceOver, Spoken Content on iOS; TalkBack on Android), enabling any app on the device to read Icelandic text aloud. The platform is built on proprietary neural TTS models that run entirely on-device — compressed to fit within the iOS Audio Unit Extension 40MB RAM ceiling and delivering sub-150ms latency on a single CPU core — an optimization global cloud-based TTS providers cannot match on Apple's extension architecture.

Beyond the consumer app, Grammatek develops adjacent AI products including Askur (custom TTS solutions for education, formulas, websites, and documents), Sæmi (a retrieval-grounded FAQ chatbot for websites), Rétturitun (on-device text correction), and audiobook production services. The 2025-2026 roadmap adds three new product lines: an Icelandic voice cloning system (Rannís-funded), Leslingur (a Windows TTS application, Skerfi-funded), and an Icelandic STEM reader for mathematical-formula audiobooks built jointly with the Icelandic Audiobook Library. Voice inventory expanded from one voice (Steinn) to six (Steinn, Kári, Mirra, Ragnar, Saga, Sóley) in December 2025, with three voices offering emotional style variations (neutral, friendly, helpful).

The commercial model combines a freemium consumer app distributed globally via Apple App Store and Google Play (subscription-based premium tier) with bespoke TTS and audiobook production sold directly to Icelandic institutions (most notably Hljóðbókasafn Íslands). Revenue from commercial operations is undisclosed and likely modest; the company is materially sustained by non-dilutive grants from Icelandic public innovation programs (Skerfi, Rannís), channelled through the SÍM national language technology consortium in which CEO Anna Björk Nikulásdóttir is a project manager and co-author of the founding Máltækniáætlun report. The company is privately held by its two co-founders and operates without disclosed outside equity investment.

Name

Grammatek

Legal name

Grammatek ehf.

Website

https://grammatek.com

Company type

Private

Founded year

2019

Operating status

Operating

Headcount range

1–10 employees

Short description

Grammatek ehf. is an Icelandic language technology company that builds the only native Icelandic neural text-to-speech system voices for iOS, iPadOS, and Android, serving Icelandic-speaking consumers, accessibility users, and institutional audiobook and education customers.

Ownership category

akta.pro rank

Product category

Language Technology

NAICS

Custom Computer Programming Services (541511), Computer Systems Design and Related Services (54151), Computer Systems Design and Related Services (5415)

SIC

Services-Prepackaged Software (7372), Services-Computer Programming Services (7371)

akta.pro primary industry

Text-to-Speech (TTS) & Voice Synthesis (HDAAAFAB)

akta.pro secondary industries

Voice Cloning, Dubbing & Audio Generative Media (HDAAAFAK), Assistive Hearing & Communication Access (Captioning, Hearing Support, Transcription) (EDAFAKAC), Translation, Language Accessibility & Reading Support Tools (e.g., TTS, Captions, Immersive Reader) (EDAFAOAL), Machine Translation & Multilingual NLP (HDAAADAD), AI-Powered Language Tutors, Chatbots & Speaking Practice Tools (EDAFAOAC)

Keywords

• Icelandic text-to-speech
• Speech synthesis software
• Language technology solutions
• Mobile accessibility apps
• Audiobook production services

Headquarters

HQ city

Akranes

HQ country

Iceland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations

Revenue model

1. Símarómur App Sales: Icelandic text-to-speech app distributed through Apple App Store and Google Play Store with subscription model for premium features.
2. Custom TTS Solutions: Customized speech synthesis voices and software for various applications including educational materials, formulas, websites, and documents.
3. Audiobook Production: Production of audiobooks using text-to-speech technology for Hljóðbókasafn Íslands and other clients.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Grammatek develops Icelandic language technology products, primarily neural text-to-speech (TTS) solutions. Its flagship product, Símarrómur, is a mobile TTS app for iOS, iPadOS, and Android that provides synthetic Icelandic voices functioning as system voices, integrating with VoiceOver, TalkBack, and Spoken Content. The company also offers custom TTS solutions (Talgervilslausnir/Askur), audiobook production services in collaboration with Hljóðbókasafn Íslands, and an intelligent chatbot (Sæmi) for websites.

Product overview

Grammatek is a language technology company specializing in Icelandic text-to-speech solutions. The core product is Símarómur, a TTS app for iOS and Android that provides synthetic Icelandic voices as system voices, enabling any app to read Icelandic text aloud. Supporting products include audiobook production services using TTS technology (collaborating with Icelandic Audiobook Library), custom TTS solutions for websites and documents, and the Sæmi chatbot for automated question answering. Additional products include Réttritun (text correction app) and announced products like Leslingur (Windows TTS integration) and an Icelandic STEM reader for mathematical formula reading.

