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Top 20 Communication SDKs Used in iOS Apps on the Apple App Store
Last update: 13 Feb 2026 CET
App Store

Top 20 Communication SDKs Used in iOS Apps on the Apple App Store

We at 42matters have gathered a list of the most popular communication SDKs among iOS apps on the iOS app market.

Communication SDKs enable mobile app developers to integrate communication capabilities, such as messaging tools, video conferencing tools, or voice chat in their apps. This may include features such as messaging, voice calling, video calling, screen sharing, file sharing, and other communication-related capabilities.

This list is based on our analysis of the 2,300+ SDKs integrated in the vast mobile applications inventory of the Apple App Store. It provides a glimpse into the rich mobile application insights generated by 42matters’ technology. This data is available via our APIs, file dumps, Explorer, and SDK Explorer.

The intended purpose of this article is to assist app developers in their search for the perfect communication SDK to leverage in their app, as well as to give SDK developers insight into their biggest competitors and potential customers. The data collected by our technology may also serve as a useful tool for folks researching the wider mobile apps market.

Among all apps utilizing communication SDKs, 56.53% have integrated OneSignal. This accounts for 16.12% of app downloads within the communication SDK category.

OneSignal is a market leader in customer engagement. The SDK powers mobile and web push and email and in-app messages.

Total Apps
114.41k
App Store
App Share
56.53%
App Store
Apps
111.07k
Games
3.34k
Total Downloads
12.85b
App Store
Download Share
16.12%
App Store
App Downloads
10.09b
Game Downloads
2.76b

Use the 42matters SDK Explorer to find all apps that use OneSignal.

Among all apps utilizing communication SDKs, 13.64% have integrated Firebase In-App Messaging. This accounts for 17.40% of app downloads within the communication SDK category.

Total Apps
27.61k
App Store
App Share
13.64%
App Store
Apps
26.48k
Games
1.13k
Total Downloads
13.86b
App Store
Download Share
17.40%
App Store
App Downloads
12.59b
Game Downloads
1.28b

Use the 42matters SDK Explorer to find all apps that use Firebase In-App Messaging.

Among all apps utilizing communication SDKs, 11.39% have integrated Zoom Zapp. This accounts for 19.21% of app downloads within the communication SDK category.

Zoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, chat, and webinars across mobile, desktop, and room systems. This SDK enables developers to add Zoom functionalities to their apps.

Total Apps
23.04k
App Store
App Share
11.39%
App Store
Apps
23.00k
Games
46
Total Downloads
15.31b
App Store
Download Share
19.21%
App Store
App Downloads
15.30b
Game Downloads
6.20m

Use the 42matters SDK Explorer to find all apps that use Zoom Zapp.

Among all apps utilizing communication SDKs, 6.06% have integrated Agora.io. This accounts for 10.33% of app downloads within the communication SDK category.

Agora.io provides the building blocks for real-time voice and video communications through a simple and powerful SDK.

Total Apps
12.26k
App Store
App Share
6.06%
App Store
Apps
12.02k
Games
236
Total Downloads
8.23b
App Store
Download Share
10.33%
App Store
App Downloads
7.43b
Game Downloads
798.13m

Use the 42matters SDK Explorer to find all apps that use Agora.io.

Among all apps utilizing communication SDKs, 3.76% have integrated Zendesk. This accounts for 17.27% of app downloads within the communication SDK category.

Zendesk builds software designed to improve customer relationships.

Total Apps
7.62k
App Store
App Share
3.76%
App Store
Apps
7.34k
Games
277
Total Downloads
13.76b
App Store
Download Share
17.27%
App Store
App Downloads
11.49b
Game Downloads
2.27b

Use the 42matters SDK Explorer to find all apps that use Zendesk.

Among all apps utilizing communication SDKs, 3.41% have integrated Twilio Programmable Video. This accounts for 1.56% of app downloads within the communication SDK category.

The Programmable Video REST API allows you to control your video applications from your back-end server via HTTP requests.

Total Apps
6.90k
App Store
App Share
3.41%
App Store
Apps
6.88k
Games
16
Total Downloads
1.24b
App Store
Download Share
1.56%
App Store
App Downloads
1.19b
Game Downloads
50.27m

Use the 42matters SDK Explorer to find all apps that use Twilio Programmable Video.

Among all apps utilizing communication SDKs, 1.97% have integrated Chat SDK. This accounts for 3.11% of app downloads within the communication SDK category.

Total Apps
4.00k
App Store
App Share
1.97%
App Store
Apps
3.95k
Games
41
Total Downloads
2.48b
App Store
Download Share
3.11%
App Store
App Downloads
2.46b
Game Downloads
13.44m

Use the 42matters SDK Explorer to find all apps that use Chat SDK.

