Company lists · Data refreshed October 2026

Top 25 AI audio flashcard software companies worldwide

RevenueBase identified 331 company matches for AI audio flashcard software companies worldwide as of October 2026 and tracks 3,897 professional contacts across them, including 1,182 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for AI audio flashcard software companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 20, 2026. Country and city lists for AI audio flashcard software companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 20, 2026 How this list was built
331Companies
3,897Contacts tracked
1,182Verified emails
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The 25 largest AI audio flashcard software companies worldwide

Ranked by team size
Top 25 of 331 company matches for AI audio flashcard software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPittsburgh, PA, United StatesHQ recorded Oct 20, 2026501-1,0001,874 contacts →

Exact match

“Duolingo is the most downloaded education app in the history of the App Store.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Oct 20, 202651-200258 contacts →

Exact match

“Our mission is to reinvent the way people learn, starting with language.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
3Exact matchLos Gatos, CA, United StatesHQ recorded Oct 20, 2026201-500248 contacts →

Exact match

“ELSA is the AI-powered spoken English platform that helps businesses, educational institutions, and individuals improve communication performance with confidence.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
4Exact matchBeijing, TaiwanHQ recorded Oct 20, 202651-200115 contacts →

Exact match

“Founded in 2002, L Labs is an educational software company that focuses on developing innovative language learning tools.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
5Exact matchGurgaon, IndiaHQ recorded Oct 20, 202611-5071 contacts →

Exact match

“SpeakX is a pioneering Edtech startup based in India, dedicated to revolutionizing English Speaking for India through advanced genAI technology.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
6Exact matchTel Aviv, IsraelHQ recorded Oct 20, 202611-5062 contacts →

Exact match

“Singit is revolutionizing English learning through the power of music and AI.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
7Exact matchWilmington, DE, United StatesHQ recorded Oct 20, 202611-5052 contacts →

Exact match

“Immersive language learning app with generative AI Avatars.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
8Exact matchBangalore, IndiaHQ recorded Oct 20, 2026n/a41 contacts →

Exact match

“We are building audio-AI to help the global population speak (English) better!”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
9Exact matchTaipei City, TaiwanHQ recorded Oct 20, 202611-5038 contacts →

Exact match

“VoiceTube is redefining how the world learns English by turning authentic video into an immersive, AI-powered speech and listening experience.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Oct 20, 202611-5037 contacts →

Exact match

“Brainscape is a web and mobile study platform that taps into the way the brain is biologically wired to learn, to help you acquire and retain new knowledge MUCH faster than with…”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
11Exact matchWilmington, DE, United StatesHQ recorded Oct 20, 202611-5036 contacts →

Exact match

“Talkpal is an AI-powered language tutor The fun and effective way to learn a language with AI!”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
12Exact matchLewes, DE, United KingdomHQ recorded Oct 20, 20261-1026 contacts →

Exact match

“Enverson is an AI-powered language tutor that provides personalized, real-time learning experiences.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
13Exact matchSutton, United KingdomHQ recorded Oct 20, 202611-5025 contacts →

Exact match

“WordUp is revolutionising the way English vocabulary is learned around the world.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
14Exact matchBangalore, IndiaHQ recorded Oct 20, 202611-5024 contacts →

Exact match

“Lingopanda (previously PingoLearn) is an English learning app that helps you practice pronunciation and vocabulary, so you can speak English confidently and clearly.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
15Exact matchUnited StatesHQ recorded Oct 20, 202611-5023 contacts →

Exact match

“Connecting with another language is a difficult task, especially when you’re just starting out.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
16Exact matchPoznań, PolandHQ recorded Oct 20, 202611-5020 contacts →

Exact match

“The ability to communicate in English and other languages is extremely appreciated in business and on the job market today.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
17Exact matchChiyoda-ku, JapanHQ recorded Oct 20, 202611-5020 contacts →

Exact match

“Passion for making education more effective, efficient, and fun drives all that we do at We are an ed-tech, AI-driven platform focusing on language learning.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Oct 20, 20261-1017 contacts →

Exact match

“Starting with an AI flashcard app with the mission to shape the future of learning and education.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
19Exact matchBangkok, ThailandHQ recorded Oct 20, 202611-5017 contacts →

Exact match

“Galaxy Kids is an AI-powered mobile app that makes learning spoken English and Chinese fun for young children.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
20Exact matchTaipei, TaiwanHQ recorded Oct 20, 202611-5016 contacts →

Exact match

“Glossika helps language learners speak a language better and faster in the least possible time by using smart technology, adaptive learning algorithms and structured content.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
21Exact matchWiesbaden, GermanyHQ recorded Oct 20, 202611-5013 contacts →

Exact match

“Aus weitreichenden Erfahrungen, höchstem technischen Know-How und auf Grundlage wissenschaftlicher lernpsychologischer Erkenntnisse ist ein umfassendes virtuelles…”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Oct 20, 20261-1012 contacts →

Exact match

“Unleash your Japanese with Cardemy, the most personalized language learning platform Compare word nuances in millions of fun video contexts, focused on your job and hobbies.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
23Exact matchUnited StatesHQ recorded Oct 20, 20261-1012 contacts →

Exact match

“Quippy: The AI-Powered Oral Practice Tool for Teachers Transform the way you teach languages with Quippy, the cutting-edge platform designed to make speaking practice engaging…”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
24Exact matchGothenburg, SwedenHQ recorded Oct 20, 20261-1010 contacts →

Exact match

“Lumi Labs is the creator of LingoLooper, the first fully immersive AI-powered language learning app.”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase
25Exact matchKarlsruhe, GermanyHQ recorded Oct 20, 202611-509 contacts →

Exact match

“AI-Based Education – das ist unsere Leidenschaft!”

Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase

Showing 25 of 331 AI audio flashcard software companies worldwide

See the full list, filter by size, metro and specialty, and access 1,182 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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AI audio flashcard software companies worldwide at a glance

As of Oct 20, 2026
30.3%Verified-email coverage
11.8Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · London
Oct 20, 2026Page data refreshed

Companies by employee count

1-10
274
11-50
49
51-200
4
201-500
2
501-1,000
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for AI audio flashcard software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “AI audio flashcard software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,182 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

AI audio flashcard software companies by location

1 lists · largest first

Every AI audio flashcard software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “AI audio flashcard software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI audio flashcard software companies are there worldwide?

RevenueBase identified 331 company matches for AI audio flashcard software companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Duolingo tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most AI audio flashcard software companies?

The United States leads with 45 companies. Every AI audio flashcard software companies list by country and city is linked on this page.

Which city has the most AI audio flashcard software companies?

London leads with 8 company records, followed by Bangalore (7) and San Francisco (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,182 professional contacts with verified work emails tracked across these 331 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.