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Top 20 User Authentication SDKs Used in Android Apps on Google Play
Last update: 8 Dec 2024 CET
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Top 20 User Authentication SDKs Used in Android Apps on Google Play

We at 42matters have identified the 20 most popular User Authentication SDKs leveraged by Android apps available on the Android app market.

User Authentication SDKs enable developers to add user authentication capabilities, such as login, registration, and access control, to their mobile apps. They commonly offer user management, identity verification, password reset, and other related capabilities.

This list is based on our analysis of the millions of mobile applications – and the 2,300+ SDKs they use – that constitute the vast inventory of the Google Play Store. The accompanying data provides readers with a glimpse into the rich mobile application insights generated by the 42matters technology. This data is also available via our APIs, file dumps, Explorer, and SDK Explorer.

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

Among all apps utilizing user authentication SDKs, 76.08% have integrated Firebase Authentication. This accounts for 56.48% of app downloads within the user authentication SDK category.

Total Apps
357.16k
Google Play
App Share
76.08%
Google Play
Apps
337.26k
Games
19.91k
Total Downloads
218.99b
Google Play
Download Share
56.48%
Google Play
App Downloads
154.96b
Game Downloads
64.04b

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

Among all apps utilizing user authentication SDKs, 33.99% have integrated Google reCAPTCHA. This accounts for 24.46% of app downloads within the user authentication SDK category.

Total Apps
159.57k
Google Play
App Share
33.99%
Google Play
Apps
149.31k
Games
10.27k
Total Downloads
94.83b
Google Play
Download Share
24.46%
Google Play
App Downloads
61.97b
Game Downloads
32.87b

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

Among all apps utilizing user authentication SDKs, 9.14% have integrated Truecaller. This accounts for 3.59% of app downloads within the user authentication SDK category.

Total Apps
42.89k
Google Play
App Share
9.14%
Google Play
Apps
42.84k
Games
44
Total Downloads
13.94b
Google Play
Download Share
3.59%
Google Play
App Downloads
13.60b
Game Downloads
332.43m

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

Among all apps utilizing user authentication SDKs, 8.74% have integrated OTPless. This accounts for <1% of app downloads within the user authentication SDK category.

Total Apps
41.01k
Google Play
App Share
8.74%
Google Play
Apps
40.98k
Games
27
Total Downloads
830.09m
Google Play
Download Share
<1%
Google Play
App Downloads
798.38m
Game Downloads
31.71m

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

Among all apps utilizing user authentication SDKs, 7.43% have integrated Amazon AWS Cognito Federated Identities. This accounts for 8.50% of app downloads within the user authentication SDK category.

Total Apps
34.89k
Google Play
App Share
7.43%
Google Play
Apps
34.37k
Games
515
Total Downloads
32.94b
Google Play
Download Share
8.50%
Google Play
App Downloads
24.30b
Game Downloads
8.65b

Use the 42matters SDK Explorer to find all apps that use Amazon AWS Cognito Federated Identities.

Among all apps utilizing user authentication SDKs, 6.41% have integrated AppAuth by OpenID. This accounts for 16.62% of app downloads within the user authentication SDK category.

AppAuth for Android is a client SDK for communicating with OAuth 2.0 and OpenID Connect providers. It strives to directly map the requests and responses of those specifications, while following the idiomatic style of the implementation language.

Total Apps
30.07k
Google Play
App Share
6.41%
Google Play
Apps
29.70k
Games
369
Total Downloads
64.43b
Google Play
Download Share
16.62%
Google Play
App Downloads
63.35b
Game Downloads
1.08b

Use the 42matters SDK Explorer to find all apps that use AppAuth by OpenID.

Among all apps utilizing user authentication SDKs, 3.40% have integrated Auth0. This accounts for 5.51% of app downloads within the user authentication SDK category.

Auth0 is an easy to implement, adaptable authentication and authorization platform. They make your login box awesome.

Total Apps
15.98k
Google Play
App Share
3.40%
Google Play
Apps
15.73k
Games
247
Total Downloads
21.37b
Google Play
Download Share
5.51%
Google Play
App Downloads
16.74b
Game Downloads
4.63b

Use the 42matters SDK Explorer to find all apps that use Auth0.

Among all apps utilizing user authentication SDKs, 1.26% have integrated Microsoft Authentication Library. This accounts for 7.34% of app downloads within the user authentication SDK category.

Total Apps
5.90k
Google Play
App Share
1.26%
Google Play
Apps
5.89k
Games
10
Total Downloads
28.46b
Google Play
Download Share
7.34%
Google Play
App Downloads
28.46b
Game Downloads
3.93m

Use the 42matters SDK Explorer to find all apps that use Microsoft Authentication Library.

