What Blub Blub does

Blub Blub Inc. (doing business as Speech Blubs) is a private, founder-led consumer software company that builds mobile applications for early-childhood speech and language development. The flagship product, Speech Blubs, is a subscription-based app for children aged 1–8 that uses a "video modeling" pedagogical technique in which children watch and imitate real kid "teachers" on screen, supplemented by face filters powered by Apple's TrueDepth API, voice/speech recognition, and gamified rewards grounded in ABA-therapy principles. The app targets three overlapping end-user cohorts: parents of typically developing children seeking at-home speech enrichment, parents of children with speech delays or conditions such as Down syndrome and Autism Spectrum Disorder, and (via the 2023-launched Speech Blubs Pro product) speech-language pathologists seeking a clinical session tool. Content is co-developed with a network of 1,000+ SLPs, and the app is available globally on iOS and Google Play with localization in US/UK English, Spanish, French, and Brazilian Portuguese.

The company's product portfolio has expanded beyond the original Speech Blubs app to include Reading Blubs (a 2025 reading-literacy companion built with 200+ educators), Lingo Blubs: Learn English (a 2022 English-learning app), and Speech Blubs Pro (a 2023 B2B/clinical session creator). The business model is a single revenue stream — recurring consumer subscriptions priced at $9.99–$14.49 per month or $29.49–$59.99 per year, with a free trial — distributed exclusively through the Apple App Store and Google Play; no B2B contracts, licensing, or alternative channels are disclosed. The company has raised two disclosed funding rounds: a 2017 seed led by PUSH VC with Speedinvest participating, and a 2019 round with Silicon Gardens. Cumulative lifetime downloads exceed 10 million, and the company has received Apple Editor's Choice, App of the Day, Mom's Choice, and Forbes recognition. The company is headquartered in Delaware, employs approximately 40 people, and is led by co-founders Jernej Fuzir (CEO) and Dal Rupnik (CTO).

Name

Blub Blub

Legal name

Blub Blub Inc.

Website

https://speechblubs.com

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Short description

Blub Blub (Speech Blubs) is a private consumer app company that builds subscription-based mobile speech-therapy applications for children aged 1–8, using video modeling, face filters, and SLP-developed content, distributed globally via Apple App Store and Google Play.

Ownership category

akta.pro rank

Product category

Children's Speech Therapy Apps

akta.pro primary industry

Fluency (Stuttering/Cluttering) Services (School-Age) (EDAKAEAG)

Keywords

• Speech therapy app
• Children language learning
• Video modeling technology
• Early childhood education
• Speech language pathology

Headquarters

HQ city

Newark

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Software

Cost components

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

Revenue model

1. Subscription (iOS/Android): Monthly and annual subscription plans providing unlimited access to all app activities. Free trial available for new users. Subscriptions auto-renew unless cancelled. Payment processed through App Store or Google Play.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Blub Blub develops and operates Speech Blubs, a mobile speech therapy application for children aged 1-8 that uses a video modeling technique in which children watch and imitate peer "teachers" demonstrating sounds, words, and sentences. The app delivers 1,500+ gamified activities across 28 learning sections, integrates Apple TrueDepth face filters and voice detection for interactive practice, and is monetized through monthly and annual subscriptions sold via the Apple App Store and Google Play Store. Additional products include Reading Blubs, Lingo Blubs, and Speech Blubs Pro for SLPs.

Differentiator

Problem solved

Functional benefit

Brands

• Reading Blubs: A reading app designed with over 200 teachers and literacy experts, providing access to learning letters, words, and becoming a reader.
• Lingo Blubs
• Speech Blubs Pro

Products and services

• Speech Blubs A mobile speech therapy app for children aged 1-8 that uses a video modeling technique in which children watch and imitate peer "teachers" demonstrating sounds, words, and sentences. The app delivers 1,500+ activities across 28 themed sections, including face-filter role-play, voice detection, and progress tracking. Sold as a monthly or annual subscription via the Apple App Store and Google Play Store, with a free trial.
• Reading Blubs A reading app companion to Speech Blubs designed with input from over 200 teachers and literacy experts, focused on learning letters, words, and early reading skills for children.
• Lingo Blubs English learning mobile app for children, part of the Blub Blub product family, designed to teach English to young learners.
• Speech Blubs Pro Professional Speech Therapy Session Creator mobile app made for Speech-Language Pathologists (SLPs), designed to support clinical practice through structured session creation.

Quantifiable outcome

• Children show measurable improvement in speech within first 7 days of consistent use
• +1 more outcomes

Named customers3 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

Integration4 records

AI capability4 records

Feature5 records

Partnerships

Two partnerships are on record, tiered minor and core.

• Facebook Start ProgramminorGTM or Marketing PartnerSpeech Blubs was supported by the Facebook Start Program, which provides resources and support for startups building social applications.
• Speech-Language Pathologist Network (SLP Network)coreStrategic or Co-development PartnerNetwork of 1,000+ speech-language pathologists who collaborate with Speech Blubs to develop and validate app content, ensuring clinical effectiveness and professional endorsement.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Toca Boca: Play-based children's app maker with subscription bundles. Adjacent competitor for parent attention and screen-time budget for the 1-8 age group.
• Originator: Developer of Endless Alphabet, Endless Reader, and other educational apps for young children. Comparable in app-store-native distribution and early-childhood learning category.
• Peachie Speechie: Speech-language pathologist-led speech therapy brand with apps and resources for parents and clinicians. Overlaps in SLP-driven content development and parent/SLP customer base.

Direct peers

• AssistiveWare: Developer of Proloquo and Proloquo2Go, leading AAC and speech/communication apps for children with speech delays and autism. Directly comparable as a clinically credible speech-app company serving similar family and SLP audiences.
• Little Bee Speech: Creator of Articulation Station, a flagship speech therapy articulation app for children. Targets the same parent and SLP user base with overlapping speech-sound practice content.
• Otsimo: Special education app platform serving children with autism and speech delays using gamified activities. Direct competitor in the special-needs speech and learning category.
• Lingokids: Subscription-based English learning and early childhood education app. Comparable product-led growth motion, age range, subscription pricing, and global app store distribution.

Broad incumbents

• Age of Learning (ABCmouse): Large incumbent in early childhood education with ABCmouse and Adventure Academy platforms. Competes for the same parent budget and includes speech/language modules as part of a broader curriculum.
• Khan Academy Kids: Free early-learning app from Khan Academy covering literacy, numeracy, and social-emotional development. Functions as a broader incumbent that overlaps with Speech Blubs' age range and parent audience.

Regional players

• Speech Blubs competitors: Splingo (Reasonable Software): UK-based speech and language learning app for children with language delays. Direct comparable in product functionality and parent/SLP target market, though primarily serving UK and European audiences.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/speechblubs
• LinkedInlinkedin.com/company/blub-blub

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds2 records

Investors3 records

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 Blub Blub