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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 Apps2,9452,642
Monthly Installs-5609871716.3M
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 30 with iOS SDKs.

Mixed
🇺🇸
Google Google (google.com)

-90085829

35.2M
Open Source
Kotlin Kotlin (kotlinlang.org)

-34198294

Open Source
nanopb nanopb (github.com-nanopb)

13.6M
Mixed
Square Square (square.com)

-115729129

Open Source
JetBrains JetBrains (jetbrains.com)

-27184426

Open Source
Bumptech Bumptech (github.com-bumptech)

-41482121

2.4K
Open Source
Airbnb Engineering Airbnb Engineering (airbnb.io)

-31740998

9.8M
Open Source
Flutter Flutter (flutter.dev)

13.6M

1.6M
Open Source
Default Company Logo JetBrains IntelliJ (intellij.org)

17.5M

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

17.1M

Open Source
SDWebImage SDWebImage (github.com-SDWebImage)

4.2M
Open Source
Alamofire Alamofire (github.com-AlamoFire)

4.1M
Open Source
OpenID OpenID (github.com-openid)

9.4M
Open Source
ReactiveX ReactiveX (reactivex.io)

-7699710

793.5K
Mixed
🇺🇸
Facebook Facebook (facebook.com)

2.7M

1.2M
Open Source
🇺🇸
Sentry.io Sentry.io (sentry.io)

7.7M

5.6M
Tracking
🇺🇸
Unity Unity (unity.com)

-14832284

105.7K
Open Source
Reachability Reachability (github.com-tonymillion)

2M
Open Source
Greenrobot Greenrobot (greenrobot.org)

-20157402

Open Source
🇺🇸
MongoDB MongoDB (mongodb.com)

2.6M

1.3M
Open Source
Expo Expo (expo.dev)

1M

917K
Open Source
Jake Wharton Jake Wharton (github.com-JakeWharton)

10.5M

Open Source
React Native React Native (reactnative.dev)

2.7M

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

-6364837

1.3M
Open Source
Divkit Divkit (divkit.tech)

617.5K

9.6K
Tracking
🇺🇸
Microsoft Microsoft (microsoft.com)

3.9M

39.7K
Open Source
BouncyCastle BouncyCastle (bouncycastle.org)

3.7M

Open Source
OpenTelemetry OpenTelemetry (opentelemetry.io)

1.7M

56.3K
Open Source
🇺🇸
PostHog PostHog (posthog.com)

103.8K

186.9K
Open Source
Apollo Apollo (apollographql.com)

2.4M

1.6M
Open Source
Starscream Starscream (github.com-daltoniam)

174.3K
Tracking
🇺🇸
Datadog Datadog (datadoghq.com)

2.3M

258.2K
Tracking
Rive Rive (rive.app)

105K

179.8K
Open Source
Mono Project Mono Project (mono-project.com)

189.8K

718
Mixed
🇷🇺
Yandex Yandex (yandex.com)

4.6K
Open Source
Swinject Swinject (github.com-Swinject)

8.8K
Tracking
🇺🇸
New Relic New Relic (newrelic.com)

87.9K

412.1K
Open Source
Socket.IO Socket.IO (socket.io)

176.5K

Open Source
Eclipse Eclipse (eclipse.org)

2.9M

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

42.3K

200
Tracking
Cocos Cocos (cocos.com)

105K

Open Source
KMP Coroutines KMP Coroutines (github.com/rickclephas)

12.8K
Open Source
🇺🇸
Amazon Web Services AWS Amazon Web Services AWS (amazonaws.com)

1.2M

Tracking
🇺🇸
Statsig Statsig (statsig.com)

583K

Open Source
Vanniktech Vanniktech (github.com-vanniktech)

549.9K

Open Source
ONNX Runtime ONNX Runtime (onnxruntime.ai)

13.3K

Tracking
Cloudflare Cloudflare (cloudflare.com)

Open Source
🇺🇸
jQuery jQuery (jquery.com)

Open Source
🇺🇸
jsDelivr jsDelivr (jsdelivr.net)

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About AppGoblin SDK data

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.