Among all apps utilizing user authentication SDKs, <1% have integrated Mitek MiSnap. This accounts for <1% of app downloads within the user authentication SDK category.

Mitek MiSnap is a patented mobile capture SDK that enables an intuitive user experience and instant capture of quality images.

Total Apps
4.69k
Google Play
App Share
<1%
Google Play
Apps
4.69k
Games
0
Total Downloads
1.56b
Google Play
Download Share
<1%
Google Play
App Downloads
1.56b
Game Downloads
257.99k

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

Among all apps utilizing user authentication SDKs, <1% have integrated Signpost. This accounts for 3.71% of app downloads within the user authentication SDK category.

Signpost is the easy and intuitive solution for signing HTTP messages on the Java platform in conformance with the OAuth Core 1.0a standard. The Signpost SDK follows a modular and flexible design, allowing you to combine it with different HTTP messaging layers.

Total Apps
2.47k
Google Play
App Share
<1%
Google Play
Apps
2.31k
Games
156
Total Downloads
14.39b
Google Play
Download Share
3.71%
Google Play
App Downloads
13.63b
Game Downloads
761.15m

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

Among all apps utilizing user authentication SDKs, <1% have integrated FraudForce by iovation. This accounts for <1% of app downloads within the user authentication SDK category.

Total Apps
2.02k
Google Play
App Share
<1%
Google Play
Apps
2.01k
Games
3
Total Downloads
2.63b
Google Play
Download Share
<1%
Google Play
App Downloads
2.63b
Game Downloads
1.31m

Use the 42matters SDK Explorer to find all apps that use FraudForce by iovation.

Among all apps utilizing user authentication SDKs, <1% have integrated Facetec. This accounts for 1.28% of app downloads within the user authentication SDK category.

Total Apps
1.09k
Google Play
App Share
<1%
Google Play
Apps
1.04k
Games
50
Total Downloads
4.95b
Google Play
Download Share
1.28%
Google Play
App Downloads
4.85b
Game Downloads
104.09m

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

Among all apps utilizing user authentication SDKs, <1% have integrated Sinch. This accounts for <1% of app downloads within the user authentication 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
866
Google Play
App Share
<1%
Google Play
Apps
865
Games
1
Total Downloads
762.63m
Google Play
Download Share
<1%
Google Play
App Downloads
761.86m
Game Downloads
769.12k

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

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

Total Apps
844
Google Play
App Share
<1%
Google Play
Apps
843
Games
1
Total Downloads
915.92m
Google Play
Download Share
<1%
Google Play
App Downloads
915.69m
Game Downloads
230.72k

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

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

Total Apps
818
Google Play
App Share
<1%
Google Play
Apps
807
Games
11
Total Downloads
1.40b
Google Play
Download Share
<1%
Google Play
App Downloads
1.37b
Game Downloads
32.63m

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

Among all apps utilizing user authentication SDKs, <1% have integrated Regula Document Reader. This accounts for <1% of app downloads within the user authentication SDK category.

Regula is an OCR SDK for document data capture and text recognition. It enables id card scanning and passports and driving licenses on the go.

Total Apps
752
Google Play
App Share
<1%
Google Play
Apps
752
Games
0
Total Downloads
403.39m
Google Play
Download Share
<1%
Google Play
App Downloads
403.38m
Game Downloads
13.52k

Use the 42matters SDK Explorer to find all apps that use Regula Document Reader.

Among all apps utilizing user authentication SDKs, <1% have integrated Onfido Capture. This accounts for <1% of app downloads within the user authentication SDK category.

The Onfido Capture SDK is an AI-based technology that assesses whether a user’s government-issued ID is genuine or fraudulent. It then compares it against their facial biometrics.

Total Apps
672
Google Play
App Share
<1%
Google Play
Apps
662
Games
10
Total Downloads
1.30b
Google Play
Download Share
<1%
Google Play
App Downloads
1.30b
Game Downloads
1.92m

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

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

Total Apps
627
Google Play
App Share
<1%
Google Play
Apps
627
Games
0
Total Downloads
161.40m
Google Play
Download Share
<1%
Google Play
App Downloads
161.23m
Game Downloads
169.51k

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

Among all apps utilizing user authentication SDKs, <1% have integrated Kount by Equifax. This accounts for <1% of app downloads within the user authentication SDK category.

Total Apps
593
Google Play
App Share
<1%
Google Play
Apps
591
Games
2
Total Downloads
1.69b
Google Play
Download Share
<1%
Google Play
App Downloads
1.69b
Game Downloads
217.25k

Use the 42matters SDK Explorer to find all apps that use Kount by Equifax.

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

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    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.