diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 33526b5a2..6b6dd1988 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -234,6 +234,7 @@ dependencies {
     googleplayImplementation("com.google.firebase:firebase-analytics:${Versions.analytics}") {
         exclude("com.google.android.gms", "play-services-ads-identifier")
     }
+    googleplayImplementation("com.google.firebase:firebase-config-ktx:${Versions.remote_config}")
     googleplayImplementation("com.google.android.gms:play-services-location:19.0.1")
     googleplayImplementation("com.google.android.gms:play-services-maps:18.0.2")
     googleplayImplementation("com.android.billingclient:billing-ktx:3.0.3")
diff --git a/app/src/generic/java/org/tasks/analytics/Firebase.kt b/app/src/generic/java/org/tasks/analytics/Firebase.kt
index ca80e4a92..5f550bdc2 100644
--- a/app/src/generic/java/org/tasks/analytics/Firebase.kt
+++ b/app/src/generic/java/org/tasks/analytics/Firebase.kt
@@ -7,5 +7,7 @@ import javax.inject.Inject
 class Firebase @Inject constructor() {
     fun reportException(t: Throwable) = Timber.e(t)
 
+    fun updateRemoteConfig() {}
+
     fun logEvent(event: Int, vararg params: Pair<Int, Any>) {}
 }
\ No newline at end of file
diff --git a/app/src/googleplay/java/org/tasks/analytics/Firebase.kt b/app/src/googleplay/java/org/tasks/analytics/Firebase.kt
index 3a16f0aaa..cbe0481cd 100644
--- a/app/src/googleplay/java/org/tasks/analytics/Firebase.kt
+++ b/app/src/googleplay/java/org/tasks/analytics/Firebase.kt
@@ -5,10 +5,14 @@ import android.os.Bundle
 import androidx.annotation.StringRes
 import com.google.firebase.analytics.FirebaseAnalytics
 import com.google.firebase.crashlytics.FirebaseCrashlytics
+import com.google.firebase.remoteconfig.FirebaseRemoteConfig
+import com.google.firebase.remoteconfig.ktx.remoteConfigSettings
 import dagger.hilt.android.qualifiers.ApplicationContext
 import org.tasks.R
+import org.tasks.jobs.WorkManager
 import org.tasks.preferences.Preferences
 import timber.log.Timber
+import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -20,6 +24,7 @@ class Firebase @Inject constructor(
 
     private var crashlytics: FirebaseCrashlytics? = null
     private var analytics: FirebaseAnalytics? = null
+    private var remoteConfig: FirebaseRemoteConfig? = null
 
     fun reportException(t: Throwable) {
         Timber.e(t)
@@ -35,6 +40,12 @@ class Firebase @Inject constructor(
         )
     }
 
+    fun updateRemoteConfig() {
+        remoteConfig?.fetchAndActivate()?.addOnSuccessListener {
+            Timber.d(it.toString())
+        }
+    }
+
     fun logEvent(@StringRes event: Int, vararg p: Pair<Int, Any>) {
         analytics?.logEvent(context.getString(event), Bundle().apply {
             p.forEach {
@@ -48,6 +59,9 @@ class Firebase @Inject constructor(
         })
     }
 
+    val reviewCooldown: Long
+        get() = remoteConfig?.getLong("review_cooldown") ?: 14L
+
     init {
         if (preferences.isTrackingEnabled) {
             analytics = FirebaseAnalytics.getInstance(context).apply {
@@ -56,6 +70,13 @@ class Firebase @Inject constructor(
             crashlytics = FirebaseCrashlytics.getInstance().apply {
                 setCrashlyticsCollectionEnabled(true)
             }
+            remoteConfig = FirebaseRemoteConfig.getInstance().apply {
+                setConfigSettingsAsync(remoteConfigSettings {
+                    minimumFetchIntervalInSeconds =
+                            TimeUnit.HOURS.toSeconds(WorkManager.REMOTE_CONFIG_INTERVAL_HOURS)
+                })
+                setDefaultsAsync(R.xml.remote_config_defaults)
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/app/src/googleplay/java/org/tasks/play/PlayServices.kt b/app/src/googleplay/java/org/tasks/play/PlayServices.kt
index 6f5680479..d775015c2 100644
--- a/app/src/googleplay/java/org/tasks/play/PlayServices.kt
+++ b/app/src/googleplay/java/org/tasks/play/PlayServices.kt
@@ -9,6 +9,7 @@ import com.google.android.play.core.ktx.requestReview
 import com.google.android.play.core.review.ReviewManagerFactory
 import com.todoroo.andlib.utility.DateUtilities.now
 import dagger.hilt.android.qualifiers.ApplicationContext
+import org.tasks.analytics.Firebase
 import org.tasks.preferences.Preferences
 import org.tasks.time.DateTimeUtils.printTimestamp
 import timber.log.Timber
@@ -18,16 +19,22 @@ import javax.inject.Inject
 class PlayServices @Inject constructor(
     @ApplicationContext private val context: Context,
     private val preferences: Preferences,
+    private val firebase: Firebase,
 ) {
     fun isAvailable() =
         getInstance().isGooglePlayServicesAvailable(context) == ConnectionResult.SUCCESS
 
