Company lists · Data refreshed October 2026

Top 25 In-app messaging platforms worldwide

RevenueBase identified 1,639 company matches for in-app messaging platforms worldwide as of October 2026 and tracks 42,011 professional contacts across them, including 16,021 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for in-app messaging platforms 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 1, 2026. Country and city lists for in-app messaging platforms 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 1, 2026 How this list was built
1,639Companies
42,011Contacts tracked
16,021Verified emails
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The 25 largest in-app messaging platforms worldwide

Ranked by team size
Top 25 of 1,639 company matches for in-app messaging platforms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 matchSan Francisco, CA, United StatesHQ recorded Oct 1, 20265,001-10,0006,047 contacts →

Exact match

“Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 1, 20261,001-5,0003,309 contacts →

Exact match

“Infobip is a global leader in omnichannel engagement powering a broad range of messaging channels, tools and solutions for advanced customer engagement, authentication and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchStockholm, SwedenHQ recorded Oct 1, 20261,001-5,0002,934 contacts →

Exact match

“Sinch’s vision is to connect every business with every customer, everywhere in the world.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Oct 1, 20261,001-5,0002,142 contacts →

Exact match

“Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging.™ Braze allows any marketer to collect and take action on any amount of data from…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchNew York, United StatesHQ recorded Oct 1, 20261,001-5,0001,287 contacts →

Exact match

“Attentive® knows personalized customer experiences require both powerful technology and the right people behind it.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchMumbai, IndiaHQ recorded Oct 1, 20261,001-5,0001,265 contacts →

Exact match

“Netcore offers a Comprehensive Customer Engagement & Experience Suite that empowers marketers to create personalised customer experiences.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Oct 1, 2026501-1,000908 contacts →

Exact match

“MoEngage is an agentic customer engagement platform for the customer-obsessed marketers and product owners.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchVienna, GermanyHQ recorded Oct 1, 2026501-1,000831 contacts →

Exact match

“SAP Engagement Cloud (formerly SAP Emarsys) helps organizations power unique engagement by connecting real-time customer insights with the operational signals that run the…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchPalo Alto, CA, United StatesHQ recorded Oct 1, 2026201-500733 contacts →

Exact match

“AppLovin helps businesses of any size reach over a billion people who play mobile games every day.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchLuxembourgHQ recorded Oct 1, 2026201-500716 contacts →

Exact match

“Rakuten Viber is one of the most trusted and downloaded apps in the world.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchConway, AR, United StatesHQ recorded Oct 1, 2026501-1,000539 contacts →

Exact match

“Acoustic, L.P.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchLondon Bridge, United KingdomHQ recorded Oct 1, 2026201-500491 contacts →

Exact match

“Dotdigital is a human-first marketing platform that helps you connect with your customers on the channels they know and love.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchPortland, OR, United StatesHQ recorded Oct 1, 2026201-500446 contacts →

Exact match

“Create personalized customer journeys that engage and convert with our versatile customer engagement platform.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchMumbai, IndiaHQ recorded Oct 1, 2026201-500417 contacts →

Exact match

“Karix Mobile empowers enterprises to use mobile to transform their business at all stages of customer life cycle, from acquisition to retention.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchMadison, CT, United StatesHQ recorded Oct 1, 2026n/a408 contacts →

Exact match

“zuku is a US-based company that lets you use mobile messaging to build a private network of the people that are important to you and your organization.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchTaipei, TaiwanHQ recorded Oct 1, 2026501-1,000328 contacts →

Exact match

“About LINE Taiwan Limited, With the LINE messaging app as the cornerstone,LY Corporation's business encompasses development and operation of a wide range of mobile-first…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchDubai, United Arab EmiratesHQ recorded Oct 1, 2026201-500279 contacts →

Exact match

“At mobiShastra we keep making value additions to your very own mobile phone to make your life smile, a little more.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Oct 1, 2026201-500270 contacts →

Exact match

“The Firstup Intelligent Communication Platform equips organizations to improve productivity, retention, labor efficiency, safety compliance, and revenue performance by activating…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchNoida, IndiaHQ recorded Oct 1, 2026501-1,000265 contacts →

Exact match

“19 Years.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchAlpharetta, GA, United StatesHQ recorded Oct 1, 202651-200237 contacts →

Exact match

“We solve a critical gap businesses face with employee to client communication, over voice and messaging.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchChicago, IL, United StatesHQ recorded Oct 1, 202651-200237 contacts →

Exact match

“Vibes’ mobile-first platform creates personal, revenue-driving and long-term mobile engagement between consumers and the world-class brands they love.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Oct 1, 2026n/a237 contacts →

Exact match

“Courier is the customer messaging and notifications platform where your team and AI agents collaborate.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchJakarta, IndonesiaHQ recorded Oct 1, 2026201-500210 contacts →

Exact match

“BBM is one of the largest mobile messaging applications.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchMiguel Hidalgo, MexicoHQ recorded Oct 1, 202651-200193 contacts →

Exact match

“Auronix is a communications platform as a service (CPaaS) provider based in Mexico City.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchSan Mateo, CA, United StatesHQ recorded Oct 1, 202651-200191 contacts →

Exact match

“OneSignal is the leading customer engagement platform for push, email, SMS/RCS, and in-app messaging.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 1,639 in-app messaging platforms worldwide

See the full list, filter by size, metro and specialty, and access 16,021 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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In-app messaging platforms worldwide at a glance

As of Oct 1, 2026
38.1%Verified-email coverage
25.6Average contacts per company
11-50Median size (employees)
2.2%Largest-city concentration · New York
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
766
11-50
615
51-200
182
201-500
50
501-1,000
12
1,001-5,000
7
5,001-10,000
1
10001+
3

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 in-app messaging platforms are linked below.
What qualifies
Company records worldwide whose business descriptions match “in-app messaging platforms” 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 16,021 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 1, 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.

In-app messaging platforms by location

11 lists · largest first

Every In-app messaging platforms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “in-app messaging platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many in-app messaging platforms are there worldwide?

RevenueBase identified 1,639 company matches for in-app messaging platforms 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?

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

Which country has the most in-app messaging platforms?

The United States leads with 228 companies, followed by India (157) and Brazil (43). Every in-app messaging platforms list by country and city is linked on this page.

Which city has the most in-app messaging platforms?

New York leads with 36 company records, followed by San Francisco (31) and London (27).

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 16,021 professional contacts with verified work emails tracked across these 1,639 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 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,639 in-app messaging platforms worldwide. Start with a free account, no credit card.

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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.