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Development Tools for Books & Reference Apps

Totals
Books & Reference Apps with SDKs

Verified SDK counts are based on apps decompiled by AppGoblin.

AndroidiOS
Books & Reference Apps2,4611,426
Monthly Installs118M1.4B
Top Companies (Android SDKs)
Top Companies (iOS SDKs)

Development Tools include SDKs, libraries, and platforms that assist developers in building, testing, and deploying mobile applications. Shown here for apps in the Books & Reference category.

AppGoblin has mapped and verified 37 companies with Android SDKs and 29 with iOS SDKs.

Mixed
🇺🇸
Google Google (google.com)

117.1M

1.6B
Open Source
Kotlin Kotlin (kotlinlang.org)

79.7M

Open Source
nanopb nanopb (github.com-nanopb)

519.3M
Mixed
Square Square (square.com)

86.9M

Open Source
JetBrains JetBrains (jetbrains.com)

40.6M

Open Source
Bumptech Bumptech (github.com-bumptech)

49.8M

-29050
Open Source
Airbnb Engineering Airbnb Engineering (airbnb.io)

47.7M

501.4M
Open Source
Default Company Logo JetBrains IntelliJ (intellij.org)

19.3M

Open Source
Flutter Flutter (flutter.dev)

14.4M

3.3M
Open Source
Default Company Logo Checker Framework (checkerframework.org)

19.2M

Open Source
SDWebImage SDWebImage (github.com-SDWebImage)

96.1M
Open Source
Alamofire Alamofire (github.com-AlamoFire)

106M
Open Source
OpenID OpenID (github.com-openid)

429.6M
Open Source
ReactiveX ReactiveX (reactivex.io)

22.9M

239.2M
Open Source
🇺🇸
Sentry.io Sentry.io (sentry.io)

10.4M

156.6M
Mixed
🇺🇸
Facebook Facebook (facebook.com)

3.4M

15.2M
Tracking
🇺🇸
Snap Snap (snapchat.com)

3.8M

33.6M
Open Source
Reachability Reachability (github.com-tonymillion)

79.5M
Open Source
Greenrobot Greenrobot (greenrobot.org)

27.2M

Tracking
🇺🇸
Unity Unity (unity.com)

14.1M

6.9M
Open Source
🇺🇸
MongoDB MongoDB (mongodb.com)

2.4M

141.2M
Open Source
Jake Wharton Jake Wharton (github.com-JakeWharton)

7.4M

Open Source
Expo Expo (expo.dev)

2.2M

11.9M
Open Source
React Native React Native (reactnative.dev)

3.4M

Mixed
🇺🇸
Amazon Advertisement Amazon Advertisement (amazon.com)

4.7M

15.3M
Open Source
Divkit Divkit (divkit.tech)

1.1M

-340500
Tracking
🇺🇸
Microsoft Microsoft (microsoft.com)

4.8M

-9750
Open Source
BouncyCastle BouncyCastle (bouncycastle.org)

2.9M

Open Source
Apollo Apollo (apollographql.com)

2.7M

120.5M
Open Source
🇺🇸
PostHog PostHog (posthog.com)

94.4K

79.4K
Tracking
Rive Rive (rive.app)

68.6K

1.5M
Open Source
Starscream Starscream (github.com-daltoniam)

118.9M
Tracking
🇺🇸
Datadog Datadog (datadoghq.com)

2.2M

65.4M
Open Source
Mono Project Mono Project (mono-project.com)

86.1K

0
Open Source
Swinject Swinject (github.com-Swinject)

-115950
Mixed
🇷🇺
Yandex Yandex (yandex.com)

-141000
Tracking
🇺🇸
New Relic New Relic (newrelic.com)

159.2K

5.4M
Tracking
🇺🇸
Epic Games Epic Games (epicgames.com)

48.9K

-550
Open Source
Eclipse Eclipse (eclipse.org)

2.9M

Open Source
🇺🇸
Socket.IO Socket.IO (socket.io)

367.9K

Tracking
Cocos Cocos (cocos.com)

99.8K

Open Source
🇺🇸
Amazon Web Services AWS Amazon Web Services AWS (amazonaws.com)

958.6K

Open Source
Vanniktech Vanniktech (github.com-vanniktech)

136K

Tracking
🇺🇸
Statsig Statsig (statsig.com)

139.8K

Open Source
Default Company Logo ONNX Runtime (onnxruntime.ai)

10.1K

Tracking
Cloudflare Cloudflare (cloudflare.com)

Open Source
🇺🇸
jQuery jQuery (jquery.com)

Open Source
🇺🇸
jsDelivr jsDelivr (jsdelivr.net)

1 of 1
SDK

SDK data is derived by downloading the app's Android APK or iOS IPA file and unzipped. We then check the app's data for SDK signatures in paths, AndroidManifest.xml and the Info.plist. Many apps are unable to be zipped. Downloading and opening the APK or IPA takes time and resources thus the smaller totals.

Android Companies: 37

iOS Companies: 29