     suspend fun requestReview(activity: Activity) {
         val now = now()
-        val installCutoff = preferences.installDate + INSTALL_COOLDOWN
         val reviewCutoff = preferences.lastReviewRequest + REVIEW_COOLDOWN
+        if (reviewCutoff > now) {
+            Timber.d("review cooldown: ${printTimestamp(reviewCutoff)}")
+            return
+        }
+        val installCutoff =
+            preferences.installDate + TimeUnit.DAYS.toMillis(firebase.reviewCooldown)
         if (installCutoff > now || reviewCutoff > now) {
-            Timber.d("wait for review request: install=${printTimestamp(installCutoff)} review=${printTimestamp(reviewCutoff)}")
+            Timber.d("install cooldown: ${printTimestamp(installCutoff)}")
             return
         }
         try {
@@ -42,7 +49,6 @@ class PlayServices @Inject constructor(
     }
 
     companion object {
-        private val INSTALL_COOLDOWN = TimeUnit.DAYS.toMillis(14)
         private val REVIEW_COOLDOWN = TimeUnit.DAYS.toMillis(30)
     }
 }
\ No newline at end of file
diff --git a/app/src/googleplay/res/xml/remote_config_defaults.xml b/app/src/googleplay/res/xml/remote_config_defaults.xml
new file mode 100644
index 000000000..775081335
--- /dev/null
+++ b/app/src/googleplay/res/xml/remote_config_defaults.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<defaultsMap xmlns:tools="http://schemas.android.com/tools"
+  tools:ignore="MissingDefaultResource">
+    <entry>
+        <key>review_cooldown</key>
+        <value>14</value>
+    </entry>
+</defaultsMap>
diff --git a/app/src/main/java/org/tasks/Tasks.kt b/app/src/main/java/org/tasks/Tasks.kt
index f7d334e2b..3ce8bd45d 100644
--- a/app/src/main/java/org/tasks/Tasks.kt
+++ b/app/src/main/java/org/tasks/Tasks.kt
@@ -82,6 +82,7 @@ class Tasks : Application(), Configuration.Provider {
             updateBackgroundSync()
             scheduleMidnightRefresh()
             scheduleBackup()
+            scheduleConfigRefresh()
             OpenTaskContentObserver.registerObserver(context, contentObserver.get())
             updatePurchases()
         }
diff --git a/app/src/main/java/org/tasks/jobs/RemoteConfigWork.kt b/app/src/main/java/org/tasks/jobs/RemoteConfigWork.kt
new file mode 100644
index 000000000..02827e905
--- /dev/null
+++ b/app/src/main/java/org/tasks/jobs/RemoteConfigWork.kt
@@ -0,0 +1,21 @@
+package org.tasks.jobs
+
+import android.content.Context
+import androidx.hilt.work.HiltWorker
+import androidx.work.WorkerParameters
+import dagger.assisted.Assisted
+import dagger.assisted.AssistedInject
+import org.tasks.analytics.Firebase
+import org.tasks.injection.BaseWorker
+
+@HiltWorker
+class RemoteConfigWork @AssistedInject constructor(
+        @Assisted context: Context,
+        @Assisted workerParams: WorkerParameters,
+        firebase: Firebase) : BaseWorker(context, workerParams, firebase) {
+
+    override suspend fun run(): Result {
+        firebase.updateRemoteConfig()
+        return Result.success()
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/tasks/jobs/WorkManager.kt b/app/src/main/java/org/tasks/jobs/WorkManager.kt
index 7d1a47c94..4dee4dd79 100644
--- a/app/src/main/java/org/tasks/jobs/WorkManager.kt
+++ b/app/src/main/java/org/tasks/jobs/WorkManager.kt
@@ -2,6 +2,7 @@ package org.tasks.jobs
 
 import android.net.Uri
 import com.todoroo.astrid.data.Task
+import org.tasks.BuildConfig
 import org.tasks.data.CaldavAccount
 import org.tasks.data.Place
 
