English for Beginners: LinDuo
4.5M installs
114.8K ratings
46.4K monthly active users
$<10K monthly revenue est.
IAP 38% · Ad 62%
Install Trends
Weekly +2.2K
SteadyMonthly +8.6K
SteadySDKs, Trackers & Permissions for English for Beginners: LinDuo
SDK Scan Status
Last Successful SDK Scan: 2026-04-04
Lastest Attempt: 2026-04-04
Last Attempt Status: Success
| Scanned At | Version | Scan Result |
|---|---|---|
| April 4, 2026 at 01:56:52 | 200147 | Success |
| March 4, 2026 at 08:51:10 | 200144 | Success |
| January 25, 2026 at 12:12:05 | 200144 | Success |
| December 20, 2025 at 00:44:39 | 200144 | Success |
| November 19, 2025 at 00:28:06 | 200144 | Success |
The download and scan process is automated but can require manual troubleshooting. Feel free to reach out if your request does not complete in 24hrs or if you have any questions.
Ad Networks
- application/activity:com.google.android.gms.ads.AdActivity
- application/activity:com.google.android.gms.ads.NotificationHandlerActivity
- application/activity:com.google.android.gms.ads.OutOfContextTestingActivity
- application/meta-data:com.google.android.gms.ads.APPLICATION_ID
- application/meta-data:com.google.unity.ads.UNITY_VERSION
- application/provider:com.google.android.gms.ads.MobileAdsInitProvider
- application/service:com.google.android.gms.ads.AdService
- smali:com.google.ads
- smali:com.google.ads.mediation
- smali:com.google.ads.mediation.admob
- smali:com.google.android.ads
- smali:com.google.android.ads.consent
- smali:com.google.android.ads.nativetemplates
- smali:com.google.android.gms.ads
- smali:com.google.android.gms.ads.admanager
- smali:com.google.android.gms.ads.appopen
- smali:com.google.android.gms.ads.formats
- smali:com.google.android.gms.ads.h5
- smali:com.google.android.gms.ads.identifier
- smali:com.google.android.gms.ads.impl
- smali:com.google.android.gms.ads.initialization
- smali:com.google.android.gms.ads.internal
- smali:com.google.android.gms.ads.internal.client
- smali:com.google.android.gms.ads.internal.offline
- smali:com.google.android.gms.ads.internal.offline.buffering
- smali:com.google.android.gms.ads.internal.overlay
- smali:com.google.android.gms.ads.internal.util
- smali:com.google.android.gms.ads.internal.util.client
- smali:com.google.android.gms.ads.interstitial
- smali:com.google.android.gms.ads.mediation
- smali:com.google.android.gms.ads.mediation.customevent
- smali:com.google.android.gms.ads.mediation.rtb
- smali:com.google.android.gms.ads.nativead
- smali:com.google.android.gms.ads.nonagon
- smali:com.google.android.gms.ads.nonagon.signalgeneration
- smali:com.google.android.gms.ads.nonagon.util
- smali:com.google.android.gms.ads.nonagon.util.logging
- smali:com.google.android.gms.ads.nonagon.util.logging.csi
- smali:com.google.android.gms.ads.preload
- smali:com.google.android.gms.ads.query
- smali:com.google.android.gms.ads.rewarded
- smali:com.google.android.gms.ads.rewardedinterstitial
- smali:com.google.android.gms.ads.search
- smali:com.google.android.gms.ads_base
- smali:com.google.android.gms.ads_identifier
- smali:com.google.unity.ads
- smali:com.google.unity.ads.admanager
- smali:com.google.unity.ads.nativead
Development Tools
- smali:org.checkerframework
- smali:org.checkerframework.checker
- smali:org.checkerframework.checker.builder
- smali:org.checkerframework.checker.builder.qual
- smali:org.checkerframework.checker.calledmethods
- smali:org.checkerframework.checker.calledmethods.qual
- smali:org.checkerframework.checker.compilermsgs
- smali:org.checkerframework.checker.compilermsgs.qual
- smali:org.checkerframework.checker.fenum
- smali:org.checkerframework.checker.fenum.qual
- smali:org.checkerframework.checker.formatter
- smali:org.checkerframework.checker.formatter.qual
- smali:org.checkerframework.checker.guieffect
- smali:org.checkerframework.checker.guieffect.qual
- smali:org.checkerframework.checker.i18n