Differentiator

Problem solved

Functional benefit

Brands

• Símarómur: Icelandic text-to-speech app for iOS and Android smart devices that provides system voices for reading Icelandic text aloud.
• Sæmi
• Askur

Products and services

• Símarrómur Icelandic text-to-speech mobile app for iOS, iPadOS, and Android that provides synthetic Icelandic voices functioning as system voices. Integrates with native accessibility features such as VoiceOver, TalkBack, and Spoken Content, allowing any app on the device to read Icelandic text aloud.
• Talgervilslausnir (Askur Custom TTS Solutions) Custom text-to-speech solutions for various applications including educational materials, mathematical formulas, websites, and documents. Uses high-quality Icelandic voices and text processing tailored to client requirements.
• Sæmi Intelligent chatbot that enhances websites with complex information structures. Processes both voice and text input and provides accurate, fact-based responses drawn directly from website content using a retrieval-based approach.
• Hljóðbækur (Audiobooks) Audiobook production service using text-to-speech technology. Collaborates with Hljóðbókasafn Íslands to produce educational audiobooks for Icelandic secondary school students, including STEM materials with automated formula reading.

Quantifiable outcome

• Only iOS system voice for Icelandic
• +3 more outcomes

Named customers2 records

Segments3 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

AI capability8 records

Feature6 records

Partnerships

Four partnerships are on record, tiered core and major.

• Hljóðbókasafn Íslands (Icelandic Audiobook Library)coreStrategic or Co-development Partner · 1 January 2024Ongoing collaboration for production of educational audiobooks using TTS technology. First audiobook released in 2024. Joint development of Icelandic STEM reader for mathematics textbooks. Partnership ensures better availability of audiobooks for Icelandic secondary school students.
• SÍM (Samstarf um íslenska máltækni) - Consortium for Icelandic Language TechnologycoreStrategic or Co-development PartnerGrammatek participates in the national language technology program, handling technical project management during 2019-2021 and 2023-2024. CEO Anna Björk co-authored the foundational report for the National Language Technology Program 2019-2023. Active in planning for Máltækniáætlun 2.
• ApplecoreTechnology or IntegrationSímarómur integrates as an Audio Unit Extension on iOS/iPadOS, becoming a system voice that works with VoiceOver and Spoken Content. Requires meeting Apple's strict technical requirements for TTS extensions.
• AlmannarómurmajorStrategic or Co-development PartnerGovernment body responsible for Icelandic language technology. Grammatek participates in national programs coordinated by Almannarómur, including Máltækniáætlun 1 and 2.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Emerging players

• WellSaid Labs: WellSaid Labs offers AI voice generation with voice cloning for enterprise content teams. Comparable to Grammatek's emerging voice cloning roadmap and custom voice services.
• Murf.ai: Murf.ai is an AI voice generator focused on enterprise content creation (e-learning, advertising, audiobooks) with voice cloning. Compares to Grammatek's custom TTS and audiobook production offerings in target use cases.
• Coqui TTS: Coqui TTS (and Coqui Studio) provides open-source and commercial neural TTS with voice cloning capabilities. Relevant peer given Grammatek's open-source contributions via the Icelandic Language Technology GitHub repository.

Broad incumbents

• Google Cloud Text-to-Speech: Google Cloud TTS provides neural voices across dozens of languages via WaveNet/Journey models. Represents the type of hyperscaler offering whose expansion into low-resource Nordic languages would directly threaten Grammatek.
• Microsoft Azure Speech: Microsoft's cloud TTS service offers a large library of neural voices across many languages and is the type of broad incumbent whose future addition of high-quality Icelandic voices could challenge Grammatek's niche moat.
• ReadSpeaker: ReadSpeaker is an established commercial TTS provider offering branded voices across many languages for publishers, education, and enterprise. Overlaps with Grammatek's custom TTS and audiobook production work but with much broader language coverage.
• Amazon Polly: Amazon's cloud TTS service offering neural voices across many languages for application integration. Comparable as a broad incumbent that could expand into Icelandic TTS in the future.

Direct peers

• CereProc: CereProc builds characterful, emotive TTS voices with a focus on regional and lesser-served languages and accents (e.g., Scottish English). Closely mirrors Grammatek's niche-language focus and approach of building bespoke voices for under-served linguistic markets.
• ElevenLabs: ElevenLabs is a leading AI voice synthesis platform offering multilingual TTS and voice cloning for consumers and enterprises. Most directly comparable to Grammatek's TTS/voice cloning capabilities, though operating globally versus Grammatek's Icelandic niche.
• Speechki: Speechki converts text into audiobook-quality audio using AI voices, primarily targeting the publishing and education markets. Closely mirrors Grammatek's audiobook production service with Hljóðþbókasafn Íslands.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• GitHubgithub.com/icelandic-lt
• Facebookfacebook.com/profile.php
• LinkedInlinkedin.com/company/grammatek

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

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 Grammatek