@@ -35,6 +36,8 @@ interface WorkManager {
 
     fun scheduleBackup()
 
+    fun scheduleConfigRefresh()
+
     fun scheduleDriveUpload(uri: Uri, purge: Boolean)
 
     fun cancelNotifications()
@@ -42,6 +45,7 @@ interface WorkManager {
     fun updatePurchases()
 
     companion object {
+        val REMOTE_CONFIG_INTERVAL_HOURS = if (BuildConfig.DEBUG) 1 else 12.toLong()
         const val MAX_CLEANUP_LENGTH = 500
         const val TAG_BACKUP = "tag_backup"
         const val TAG_REFRESH = "tag_refresh"
@@ -54,6 +58,7 @@ interface WorkManager {
         const val TAG_BACKGROUND_SYNC_CALDAV = "tag_background_sync_caldav"
         const val TAG_BACKGROUND_SYNC_ETEBASE = "tag_background_sync_etebase"
         const val TAG_BACKGROUND_SYNC_OPENTASKS = "tag_background_sync_opentasks"
+        const val TAG_REMOTE_CONFIG = "tag_remote_config"
         const val TAG_MIGRATE_LOCAL = "tag_migrate_local"
         const val TAG_UPDATE_PURCHASES = "tag_update_purchases"
     }
diff --git a/app/src/main/java/org/tasks/jobs/WorkManagerImpl.kt b/app/src/main/java/org/tasks/jobs/WorkManagerImpl.kt
index 3f686cebe..6f0e50c40 100644
--- a/app/src/main/java/org/tasks/jobs/WorkManagerImpl.kt
+++ b/app/src/main/java/org/tasks/jobs/WorkManagerImpl.kt
@@ -39,6 +39,7 @@ import org.tasks.jobs.MigrateLocalWork.Companion.EXTRA_ACCOUNT
 import org.tasks.jobs.SyncWork.Companion.EXTRA_BACKGROUND
 import org.tasks.jobs.SyncWork.Companion.EXTRA_IMMEDIATE
 import org.tasks.jobs.WorkManager.Companion.MAX_CLEANUP_LENGTH
+import org.tasks.jobs.WorkManager.Companion.REMOTE_CONFIG_INTERVAL_HOURS
 import org.tasks.jobs.WorkManager.Companion.TAG_BACKGROUND_SYNC_CALDAV
 import org.tasks.jobs.WorkManager.Companion.TAG_BACKGROUND_SYNC_ETEBASE
 import org.tasks.jobs.WorkManager.Companion.TAG_BACKGROUND_SYNC_GOOGLE_TASKS
@@ -47,6 +48,7 @@ import org.tasks.jobs.WorkManager.Companion.TAG_BACKUP
 import org.tasks.jobs.WorkManager.Companion.TAG_MIDNIGHT_REFRESH
 import org.tasks.jobs.WorkManager.Companion.TAG_MIGRATE_LOCAL
 import org.tasks.jobs.WorkManager.Companion.TAG_REFRESH
+import org.tasks.jobs.WorkManager.Companion.TAG_REMOTE_CONFIG
 import org.tasks.jobs.WorkManager.Companion.TAG_SYNC_CALDAV
 import org.tasks.jobs.WorkManager.Companion.TAG_SYNC_ETEBASE
 import org.tasks.jobs.WorkManager.Companion.TAG_SYNC_GOOGLE_TASKS
@@ -225,6 +227,18 @@ class WorkManagerImpl constructor(
                             .millis
                             .coerceAtMost(midnight()))
 