- smali:org.checkerframework.checker.i18n.qual
- smali:org.checkerframework.checker.i18nformatter
- smali:org.checkerframework.checker.i18nformatter.qual
- smali:org.checkerframework.checker.index
- smali:org.checkerframework.checker.index.qual
- smali:org.checkerframework.checker.initialization
- smali:org.checkerframework.checker.initialization.qual
- smali:org.checkerframework.checker.interning
- smali:org.checkerframework.checker.interning.qual
- smali:org.checkerframework.checker.lock
- smali:org.checkerframework.checker.lock.qual
- smali:org.checkerframework.checker.nullness
- smali:org.checkerframework.checker.nullness.qual
- smali:org.checkerframework.checker.optional
- smali:org.checkerframework.checker.optional.qual
- smali:org.checkerframework.checker.propkey
- smali:org.checkerframework.checker.propkey.qual
- smali:org.checkerframework.checker.regex
- smali:org.checkerframework.checker.regex.qual
- smali:org.checkerframework.checker.signature
- smali:org.checkerframework.checker.signature.qual
- smali:org.checkerframework.checker.signedness
- smali:org.checkerframework.checker.signedness.qual
- smali:org.checkerframework.checker.tainting
- smali:org.checkerframework.checker.tainting.qual
- smali:org.checkerframework.checker.units
- smali:org.checkerframework.checker.units.qual
- smali:org.checkerframework.common
- smali:org.checkerframework.common.aliasing
- smali:org.checkerframework.common.aliasing.qual
- smali:org.checkerframework.common.initializedfields
- smali:org.checkerframework.common.initializedfields.qual
- smali:org.checkerframework.common.reflection
- smali:org.checkerframework.common.reflection.qual
- smali:org.checkerframework.common.returnsreceiver
- smali:org.checkerframework.common.returnsreceiver.qual
- smali:org.checkerframework.common.subtyping
- smali:org.checkerframework.common.subtyping.qual
- smali:org.checkerframework.common.util
- smali:org.checkerframework.common.util.report
- smali:org.checkerframework.common.util.report.qual
- smali:org.checkerframework.common.value
- smali:org.checkerframework.common.value.qual
- smali:org.checkerframework.dataflow
- smali:org.checkerframework.dataflow.qual
- smali:org.checkerframework.framework
- smali:org.checkerframework.framework.qual
- application/meta-data:com.google.android.gms.version
- application/receiver:com.google.android.gms.measurement.AppMeasurementReceiver
- application/service:com.google.android.gms.measurement.AppMeasurementJobService
- application/service:com.google.android.gms.measurement.AppMeasurementService
- smali:com.google.android.gms.measurement
- smali:com.google.android.gms.measurement.api
- smali:com.google.android.gms.measurement.internal
- smali:com.google.android.gms.measurement.sdk
- smali:com.google.android.gms.measurement.sdk.api
- smali:com.google.android.gms.measurement_base
- smali:org.intellij
- smali:org.intellij.lang
- smali:org.intellij.lang.annotations
- smali:kotlin.collections
- smali:kotlin.collections.builders
- smali:kotlin.collections.jdk8
- smali:kotlin.collections.unsigned
- smali:kotlin.io
- smali:kotlin.io.encoding
- smali:kotlin.io.path
- smali:kotlin.jvm
- smali:kotlin.jvm.functions
- smali:kotlin.jvm.internal
- smali:kotlin.jvm.internal.markers
- smali:kotlin.jvm.internal.unsafe
- smali:kotlin.jvm.jdk8
- smali:kotlin.jvm.optionals
- smali:kotlin.properties
- smali:kotlin.reflect
- smali:kotlin.text
- smali:kotlin.text.jdk8
- smali:kotlinx
- smali:kotlinx.android
- smali:kotlinx.android.extensions
- smali:kotlinx.android.parcel
- smali:kotlinx.coroutines
- smali:kotlinx.coroutines.channels
- smali:kotlinx.coroutines.debug
- smali:kotlinx.coroutines.debug.internal
- smali:kotlinx.coroutines.flow
- smali:kotlinx.coroutines.flow.internal
- smali:kotlinx.coroutines.future
- smali:kotlinx.coroutines.internal
- smali:kotlinx.coroutines.intrinsics
- smali:kotlinx.coroutines.scheduling
