Top 20 User Authentication SDKs Used in iOS Apps on the Apple App Store
We at 42matters have identified the 20 most popular User Authentication SDKs leveraged by iOS apps available on the iOS 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 Apple App 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.
The 20 most widely-integrated user authentication SDKs:
AppAuth by OpenID
Check “AppAuth by OpenID” SDK InsightsAmong all apps utilizing user authentication SDKs, 47.12% have integrated AppAuth by OpenID. This accounts for 50.43% 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.
Use the 42matters SDK Explorer to find all apps that use AppAuth by OpenID.
Firebase Authentication
Check “Firebase Authentication” SDK InsightsAmong all apps utilizing user authentication SDKs, 41.73% have integrated Firebase Authentication. This accounts for 21.23% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use Firebase Authentication.
Apple Accounts
Check “Apple Accounts” SDK InsightsAmong all apps utilizing user authentication SDKs, 37.71% have integrated Apple Accounts. This accounts for 33.60% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use Apple Accounts.
Google reCAPTCHA
Check “Google reCAPTCHA” SDK InsightsAmong all apps utilizing user authentication SDKs, 14.55% have integrated Google reCAPTCHA. This accounts for 13.97% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use Google reCAPTCHA.
Amazon AWS Cognito Federated Identities
Check “Amazon AWS Cognito Federated Identities” SDK InsightsAmong all apps utilizing user authentication SDKs, 3.11% have integrated Amazon AWS Cognito Federated Identities. This accounts for 4.26% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use Amazon AWS Cognito Federated Identities.
Microsoft Authentication Library
Check “Microsoft Authentication Library” SDK InsightsAmong all apps utilizing user authentication SDKs, 1.22% have integrated Microsoft Authentication Library. This accounts for 2.40% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use Microsoft Authentication Library.
Mitek MiSnap
Check “Mitek MiSnap” SDK InsightsAmong all apps utilizing user authentication SDKs, 1.21% have integrated Mitek MiSnap. This accounts for 2.08% 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.
Use the 42matters SDK Explorer to find all apps that use Mitek MiSnap.
OAuthSwift
Check “OAuthSwift” SDK InsightsAmong all apps utilizing user authentication SDKs, 1.08% have integrated OAuthSwift. This accounts for <1% of app downloads within the user authentication SDK category.
OAuthSwift is a Swift-based OAuth library SDK for iOS and macOS.
Use the 42matters SDK Explorer to find all apps that use OAuthSwift.
Among all apps utilizing user authentication SDKs, <1% have integrated FCUUID. This accounts for 1.03% of app downloads within the user authentication SDK category.
FCUUID is an iOS UUID library SDK and an alternative to UDID and identifierForVendor. This library provides the simplest API to obtain universally unique identifiers with different levels of persistence.
Use the 42matters SDK Explorer to find all apps that use FCUUID.
Among all apps utilizing user authentication SDKs, <1% have integrated Auth0. This accounts for <1% 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.
Use the 42matters SDK Explorer to find all apps that use Auth0.
FraudForce by iovation
Check “FraudForce by iovation” SDK InsightsAmong all apps utilizing user authentication SDKs, <1% have integrated FraudForce by iovation. This accounts for 2.33% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use FraudForce by iovation.
OTPless
Check “OTPless” SDK InsightsAmong all apps utilizing user authentication SDKs, <1% have integrated OTPless. This accounts for <1% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use OTPless.
Kount by Equifax
Check “Kount by Equifax” SDK InsightsAmong 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.
Use the 42matters SDK Explorer to find all apps that use Kount by Equifax.
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.
Use the 42matters SDK Explorer to find all apps that use Sinch.
Among all apps utilizing user authentication SDKs, <1% have integrated SumSub. This accounts for <1% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use SumSub.
Facetec
Check “Facetec” SDK InsightsAmong all apps utilizing user authentication SDKs, <1% have integrated Facetec. This accounts for 2.63% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use Facetec.
FingerprintJS
Check “FingerprintJS” SDK InsightsAmong all apps utilizing user authentication SDKs, <1% have integrated FingerprintJS. This accounts for 1.40% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use FingerprintJS.
Onfido Capture
Check “Onfido Capture” SDK InsightsAmong all apps utilizing user authentication SDKs, <1% have integrated Onfido Capture. This accounts for 1.25% 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.
Use the 42matters SDK Explorer to find all apps that use Onfido Capture.
Among all apps utilizing user authentication SDKs, <1% have integrated iProov. This accounts for <1% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use iProov.
Truecaller
Check “Truecaller” SDK InsightsAmong all apps utilizing user authentication SDKs, <1% have integrated Truecaller. This accounts for <1% of app downloads within the user authentication SDK category.
Use the 42matters SDK Explorer to find all apps that use Truecaller.
Browse iOS and Android SDKs With the SDK Explorer
SDK IntelligenceSee how many apps integrate specific SDKs, how many times these SDKs have been downloaded, developer details, similar SDKs, and more.
New Installations and Removals HistoryAnalyze 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 CategorySee which app categories or genres are most likely to use specific SDKs. Detect SDK market share per category.