Among all apps utilizing communication SDKs, 1.72% have integrated Twilio Programmable Voice (VoIP Client). This accounts for 5.67% of app downloads within the communication SDK category.

The Programmable Voice SDKs allow you to add voice-over-IP (VoIP) calling directly into your web and native mobile applications.

Total Apps
3.48k
App Store
App Share
1.72%
App Store
Apps
3.48k
Games
2
Total Downloads
4.52b
App Store
Download Share
5.67%
App Store
App Downloads
4.52b
Game Downloads
3.01m

Use the 42matters SDK Explorer to find all apps that use Twilio Programmable Voice (VoIP Client).

Among all apps utilizing communication SDKs, 1.43% have integrated OpenTok Tokbox by Vonage. This accounts for 1.13% of app downloads within the communication SDK category.

Vonage APIs (formerly Nexmo and TokBox) help growing startups and agile enterprises enhance customer experience and realize new business outcomes at scale.

Total Apps
2.89k
App Store
App Share
1.43%
App Store
Apps
2.88k
Games
4
Total Downloads
898.75m
App Store
Download Share
1.13%
App Store
App Downloads
896.32m
Game Downloads
2.42m

Use the 42matters SDK Explorer to find all apps that use OpenTok Tokbox by Vonage.

Among all apps utilizing communication SDKs, 1.28% have integrated Jitsi 8x8 Meet. This accounts for <1% of app downloads within the communication SDK category.

Total Apps
2.58k
App Store
App Share
1.28%
App Store
Apps
2.58k
Games
3
Total Downloads
340.25m
App Store
Download Share
<1%
App Store
App Downloads
340.24m
Game Downloads
6.79k

Use the 42matters SDK Explorer to find all apps that use Jitsi 8x8 Meet.

Among all apps utilizing communication SDKs, 1.05% have integrated PubNub. This accounts for 1.13% of app downloads within the communication SDK category.

PubNub is a global Data Stream Network (DSN) and realtime infrastructure-as-a-service. Scale and manage realtime data streams for mobile and web apps with just a few lines of code.

Total Apps
2.12k
App Store
App Share
1.05%
App Store
Apps
2.09k
Games
30
Total Downloads
904.03m
App Store
Download Share
1.13%
App Store
App Downloads
860.69m
Game Downloads
43.33m

Use the 42matters SDK Explorer to find all apps that use PubNub.

Among all apps utilizing communication SDKs, <1% have integrated Stream.io Chat. This accounts for 1.68% of app downloads within the communication SDK category.

Total Apps
1.60k
App Store
App Share
<1%
App Store
Apps
1.60k
Games
6
Total Downloads
1.34b
App Store
Download Share
1.68%
App Store
App Downloads
1.11b
Game Downloads
232.61m

Use the 42matters SDK Explorer to find all apps that use Stream.io Chat.

Among all apps utilizing communication SDKs, <1% have integrated Sendbird UIKit. This accounts for 1.27% of app downloads within the communication SDK category.

Total Apps
1.33k
App Store
App Share
<1%
App Store
Apps
1.33k
Games
1
Total Downloads
1.01b
App Store
Download Share
1.27%
App Store
App Downloads
961.04m
Game Downloads
49.45m

Use the 42matters SDK Explorer to find all apps that use Sendbird UIKit.

Among all apps utilizing communication SDKs, <1% have integrated QuickBlox. This accounts for <1% of app downloads within the communication SDK category.

QuickBlox is backend communication platform providing messenger API and SDK for websites and apps.

Total Apps
1.24k
App Store
App Share
<1%
App Store
Apps
1.23k
Games
4
Total Downloads
28.63m
App Store
Download Share
<1%
App Store
App Downloads
28.61m
Game Downloads
25.98k

Use the 42matters SDK Explorer to find all apps that use QuickBlox.

Among all apps utilizing communication SDKs, <1% have integrated Nim by Netease. This accounts for 1.06% of app downloads within the communication SDK category.

Total Apps
1.18k
App Store
App Share
<1%
App Store
Apps
1.17k
Games
4
Total Downloads
848.42m
App Store
Download Share
1.06%
App Store
App Downloads
848.01m
Game Downloads
411.19k

Use the 42matters SDK Explorer to find all apps that use Nim by Netease.

Among all apps utilizing communication SDKs, <1% have integrated 100ms. This accounts for <1% of app downloads within the communication SDK category.

Total Apps
1.15k
App Store
App Share
<1%
App Store
Apps
1.15k
Games
2
Total Downloads
79.71m
App Store
Download Share
<1%
App Store
App Downloads
79.69m
Game Downloads
14.87k

Use the 42matters SDK Explorer to find all apps that use 100ms.

Among all apps utilizing communication SDKs, <1% have integrated RongCloudSDK. This accounts for <1% of app downloads within the communication SDK category.