- smali:kotlinx.coroutines.selects
- smali:kotlinx.coroutines.stream
- smali:kotlinx.coroutines.sync
- smali:kotlinx.coroutines.tasks
- smali:kotlinx.coroutines.time
- smali:kotlinx.parcelize
- application/meta-data:com.unity.androidnotifications.exact_scheduling
- application/receiver:com.unity.androidnotifications.UnityNotificationManager
- application/receiver:com.unity.androidnotifications.UnityNotificationRestartReceiver
- smali:com.unity.androidnotifications
- application/activity:com.unity3d.player.UnityPlayerActivity
- smali:com.unity3d.player
- smali:com.unity3d.player.a
- application/meta-data:unity.auto-report-fully-drawn
- application/meta-data:unity.launch-fullscreen
- application/meta-data:unity.splash-enable
- application/meta-data:unity.splash-mode
- application/activity/meta-data:unityplayer.UnityActivity
Analytics: Product
- application/provider:com.google.firebase.provider.FirebaseInitProvider
- application/service:com.google.firebase.components.ComponentDiscoveryService
- application/service:com.google.firebase.sessions.SessionLifecycleService
- application/service/meta-data:com.google.firebase.components:com.google.firebase.FirebaseCommonKtxRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.abt.component.AbtRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.analytics.connector.internal.AnalyticsConnectorRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.crashlytics.CrashlyticsRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.crashlytics.FirebaseCrashlyticsKtxRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.crashlytics.ndk.CrashlyticsNdkRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.datatransport.TransportRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.installations.FirebaseInstallationsKtxRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.installations.FirebaseInstallationsRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.ktx.FirebaseCommonLegacyRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.remoteconfig.FirebaseRemoteConfigKtxRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.remoteconfig.RemoteConfigRegistrar
- application/service/meta-data:com.google.firebase.components:com.google.firebase.sessions.FirebaseSessionsRegistrar
- smali:com.google.firebase
- smali:com.google.firebase.abt
- smali:com.google.firebase.abt.component
- smali:com.google.firebase.analytics
- smali:com.google.firebase.analytics.connector
- smali:com.google.firebase.analytics.connector.internal
- smali:com.google.firebase.analytics.ktx
- smali:com.google.firebase.analytics.ktx.ktxtesting
- smali:com.google.firebase.analytics.ktxtesting
- smali:com.google.firebase.annotations
- smali:com.google.firebase.annotations.concurrent
- smali:com.google.firebase.app
- smali:com.google.firebase.app.unity
- smali:com.google.firebase.components
- smali:com.google.firebase.concurrent
- smali:com.google.firebase.crashlytics
- smali:com.google.firebase.crashlytics.internal
- smali:com.google.firebase.crashlytics.internal.analytics
- smali:com.google.firebase.crashlytics.internal.breadcrumbs
- smali:com.google.firebase.crashlytics.internal.common
- smali:com.google.firebase.crashlytics.internal.concurrency
- smali:com.google.firebase.crashlytics.internal.metadata
- smali:com.google.firebase.crashlytics.internal.model
- smali:com.google.firebase.crashlytics.internal.model.serialization
- smali:com.google.firebase.crashlytics.internal.network
- smali:com.google.firebase.crashlytics.internal.persistence
- smali:com.google.firebase.crashlytics.internal.send
- smali:com.google.firebase.crashlytics.internal.settings
- smali:com.google.firebase.crashlytics.internal.stacktrace
- smali:com.google.firebase.crashlytics.ktx
- smali:com.google.firebase.crashlytics.ndk
- smali:com.google.firebase.crashlytics.unity
- smali:com.google.firebase.datatransport
- smali:com.google.firebase.dynamicloading