+    override fun scheduleConfigRefresh() {
+        throttle.run {
+            workManager.enqueueUniquePeriodicWork(
+                    TAG_REMOTE_CONFIG,
+                    ExistingPeriodicWorkPolicy.KEEP,
+                    PeriodicWorkRequest.Builder(
+                            RemoteConfigWork::class.java, REMOTE_CONFIG_INTERVAL_HOURS, TimeUnit.HOURS)
+                            .setConstraints(networkConstraints)
+                            .build())
+        }
+    }
+
     override fun scheduleDriveUpload(uri: Uri, purge: Boolean) {
         if (!preferences.getBoolean(R.string.p_google_drive_backup, false)) {
             return
diff --git a/app/src/main/res/values/keys.xml b/app/src/main/res/values/keys.xml
index e19199c0c..2e883813d 100644
--- a/app/src/main/res/values/keys.xml
+++ b/app/src/main/res/values/keys.xml
@@ -424,7 +424,6 @@
   <string name="event_whats_new">whats_new</string>
   <string name="param_whats_new_display_rate">display_rate</string>
   <string name="param_whats_new_display_subscribe">display_subscribe</string>
-  <string name="param_user_no_churn">user_no_churn</string>
   <string name="param_user_pro">user_pro</string>
   <string name="param_click">click</string>
   <string name="event_purchase_result">billing_flow_result</string>
diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index b5a92d407..66caeb60e 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -8,6 +8,7 @@ object Versions {
     const val room = "2.4.2"
     const val crashlytics = "18.2.8"
     const val analytics = "20.1.0"
+    const val remote_config = "21.0.1"
     const val okhttp = "4.9.3"
     const val flipper = "0.136.0"
     const val mockito = "3.9.0"
diff --git a/deps_googleplay.txt b/deps_googleplay.txt
index 1768a5c76..5b06fdcaf 100644
--- a/deps_googleplay.txt
+++ b/deps_googleplay.txt
@@ -201,6 +201,31 @@
 +|         +--- com.google.android.gms:play-services-basement:18.0.0 (*)
 +|         +--- com.google.android.gms:play-services-measurement-base:20.1.0 (*)
 +|         \--- com.google.android.gms:play-services-measurement-impl:20.1.0 (*)
+++--- com.google.firebase:firebase-config-ktx:21.0.1
++|    +--- androidx.annotation:annotation:1.1.0 -> 1.3.0
++|    +--- com.google.firebase:firebase-abt:21.0.0
++|    |    +--- com.google.android.gms:play-services-basement:17.0.0 -> 18.0.0 (*)
++|    |    +--- com.google.firebase:firebase-common:20.0.0 (*)
++|    |    +--- com.google.firebase:firebase-components:17.0.0 (*)
++|    |    \--- com.google.firebase:firebase-measurement-connector:18.0.0 -> 19.0.0 (*)
++|    +--- com.google.firebase:firebase-common:20.0.0 (*)
++|    +--- com.google.firebase:firebase-common-ktx:20.0.0
++|    |    +--- androidx.annotation:annotation:1.1.0 -> 1.3.0
++|    |    +--- com.google.firebase:firebase-common:20.0.0 (*)
++|    |    +--- com.google.firebase:firebase-components:17.0.0 (*)
++|    |    \--- org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.72 -> 1.6.10 (*)
++|    +--- com.google.firebase:firebase-components:17.0.0 (*)
++|    +--- com.google.firebase:firebase-config:21.0.1
++|    |    +--- com.google.android.gms:play-services-tasks:17.0.2 -> 18.0.1 (*)
++|    |    +--- com.google.firebase:firebase-abt:21.0.0 (*)
++|    |    +--- com.google.firebase:firebase-common:20.0.0 (*)
++|    |    +--- com.google.firebase:firebase-components:17.0.0 (*)
++|    |    +--- com.google.firebase:firebase-installations:17.0.0 (*)
++|    |    +--- com.google.firebase:firebase-installations-interop:17.0.0 (*)
++|    |    \--- com.google.firebase:firebase-measurement-connector:18.0.0 -> 19.0.0 (*)
++|    +--- com.google.firebase:firebase-installations:17.0.0 (*)
++|    +--- com.google.firebase:firebase-installations-interop:17.0.0 (*)
++|    \--- org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.72 -> 1.6.10 (*)
 ++--- com.google.android.gms:play-services-location:19.0.1
 +|    +--- com.google.android.gms:play-services-base:18.0.1
 +|    |    +--- androidx.collection:collection:1.0.0 -> 1.1.0 (*)