RongCloudSDK offers the most secure and reliable global cloud communication service.

Total Apps
1.05k
App Store
App Share
<1%
App Store
Apps
1.05k
Games
3
Total Downloads
294.91m
App Store
Download Share
<1%
App Store
App Downloads
279.93m
Game Downloads
14.98m

Use the 42matters SDK Explorer to find all apps that use RongCloudSDK.

Among all apps utilizing communication SDKs, <1% have integrated Easemob. This accounts for <1% of app downloads within the communication SDK category.

EaseMob is a PaaS-based SDK that allows developers to integrate instant messaging, voice, and data services into their apps.

Total Apps
912
App Store
App Share
<1%
App Store
Apps
909
Games
3
Total Downloads
407.65m
App Store
Download Share
<1%
App Store
App Downloads
407.62m
Game Downloads
31.71k

Use the 42matters SDK Explorer to find all apps that use Easemob.

Among all apps utilizing communication SDKs, <1% have integrated Sinch. This accounts for <1% of app downloads within the communication SDK category.

Sinch is an SDK that enables developers to connect with customers and make engagement personal with simple, programmable SMS, voice, video, and verification tools.

Total Apps
855
App Store
App Share
<1%
App Store
Apps
854
Games
1
Total Downloads
400.97m
App Store
Download Share
<1%
App Store
App Downloads
400.96m
Game Downloads
10.31k

Use the 42matters SDK Explorer to find all apps that use Sinch.

Among all apps utilizing communication SDKs, <1% have integrated Sendbird Calls. This accounts for <1% of app downloads within the communication SDK category.

Total Apps
806
App Store
App Share
<1%
App Store
Apps
806
Games
0
Total Downloads
238.56m
App Store
Download Share
<1%
App Store
App Downloads
238.56m
Game Downloads
0

Use the 42matters SDK Explorer to find all apps that use Sendbird Calls.

Browse iOS and Android SDKs With the SDK Explorer

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  • New Installations and Removals HistoryNew Installations and Removals History

    Analyze installation and removal trends for SDKs. Discover which apps have removed or integrated specific SDKs in a given timeframe.

  • Market Share per Google Play and Apple App Store CategoryMarket Share per Google Play and Apple App Store Category

    See which app categories or genres are most likely to use specific SDKs. Detect SDK market share per category.

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Frequently Asked Questions (FAQs)

How does 42matters collect this data?'

We’ve developed a number of machine learning algorithms that scan millions of mobile and connected TV (CTV) applications on a regular basis. In addition, we collect ground truth app performance intelligence and use this data to build statistical models that estimate the performance of apps for which we do not have ground truth data.

What SDK data does 42matters collect?'

We track over 2,300 of the most popular SDKs integrated in iOS and Android apps. We collect a variety of SDK insights (title, platform, ID, category, and developer website); performance metrics (the number of apps that have installed each SDK, installation and removal trends, and app downloads); market share statistics (including market share per app category); and more!

How can I access 42matters’ SDK data?'

The most direct way is to use our SDK Explorer, which is a visual, web-based research platform that enables you to peruse all 2,300+ SDKs that we track. It’s great for market research, lead generation, competitor analysis, etc. However, more technically-inclined folks might prefer our APIs and File Dumps, which enable you to query info for specific apps or SDKs. You can also use our other research platform (the Explorer) to view integrated SDKs by app.

Can I use 42matters’ solutions to generate app publisher leads?'

Absolutely! We actually wrote about this on our blog. We focused on ad network SDKs, but the examples are applicable to most SDK types. To summarize, you can use the Explorer’s advanced filtering capabilities to home in on best-fit app publishers, leverage the SDK Explorer to see which apps use your competitors’ SDKs, and use our APIs and file dumps to build custom lead generation processes.

What data does 42matters provide on mobile apps?'

A ton! We track 17+ million apps across Google Play, the Apple App Store, Amazon Appstore, Tencent Appstore, and Huawei AppGallery. Our solutions provide access to app details (developer insights, metadata, ASO keywords, contact information, etc.); performance metrics (downloads, MAUs, ratings, reviews, top chart rankings, etc.); technical insights (integrated SDKs, permissions, required capabilities, etc.); content details (categories, genres, IAB categories, content ratings, etc.); compliance information (app-ads.txt, privacy policies, store status, etc.) and much, much more!

Can I use 42matters’ solutions to find SDKs for my app?'

Definitely. The SDK Explorer enables you to sort SDKs by category, identify similar SDKs, analyze SDK reliability, and more. In addition, you can use the Explorer to monitor your competitors, including which SDKs they add and remove, their current tech stacks, and SDK changelogs. This means you use our solutions not only to find the right SDK for a particular purpose, but also which SDKs you might need to keep up with your rivals.