- smali:com.google.firebase.emulators
- smali:com.google.firebase.encoders
- smali:com.google.firebase.encoders.annotations
- smali:com.google.firebase.encoders.config
- smali:com.google.firebase.encoders.json
- smali:com.google.firebase.encoders.proto
- smali:com.google.firebase.events
- smali:com.google.firebase.firebase_analytics
- smali:com.google.firebase.heartbeatinfo
- smali:com.google.firebase.inject
- smali:com.google.firebase.installations
- smali:com.google.firebase.installations.internal
- smali:com.google.firebase.installations.interop
- smali:com.google.firebase.installations.ktx
- smali:com.google.firebase.installations.local
- smali:com.google.firebase.installations.remote
- smali:com.google.firebase.installations.time
- smali:com.google.firebase.internal
- smali:com.google.firebase.ktx
- smali:com.google.firebase.logger
- smali:com.google.firebase.measurement
- smali:com.google.firebase.measurement_impl
- smali:com.google.firebase.platforminfo
- smali:com.google.firebase.provider
- smali:com.google.firebase.remoteconfig
- smali:com.google.firebase.remoteconfig.internal
- smali:com.google.firebase.remoteconfig.internal.rollouts
- smali:com.google.firebase.remoteconfig.interop
- smali:com.google.firebase.remoteconfig.interop.rollouts
- smali:com.google.firebase.remoteconfig.ktx
- smali:com.google.firebase.remoteconfiginterop
- smali:com.google.firebase.sessions
- smali:com.google.firebase.sessions.api
- smali:com.google.firebase.sessions.dagger
- smali:com.google.firebase.sessions.dagger.internal
- smali:com.google.firebase.sessions.settings
- smali:com.google.firebase.tracing
- smali:com.google.firebase.unity
- smali:com.google.firebase.unity.analytics
- smali:com.google.firebase.unity.app
- smali:com.google.firebase.unity.crashlytics
- smali:com.google.firebase.unity.installations
- smali:com.google.firebase.unity.remote_config
- smali:com.google.firebase.util
Mediation
Unknown SDKs and Services
If you recognize any of these please reach out to have it added.
- smali:_COROUTINE
- application/service/meta-data:backend:com.google.android.datatransport.cct.CctBackendFactory
- smali:bitter
- smali:bitter.jnibridge
- application/activity:com.google.android.gms.common.api.GoogleApiActivity
- application/meta-data:com.google.android.play.billingclient.version
- application/receiver:com.google.android.datatransport.runtime.scheduling.jobscheduling.AlarmManagerSchedulerBroadcastReceiver
- application/service:com.google.android.datatransport.runtime.backends.TransportBackendDiscovery
- application/service:com.google.android.datatransport.runtime.scheduling.jobscheduling.JobInfoSchedulerService
- queries/intent/action:com.google.android.apps.play.billingtestcompanion.BillingOverrideService.BIND
- smali:com.google.android
- smali:com.google.android.gms
- smali:com.google.android.ump
- smali:com.google.common
- smali:com.google.common.base
- smali:com.google.common.cache
- smali:com.google.common.escape
- smali:com.google.common.graph
- smali:com.google.common.hash
- smali:com.google.common.html
- smali:com.google.common.io
- smali:com.google.common.math
- smali:com.google.common.net
- smali:com.google.common.util
- smali:com.google.common.xml
- smali:com.google.errorprone
- smali:com.google.j2objc
- smali:com.google.thirdparty
- smali:com.google.unity
- smali:com.google.unity.ump
- smali:javax
- smali:javax.inject
- smali:okio.internal
- application/uses-library:org.apache.http.legacy
- smali:org.fmod
- application/meta-data:unity.render-outside-safearea
Permissions
ACCESS_ADSERVICES_AD_ID
ACCESS_ADSERVICES_ATTRIBUTION
ACCESS_ADSERVICES_TOPICS
ACCESS_NETWORK_STATE
FOREGROUND_SERVICE
INTERNET
POST_NOTIFICATIONS
WAKE_LOCK
com.android.vending.BILLING
com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
com.google.android.gms.permission.AD_ID
com.lin.duo.hd.english.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION